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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/by/3.0/). For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:creatine
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Accession:CHEBI:16919 term browser browse the term
Definition:A glycine derivative having methyl and amidino groups attached to the nitrogen.
Synonyms:exact_synonym: N-[amino(imino)methyl]-N-methylglycine
 related_synonym: ((amino(imino)methyl)(methyl)amino)acetic acid;   (N-methylcarbamimidamido)acetic acid;   (alpha-methylguanido)acetic acid;   Creatin;   Formula=C4H9N3O2;   InChI=1S/C4H9N3O2/c1-7(4(5)6)2-3(8)9/h2H2,1H3,(H3,5,6)(H,8,9);   InChIKey=CVSVTCORWBXHQV-UHFFFAOYSA-N;   Kreatin;   Methylglycocyamine;   N-(aminoiminomethyl)-N-methylglycine;   N-[(E)-AMINO(IMINO)METHYL]-N-METHYLGLYCINE;   N-amidinosarcosine;   N-carbamimidoyl-N-methylglycine;   N-methyl-N-guanylglycine;   SMILES=CN(CC(O)=O)C(N)=N;   alpha-Methylguanidino acetic acid
 alt_id: CHEBI:14028;   CHEBI:23404;   CHEBI:3909;   CHEBI:41678
 xref: CAS:57-00-1;   Chemspider:566;   DrugBank:DB00148;   Drug_Central:4661;   Gmelin:240513;   HMDB:HMDB0000064;   KEGG:C00300
 xref_mesh: MESH:D003401
 xref: MetaCyc:CREATINE;   PDBeChem:CRN;   PMID:11356982;   PMID:11483809;   PMID:11867929;   PMID:12085493;   PMID:12184144;   PMID:12878267;   PMID:16445883;   PMID:17190852;   PMID:17253521;   PMID:17416441;   PMID:18555535;   PMID:19082141;   PMID:19651674;   PMID:19741514;   PMID:19968328;   PMID:21556832;   PMID:21660517;   PMID:21698493;   PMID:22038587;   PMID:22101931;   PMID:22196490;   PMID:22252611;   PMID:22347384;   PMID:22386973;   PMID:22422801;   PMID:22429992;   PMID:22465051;   PMID:22521466;   PMID:7752905;   Reaxys:907175;   Wikipedia:Creatine
 cyclic_relationship: is_conjugate_acid_of CHEBI:66924;   is_tautomer_of CHEBI:57947



show annotations for term's descendants           Sort by:
creatine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Abcc9 ATP binding cassette subfamily C member 9 multiple interactions ISO Creatine metabolite inhibits the reaction [Adenosine Monophosphate inhibits the reaction [Adenosine Triphosphate results in decreased activity of [KCNJ11 protein binds to ABCC9 protein]]] CTD PMID:11390963 NCBI chr 4:175,531,854...175,655,849
Ensembl chr 4:175,532,547...175,655,356
JBrowse link
G App amyloid beta precursor protein increases secretion ISO Creatine analog results in increased secretion of APP protein modified form CTD PMID:22906069 NCBI chr11:24,019,774...24,236,584
Ensembl chr11:24,019,778...24,236,561
JBrowse link
G Bdnf brain-derived neurotrophic factor multiple interactions
increases expression
ISO Sirolimus inhibits the reaction [Creatine results in increased expression of BDNF protein] CTD PMID:33022268 NCBI chr 3:96,165,042...96,215,621
Ensembl chr 3:96,165,042...96,215,615
JBrowse link
G Casp3 caspase 3 multiple interactions EXP [Creatine co-treated with Ribose] results in decreased activity of CASP3 protein CTD PMID:21220914 NCBI chr16:45,662,910...45,681,171
Ensembl chr16:45,662,910...45,684,648
JBrowse link
G Col2a1 collagen type II alpha 1 chain multiple interactions EXP [COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatine; [geniposide co-treated with phellodendrine co-treated with magnoflorine co-treated with Chlorogenic Acid co-treated with crocin co-treated with Flavonoids co-treated with Berberine Alkaloids] inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatine]; Dexamethasone inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatine]; huang-lien-chieh-tu-tang inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatine] CTD PMID:24709313 NCBI chr 7:129,098,489...129,127,560
Ensembl chr 7:129,098,786...129,127,546
JBrowse link
G Csf3 colony stimulating factor 3 multiple interactions ISO [CSF3 protein co-treated with Paclitaxel] results in decreased abundance of Creatine CTD PMID:9018096 NCBI chr10:83,660,787...83,664,569
Ensembl chr10:83,661,207...83,663,603
JBrowse link
G Dek DEK proto-oncogene increases chemical synthesis ISO DEK protein results in increased chemical synthesis of Creatine CTD PMID:28558019 NCBI chr17:17,580,804...17,602,825
Ensembl chr17:17,580,843...17,602,808
JBrowse link
