SMTL ID : 1tm5.2 (1 other biounit)

crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 M59A mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.45 Å

Oligo State

hetero-2-2-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: Q.2, D.41, L.75, N.77, I.79, V.81 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.41, A:L.75, A:I.79, A:V.81 CA.9: 6 residues within 4Å: Chain C: Q.2, D.41, L.75, N.77, I.79, V.81 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:D.41, C:L.75, C:I.79, C:V.81

2 x NA: SODIUM ION(Non-functional Binders)

NA.2: 5 residues within 4Å: Chain A: G.169, K.170, Y.171, P.172, V.174 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:V.174, A:V.174, A:A.176 NA.10: 5 residues within 4Å: Chain C: G.169, K.170, Y.171, P.172, V.174 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:Y.171, C:V.174, C:A.176

6 x CIT: CITRIC ACID(Non-functional Binders)

CIT.3: 4 residues within 4Å: Chain A: H.238, W.241, H.276 Ligands: CIT.4 4 PLIP interactions: 4 interactions with chain A Water bridges: A:H.238, A:N.240 Salt bridges: A:H.238, A:H.276 CIT.4: 4 residues within 4Å: Chain A: W.241, Q.245, H.276 Ligands: CIT.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Q.245 Hydrogen bonds: A:Q.245 Water bridges: A:Q.245, A:Q.245 CIT.5: 2 residues within 4Å: Chain A: G.211, K.213 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:N.212 Water bridges: A:S.38, A:G.211, A:K.213, A:K.213, A:K.213, A:K.213, A:K.213 Salt bridges: A:K.213 CIT.11: 4 residues within 4Å: Chain C: H.238, W.241, H.276 Ligands: CIT.12 4 PLIP interactions: 4 interactions with chain C Water bridges: C:H.238, C:N.240 Salt bridges: C:H.238, C:H.276 CIT.12: 4 residues within 4Å: Chain C: W.241, Q.245, H.276 Ligands: CIT.11 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:Q.245 Hydrogen bonds: C:Q.245 Water bridges: C:Q.245, C:Q.245 CIT.13: 2 residues within 4Å: Chain C: G.211, K.213 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:N.212 Water bridges: C:S.38, C:G.211, C:K.213, C:K.213, C:K.213, C:K.213, C:K.213 Salt bridges: C:K.213

6 x 1PE: PENTAETHYLENE GLYCOL(Non-functional Binders)

1PE.6: 7 residues within 4Å: Chain A: H.17, T.22, S.24, N.76, S.87 Chain C: N.76 Ligands: 1PE.14 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain C Hydrogen bonds: A:N.76, C:N.76 Water bridges: A:S.24, A:S.24, A:S.87 1PE.7: 7 residues within 4Å: Chain A: I.115, N.118, M.119, D.120, S.145, G.146, V.147 No protein-ligand interaction detected (PLIP) 1PE.8: 6 residues within 4Å: Chain A: S.37, V.44, A.45, G.46, G.47, F.58 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.37 1PE.14: 7 residues within 4Å: Chain A: N.76 Chain C: H.17, T.22, S.24, N.76, S.87 Ligands: 1PE.6 5 PLIP interactions: 4 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:N.76, A:N.76 Water bridges: C:S.24, C:S.24, C:S.87 1PE.15: 7 residues within 4Å: Chain C: I.115, N.118, M.119, D.120, S.145, G.146, V.147 No protein-ligand interaction detected (PLIP) 1PE.16: 6 residues within 4Å: Chain C: S.37, V.44, A.45, G.46, G.47, F.58 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:S.37

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Radisky, E.S. et al., Binding, Proteolytic, and Crystallographic Analyses of Mutations at the Protease-Inhibitor Interface of the Subtilisin BPN'/Chymotrypsin Inhibitor 2 Complex(,). Biochemistry (2004)

Release Date

2004-11-09

Peptides

Subtilisin BPN': AC
chymotrypsin inhibitor 2: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

C
E

B
I

D
I

Subtilisin BPN'

chymotrypsin inhibitor 2

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