nucleotide-excision repair, DNA damage recognition complex +
NVT complex
origin recognition complex +
outer dynein arm docking complex
outer kinetochore +
Par3-APC-KIF3A complex
paraferritin complex
PCSK9-AnxA2 complex
PCSK9-LDLR complex
peptidase inhibitor complex +
PET complex +
piccolo histone acetyltransferase complex +
pituitary gonadotropin complex +
polarisome +
polkadots
polycystin complex
prefoldin complex
procentriole replication complex
proteasome accessory complex +
proteasome activator complex
proteasome core complex, alpha-subunit complex +
proteasome core complex, beta-subunit complex +
proteasome regulatory particle +
proteasome regulatory particle, base subcomplex +
proteasome regulatory particle, lid subcomplex +
proteasome-activating nucleotidase complex
protein complex involved in cell adhesion +
protein phosphatase inhibitor complex
protein-carbohydrate complex +
protein-DNA complex +
protein-DNA-RNA complex +
protein-lipid complex +
protein-lipid-RNA complex +
Prp19 complex
PTEX complex
PYM-mago-Y14 complex
pyroptosome complex
R2TP complex
Rad17 RFC-like complex
radial spoke +
radial spoke base +
radial spoke head +
radial spoke neck
radial spoke stalk
raps-insc complex
Ras guanyl-nucleotide exchange factor complex
RasGAP-Fyn-Lyn-Yes complex
RAVE complex
receptor complex +
RecFOR complex
reelin complex
replication inhibiting complex +
respiratory chain complex +
ribonucleoprotein complex +
RNA decapping complex
RPAP3/R2TP/prefoldin-like complex
RQC complex
RQC-trigger complex
Rvs161p-Rvs167p complex
RZZ complex
S100A8 complex
SCAR complex
Scrib-APC complex
Scrib-APC-beta-catenin complex
Seh1-associated complex +
septin complex +
Shu complex
Sid2-Mob1 complex
SIN/MEN signaling complex +
single-stranded DNA-binding protein complex
SKA complex
Ski complex
SLAC complex
Sm-like protein family complex +
SMAD protein complex +
A protein complex that consists of only SMAD proteins; may be homomeric or heteromeric. Heteromeric complexes act as transcription factors while homomeric complexes exist but are transcriptionally inactive. Hetero- versus homotrimerization is largely enthalpy driven.