SMTL ID : 2jg8.2 (1 other biounit)

Crystallographic structure of human C1q globular heads complexed to phosphatidyl-serine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.05 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x SEP: PHOSPHOSERINE(Non-functional Binders)

SEP.1: 3 residues within 4Å: Chain A: Q.71, V.72, R.73 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.71, A:V.72

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 4 residues within 4Å: Chain A: Q.88 Chain B: D.82, Y.83, Q.89 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.82, B:Y.83, H2O.6

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Paidassi, H. et al., C1Q Binds Phosphatidylserine and Likely Acts as a Multiligand-Bridging Molecule in Apoptotic Cell Recognition. J.Immunol. (2008)

Release Date

2008-02-19

Peptides

Complement C1q subcomponent subunit A: A
Complement C1q subcomponent subunit B: B
Complement C1q subcomponent subunit C: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

C
F

Complement C1q subcomponent subunit A

Complement C1q subcomponent subunit B

Complement C1q subcomponent subunit C

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