G Gatm glycine amidinotransferase increases chemical synthesis ISO GATM protein results in increased chemical synthesis of Creatine CTD PMID:16820567 NCBI chr 3:109,658,919...109,675,508
Ensembl chr 3:109,658,951...109,684,129
JBrowse link
G Kcnj11 potassium inwardly-rectifying channel, subfamily J, member 11 multiple interactions ISO Creatine metabolite inhibits the reaction [Adenosine Monophosphate inhibits the reaction [Adenosine Triphosphate results in decreased activity of [KCNJ11 protein binds to ABCC9 protein]]] CTD PMID:11390963 NCBI chr 1:96,591,048...96,594,574
Ensembl chr 1:96,591,049...96,594,082
JBrowse link
G Mtor mechanistic target of rapamycin kinase increases phosphorylation
multiple interactions
ISO Creatine results in increased phosphorylation of MTOR protein
Sirolimus inhibits the reaction [Creatine results in increased phosphorylation of MTOR protein]
CTD PMID:33022268 NCBI chr 5:158,884,856...158,994,311
Ensembl chr 5:158,884,804...158,994,311
JBrowse link
G Ppargc1a PPARG coactivator 1 alpha increases expression ISO Creatine results in increased expression of PPARGC1A mRNA CTD PMID:23056435 NCBI chr14:58,860,752...59,516,525
Ensembl chr14:58,861,144...59,512,656
JBrowse link
G Snca synuclein alpha multiple interactions ISO [coenzyme Q10 co-treated with Creatine] results in decreased expression of SNCA protein CTD PMID:19476553 NCBI chr 4:89,696,420...89,797,240
Ensembl chr 4:89,696,420...89,796,262
JBrowse link
creatinine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Bmal1 basic helix-loop-helix ARNT like 1 increases abundance ISO BMAL1 gene mutant form results in increased abundance of Creatinine CTD PMID:27056296 NCBI chr 1:167,331,756...167,430,235
Ensembl chr 1:167,331,633...167,430,231
JBrowse link
G Col2a1 collagen type II alpha 1 chain multiple interactions EXP [COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatinine; [geniposide co-treated with phellodendrine co-treated with magnoflorine co-treated with Chlorogenic Acid co-treated with crocin co-treated with Flavonoids co-treated with Berberine Alkaloids] inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatinine]; Dexamethasone inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatinine]; huang-lien-chieh-tu-tang inhibits the reaction [[COL2A1 protein co-treated with Freund's Adjuvant] results in increased abundance of Creatinine] CTD PMID:24709313 NCBI chr 7:129,098,489...129,127,560
Ensembl chr 7:129,098,786...129,127,546
JBrowse link
G Idh2 isocitrate dehydrogenase (NADP(+)) 2 multiple interactions
increases abundance
ISO Triazines inhibits the reaction [IDH2 protein mutant form results in increased abundance of Creatinine] CTD PMID:27469509 NCBI chr 1:134,038,644...134,057,969
Ensembl chr 1:134,029,772...134,058,025
JBrowse link
G Lepr leptin receptor affects abundance
multiple interactions
increases abundance
ISO LEPR affects the abundance of Creatinine
Glucagon analog inhibits the reaction [LEPR gene mutant form results in increased abundance of Creatinine]; swietenine inhibits the reaction [LEPR gene mutant form results in increased abundance of Creatinine]
CTD PMID:20567778 PMID:29988851 PMID:36066211 NCBI chr 5:116,294,409...116,477,904
Ensembl chr 5:116,289,823...116,475,908
JBrowse link
G Nfe2l2 NFE2 like bZIP transcription factor 2 multiple interactions ISO [NFE2L2 protein affects the susceptibility to ochratoxin A] which results in increased abundance of Creatinine CTD PMID:28710020 NCBI chr 3:60,594,239...60,621,712
Ensembl chr 3:60,594,242...60,621,737
JBrowse link
G Ptgs1 prostaglandin-endoperoxide synthase 1 multiple interactions EXP [SC 560 results in decreased activity of PTGS1 protein] which results in increased abundance of Creatinine CTD PMID:19629487 NCBI chr 3:19,584,015...19,605,589
Ensembl chr 3:19,584,015...19,605,586
JBrowse link
G Slc47a1 solute carrier family 47 member 1 multiple interactions ISO Creatinine inhibits the reaction [SLC47A1 protein results in increased uptake of 1-Methyl-4-phenylpyridinium] CTD PMID:22419765 NCBI chr10:46,034,115...46,088,617
Ensembl chr10:46,034,122...46,087,637
JBrowse link
G Slc47a2 solute carrier family 47 member 2 multiple interactions ISO Creatinine inhibits the reaction [SLC47A2 protein results in increased uptake of 1-Methyl-4-phenylpyridinium] CTD PMID:22419765 NCBI chr10:45,990,806...46,033,937
