SMTL ID : 1i8l.1 (1 other biounit)

HUMAN B7-1/CTLA-4 CO-STIMULATORY COMPLEX

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-1-1-mer

Ligands

9 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)(Non-functional Binders)

NAG.1: 2 residues within 4Å: Chain A: N.19, N.64 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.19, A:N.64 NAG.2: 1 residues within 4Å: Chain A: N.55 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.55 NAG.3: 4 residues within 4Å: Chain A: I.151, N.152, K.169 Ligands: NAG.4 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.151 Hydrogen bonds: A:N.152, A:K.169 NAG.4: 2 residues within 4Å: Ligands: NAG.3, MAN.5 No protein-ligand interaction detected (PLIP) NAG.6: 4 residues within 4Å: Chain A: S.121, N.122, N.173, T.175 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:S.121, A:N.122 Hydrogen bonds: A:N.173 NAG.7: 5 residues within 4Å: Chain A: M.181, L.183, R.190, N.192 Ligands: NAG.8 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.190, A:N.192 NAG.8: 1 residues within 4Å: Ligands: NAG.7 No protein-ligand interaction detected (PLIP) NAG.9: 2 residues within 4Å: Chain B: V.22, N.78 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.22 Hydrogen bonds: B:S.20, B:N.78, B:T.80 NAG.10: 2 residues within 4Å: Chain B: H.4, N.110 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.110

1 x MAN: alpha-D-mannopyranose(Non-functional Binders)

MAN.5: 1 residues within 4Å: Ligands: NAG.4 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Stamper, C.C. et al., Crystal structure of the B7-1/CTLA-4 complex that inhibits human immune responses. Nature (2001)

Release Date

2001-04-04

Peptides

T LYMPHOCYTE ACTIVATION ANTIGEN CD80: A
CYTOTOXIC T-LYMPHOCYTE PROTEIN 4: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

T LYMPHOCYTE ACTIVATION ANTIGEN CD80

CYTOTOXIC T-LYMPHOCYTE PROTEIN 4

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