SMTL ID : 5hzp.1

Structure of human C4b-binding protein alpha chain CCP domains 1 and 2 in complex with the hypervariable region of group A Streptococcus M49 protein.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.74 Å

Oligo State

hetero-2-2-mer

Ligands

5 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 1 residues within 4Å: Chain A: H.63 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:H.63 PO4.2: 2 residues within 4Å: Chain A: H.80, K.84 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.80, A:K.84 PO4.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) PO4.4: 4 residues within 4Å: Chain C: H.45, S.46, T.47, N.61 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:S.46, C:T.47, C:N.61 Salt bridges: C:H.45 PO4.5: 3 residues within 4Å: Chain D: H.45, S.46, N.61 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:S.46, D:T.47 Water bridges: D:S.46, D:S.46 Salt bridges: D:H.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Buffalo, C.Z. et al., Conserved patterns hidden within group A Streptococcus M protein hypervariability recognize human C4b-binding protein. Nat Microbiol (2016)

Release Date

2016-07-20

Peptides

M protein, serotype 49: AB
C4b-binding protein alpha chain: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
A

C
B

D
D

M protein, serotype 49

C4b-binding protein alpha chain