Ensembl chr10:45,991,095...46,033,904
JBrowse link
G Sod2 superoxide dismutase 2 decreases abundance ISO SOD2 protein results in decreased abundance of Creatinine CTD PMID:19917352 NCBI chr 1:47,638,318...47,645,163
Ensembl chr 1:47,636,528...47,645,189
JBrowse link
N-phosphocreatine term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Akt1 AKT serine/threonine kinase 1 multiple interactions ISO 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one inhibits the reaction [Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in decreased phosphorylation of AKT1 protein]]; Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in decreased phosphorylation of AKT1 protein] CTD PMID:37648050 NCBI chr 6:131,713,716...131,735,319
Ensembl chr 6:131,713,720...131,733,921
JBrowse link
G Bax BCL2 associated X, apoptosis regulator multiple interactions EXP
ISO
Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of BAX protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in increased expression of BAX protein]; Phosphocreatine inhibits the reaction [Streptozocin results in increased expression of BAX protein]
Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in increased expression of BAX protein]
CTD PMID:34358621 PMID:34455488 PMID:37597758 PMID:37648050 NCBI chr 1:95,940,001...95,945,407
Ensembl chr 1:95,938,808...95,945,368
JBrowse link
G Bbc3 Bcl-2 binding component 3 multiple interactions
decreases expression
EXP Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of BBC3 mRNA]; Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of BBC3 protein]
Phosphocreatine results in decreased expression of BBC3 mRNA; Phosphocreatine results in decreased expression of BBC3 protein
CTD PMID:37597758 NCBI chr 1:77,013,281...77,022,509
Ensembl chr 1:77,014,543...77,022,509
JBrowse link
G Bcl2 BCL2, apoptosis regulator multiple interactions EXP
ISO
Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased expression of BCL2 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased expression of BCL2 protein]
Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in decreased expression of BCL2 protein]
CTD PMID:34455488 PMID:37648050 NCBI chr13:22,689,783...22,853,920
Ensembl chr13:22,684,989...22,853,743
Ensembl chr13:22,684,989...22,853,743
JBrowse link
G Casp3 caspase 3 multiple interactions EXP
ISO
7-oxozeanol inhibits the reaction [Phosphocreatine inhibits the reaction [Doxorubicin results in increased cleavage of CASP3 protein]]; Phosphocreatine inhibits the reaction [Doxorubicin results in increased cleavage of CASP3 protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased expression of CASP3 protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in increased expression of CASP3 protein modified form]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased expression of CASP3 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in increased expression of CASP3 protein modified form]
Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in increased expression of CASP3 protein]
CTD PMID:34358621 PMID:34455488 PMID:37597758 PMID:37648050 NCBI chr16:45,662,910...45,681,171
Ensembl chr16:45,662,910...45,684,648
JBrowse link
G Casp9 caspase 9 multiple interactions EXP
ISO
Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased expression of CASP9 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased expression of CASP9 protein]
Phosphocreatine inhibits the reaction [Hydrogen Peroxide results in increased expression of CASP9 protein]
CTD PMID:34455488 PMID:37648050 NCBI chr 5:154,108,872...154,126,628
Ensembl chr 5:154,109,046...154,126,626
JBrowse link
G Ccn2 cellular communication network factor 2 multiple interactions EXP Phosphocreatine promotes the reaction [Doxorubicin results in decreased expression of CTGF mRNA] CTD PMID:37597758 NCBI chr 1:20,802,199...20,805,315
Ensembl chr 1:20,802,199...20,805,734
JBrowse link
G Ctnnd1 catenin delta 1 multiple interactions EXP Phosphocreatine promotes the reaction [Doxorubicin results in decreased expression of CTNND1 mRNA] CTD PMID:37597758 NCBI chr 3:69,683,328...69,734,550
Ensembl chr 3:69,683,313...69,734,516
JBrowse link
