SMTL ID : 7tho.2 (1 other biounit)

Integrin alaphIIBbeta3 complex with Eptifibatide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.75 Å

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x MPT- HRG- GLY- ASP- TRP- PRO- CYS- NH2: Eptifibatide(Non-covalent)

MPT-HRG-GLY-ASP-TRP-PRO-CYS-NH2.1: 15 residues within 4Å: Chain A: D.159, F.160, Y.189, Y.190, D.224, S.225 Chain B: S.121, Y.122, S.123, R.214, N.215, R.216, A.218, E.220 Ligands: MG.10 13 PLIP interactions: 8 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:Y.122, B:S.123, B:N.215, B:N.215, B:R.216, B:A.218, A:Y.189 Water bridges: B:S.123, B:S.123, A:W.162 Hydrophobic interactions: A:F.160, A:F.160 Salt bridges: A:D.224

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.2: 4 residues within 4Å: Chain A: M.285 Chain B: N.316, L.317, N.320 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.3: 6 residues within 4Å: Chain B: S.369, N.371, S.398, I.399, E.400 Ligands: NAG.13 No protein-ligand interaction detected (PLIP)

6 x CA: CALCIUM ION(Non-covalent)

CA.4: 6 residues within 4Å: Chain A: E.243, D.245, D.247, T.250, T.251, E.252 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.243, A:D.245, A:D.247, A:T.250, A:E.252 CA.5: 5 residues within 4Å: Chain A: D.297, N.299, D.301, R.303, D.305 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.297, A:D.301, A:R.303, A:D.305, A:D.305 CA.6: 6 residues within 4Å: Chain A: D.365, L.366, D.367, D.369, Y.371, D.373 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.365, A:D.367, A:D.369, A:Y.371, A:D.373 CA.7: 5 residues within 4Å: Chain A: D.426, D.428, N.430, Y.432, D.434 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.426, A:D.428, A:Y.432, A:D.434, H2O.1 CA.11: 5 residues within 4Å: Chain B: S.123, D.126, D.127, D.251, M.335 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.127, B:M.335 CA.12: 5 residues within 4Å: Chain B: D.158, N.215, D.217, P.219, E.220 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.158, B:D.217, B:D.217, B:P.219, B:E.220

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.8: 4 residues within 4Å: Chain A: A.89, R.90, H.112, K.124 4 PLIP interactions: 4 interactions with chain A Water bridges: A:A.89, A:H.112 Salt bridges: A:H.112, A:K.124 SO4.9: 2 residues within 4Å: Chain A: R.279, R.281 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.279, A:R.281

1 x MG: MAGNESIUM ION(Non-covalent)

MG.10: 4 residues within 4Å: Chain B: S.121, S.123, E.220 Ligands: MPT-HRG-GLY-ASP-TRP-PRO-CYS-NH2.1 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:S.121, B:S.123, B:E.220, H2O.5, H2O.5

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.13: 4 residues within 4Å: Chain B: K.98, N.99, F.100 Ligands: NAG-NAG.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lin, F.Y. et al., A general chemical principle for creating closure-stabilizing integrin inhibitors. Cell (2022)

Release Date

2022-08-17

Peptides

Integrin alpha-IIb: A
Integrin beta-3: B
Fab heavy chain: C
Fab light chain: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
E

D
F

Integrin alpha-IIb

Integrin beta-3

Fab heavy chain

Fab light chain

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