G Cycs cytochrome c, somatic multiple interactions EXP Phosphocreatine inhibits the reaction [Pyruvaldehyde results in increased expression of CYCS protein]; Phosphocreatine inhibits the reaction [Streptozocin results in increased expression of CYCS protein] CTD PMID:34455488 NCBI chr 4:79,651,894...79,653,994
Ensembl chr 4:79,651,378...79,654,054
Ensembl chr18:79,651,378...79,654,054
JBrowse link
G Foxo3 forkhead box O3 multiple interactions EXP Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of FOXO3 protein] CTD PMID:34358621 NCBI chr20:45,669,708...45,764,606
Ensembl chr20:45,672,995...45,764,561
JBrowse link
G Gsk3b glycogen synthase kinase 3 beta multiple interactions EXP Phosphocreatine inhibits the reaction [2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one results in decreased phosphorylation of GSK3B protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased phosphorylation of GSK3B protein]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased phosphorylation of GSK3B protein] CTD PMID:34455488 NCBI chr11:62,498,997...62,648,665
Ensembl chr11:62,504,316...62,648,646
JBrowse link
G Igf1r insulin-like growth factor 1 receptor multiple interactions EXP Phosphocreatine promotes the reaction [Doxorubicin results in decreased expression of IGF1R mRNA] CTD PMID:37597758 NCBI chr 1:121,549,831...121,838,548
Ensembl chr 1:121,550,743...121,831,777
JBrowse link
G Ins1 insulin 1 multiple interactions EXP Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased secretion of INS1 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased secretion of INS1 protein] CTD PMID:34455488 NCBI chr 1:251,244,973...251,245,540
Ensembl chr 1:251,244,973...251,245,536
JBrowse link
G Irs1 insulin receptor substrate 1 multiple interactions EXP Phosphocreatine inhibits the reaction [2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one results in decreased phosphorylation of IRS1 protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in decreased phosphorylation of IRS1 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in decreased phosphorylation of IRS1 protein] CTD PMID:34455488 NCBI chr 9:83,552,964...83,605,797
Ensembl chr 9:83,548,944...83,606,122
JBrowse link
G Lpl lipoprotein lipase multiple interactions EXP Phosphocreatine inhibits the reaction [Dietary Fats results in decreased activity of LPL protein] CTD PMID:37648050 NCBI chr16:20,830,055...20,853,855
Ensembl chr16:20,829,465...20,855,249
JBrowse link
G Map3k7 mitogen activated protein kinase kinase kinase 7 multiple interactions EXP 7-oxozeanol inhibits the reaction [Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of MAP3K7 protein]]; Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of MAP3K7 protein]; Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of MAP3K7 protein] CTD PMID:34358621 NCBI chr 5:46,356,973...46,415,597
Ensembl chr 5:46,357,931...46,415,597
JBrowse link
G Mapk7 mitogen-activated protein kinase 7 decreases expression
multiple interactions
EXP Phosphocreatine results in decreased expression of MAPK7 mRNA
Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of MAPK7 mRNA]
CTD PMID:37597758 NCBI chr10:46,170,264...46,176,262
Ensembl chr10:46,170,167...46,176,267
JBrowse link
G Mapt microtubule-associated protein tau decreases abundance
multiple interactions
ISO MAPT protein mutant form results in decreased abundance of Phosphocreatine
PF-06840003 inhibits the reaction [MAPT protein mutant form results in decreased abundance of Phosphocreatine]
CTD PMID:39172838 NCBI chr10:89,138,644...89,236,137
Ensembl chr10:89,138,627...89,236,129
JBrowse link
G Mir143 microRNA 143 multiple interactions
increases expression
EXP Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of MIR143 mRNA]
Phosphocreatine results in increased expression of MIR143 mRNA
CTD PMID:37597758 NCBI chr18:55,101,006...55,101,110
Ensembl chr18:55,101,006...55,101,110
JBrowse link
G Nfe2l2 NFE2 like bZIP transcription factor 2 multiple interactions EXP Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of NFE2L2 protein] CTD PMID:34358621 PMID:37597758 NCBI chr 3:60,594,239...60,621,712
Ensembl chr 3:60,594,242...60,621,737
JBrowse link
G Pdgfra platelet derived growth factor receptor alpha decreases expression
multiple interactions
EXP Phosphocreatine results in decreased expression of PDGFRA mRNA
Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of PDGFRA mRNA]
CTD PMID:37597758 NCBI chr14:33,005,838...33,054,347
Ensembl chr14:33,005,839...33,054,335
JBrowse link
G Ppid peptidylprolyl isomerase D multiple interactions EXP Phosphocreatine inhibits the reaction [2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one results in increased expression of PPID protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in increased expression of PPID protein]; Phosphocreatine inhibits the reaction [Streptozocin results in increased expression of PPID protein] CTD PMID:34455488 NCBI chr 2:164,727,803...164,740,168
Ensembl chr 2:164,727,779...164,740,221
JBrowse link
G Ptgs2 prostaglandin-endoperoxide synthase 2 multiple interactions
decreases expression
EXP Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of PTGS2 mRNA]
Phosphocreatine results in decreased expression of PTGS2 mRNA
CTD PMID:37597758 NCBI chr13:62,163,936...62,172,193
Ensembl chr13:62,163,932...62,172,188
JBrowse link
G Ripk3 receptor-interacting serine-threonine kinase 3 multiple interactions EXP Phosphocreatine inhibits the reaction [Doxorubicin results in increased expression of RIPK3 protein] CTD PMID:34358621 NCBI chr15:29,283,153...29,292,107
Ensembl chr15:29,283,145...29,292,121
JBrowse link
G Sod2 superoxide dismutase 2 multiple interactions EXP Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of SOD2 protein] CTD PMID:37597758 NCBI chr 1:47,638,318...47,645,163
Ensembl chr 1:47,636,528...47,645,189
JBrowse link
G Sod3 superoxide dismutase 3 multiple interactions EXP Phosphocreatine inhibits the reaction [Doxorubicin results in decreased expression of SOD3 protein] CTD PMID:34358621 NCBI chr14:58,610,104...58,615,845
Ensembl chr14:58,609,958...58,615,990
JBrowse link
G Stat3 signal transducer and activator of transcription 3 increases response to substance
multiple interactions
EXP STAT3 protein results in increased susceptibility to Phosphocreatine
Phosphocreatine inhibits the reaction [2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one results in increased phosphorylation of STAT3 protein]; Phosphocreatine inhibits the reaction [Pyruvaldehyde results in increased phosphorylation of STAT3 protein]; Phosphocreatine inhibits the reaction [Streptozocin results in increased phosphorylation of STAT3 protein]
CTD PMID:34455488 NCBI chr10:85,811,206...85,863,057
Ensembl chr10:85,811,218...85,863,057
JBrowse link

Term paths to the root
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Term Annotations click to browse term
  CHEBI ontology 19890
    role 19839
      application 19703
        pharmaceutical 19518
          drug 19538
            nutraceutical 13370
              creatine 44
                N-phosphocreatine 27
                creatinine 9
Path 2
Term Annotations click to browse term
  CHEBI ontology 19890
    subatomic particle 19867
      composite particle 19888
        hadron 19888
          baryon 19888
            nucleon 19867
              atomic nucleus 19888
                atom 19888
                  main group element atom 19806
                    main group molecular entity 19806
                      s-block molecular entity 19641
                        hydrogen molecular entity 19622
                          hydrides 19150
                            inorganic hydride 18152
                              pnictogen hydride 18164
                                nitrogen hydride 18055
                                  azane 17882
                                    ammonia 17860
                                      organic amino compound 17860
                                        amino acid 16056
                                          alpha-amino acid 13931
                                            serine family amino acid 5748
                                              glycine 3325
                                                glycine derivative 3319
                                                  creatine 44
                                                    N-phosphocreatine 27
                                                    creatinine 9
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