SMTL ID : 1ghb.1 (2 other biounits)

A SECOND ACTIVE SITE IN CHYMOTRYPSIN? THE X-RAY CRYSTAL STRUCTURE OF N-ACETYL-D-TRYPTOPHAN BOUND TO GAMMA-CHYMOTRYPSIN

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-2-2-2-mer

Ligands

2 x PRO- GLY- ALA: PRO-GLY-ALA(Non-covalent)

PRO-GLY-ALA.1: 11 residues within 4Å: Chain B: H.42, I.84 Chain C: S.47, S.66, W.67, G.68 Chain E: L.82, T.83, I.84 Ligands: TRP.3, IPA.10 6 PLIP interactions: 2 interactions with chain B, 3 interactions with chain C, 1 interactions with chain E Hydrophobic interactions: B:I.84, C:W.67, E:I.84 Salt bridges: B:H.42 Hydrogen bonds: C:S.47, C:G.68 PRO-GLY-ALA.12: 11 residues within 4Å: Chain B: L.82, T.83, I.84 Chain E: H.42, I.84 Chain F: S.47, S.66, W.67, G.68 Ligands: TRP.14, IPA.21 6 PLIP interactions: 3 interactions with chain F, 2 interactions with chain E, 1 interactions with chain B Hydrophobic interactions: F:W.67, E:I.84, B:I.84 Hydrogen bonds: F:S.47, F:G.68 Salt bridges: E:H.42

2 x ACE: ACETYL GROUP(Non-functional Binders)

ACE.2: 6 residues within 4Å: Chain C: S.41, S.42, G.68, S.69, G.78 Ligands: TRP.3 4 PLIP interactions: 2 interactions with chain C, 2 Ligand-Ligand interactions Hydrogen bonds: C:S.42, W.3 Water bridges: C:G.78 Hydrophobic interactions: W.3 ACE.13: 6 residues within 4Å: Chain F: S.41, S.42, G.68, S.69, G.78 Ligands: TRP.14 4 PLIP interactions: 2 Ligand-Ligand interactions, 2 interactions with chain F Hydrophobic interactions: W.14 Hydrogen bonds: W.14, F:S.42 Water bridges: F:G.78

2 x TRP: TRYPTOPHAN(Non-covalent)

TRP.3: 16 residues within 4Å: Chain C: S.42, C.43, M.44, S.47, V.65, S.66, W.67, G.68, S.69, C.72, G.78, V.79, Y.80 Ligands: PRO-GLY-ALA.1, ACE.2, IPA.10 7 PLIP interactions: 7 interactions with chain C, Hydrophobic interactions: C:V.65 Hydrogen bonds: C:S.66, C:W.67, C:W.67, C:V.79 Water bridges: C:A.35, C:G.78 TRP.14: 16 residues within 4Å: Chain F: S.42, C.43, M.44, S.47, V.65, S.66, W.67, G.68, S.69, C.72, G.78, V.79, Y.80 Ligands: PRO-GLY-ALA.12, ACE.13, IPA.21 7 PLIP interactions: 7 interactions with chain F, Hydrophobic interactions: F:V.65 Hydrogen bonds: F:S.66, F:W.67, F:W.67, F:V.79 Water bridges: F:A.35, F:G.78

10 x HEX: HEXANE(Non-covalent)

HEX.4: 5 residues within 4Å: Chain B: I.1, N.3, G.4, T.129 Chain C: Q.8 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:I.1, B:T.129, C:Q.8 HEX.5: 6 residues within 4Å: Chain A: C.1, G.2, V.3, P.4 Chain B: S.104, A.105 No protein-ligand interaction detected (PLIP) HEX.6: 2 residues within 4Å: Chain B: E.5, E.6 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:E.5 HEX.7: 1 residues within 4Å: Chain B: E.34 No protein-ligand interaction detected (PLIP) HEX.9: 4 residues within 4Å: Chain B: N.3 Chain C: S.38, G.39, V.40 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:V.40 HEX.15: 5 residues within 4Å: Chain E: I.1, N.3, G.4, T.129 Chain F: Q.8 3 PLIP interactions: 2 interactions with chain E, 1 interactions with chain F Hydrophobic interactions: E:I.1, E:T.129, F:Q.8 HEX.16: 6 residues within 4Å: Chain D: C.1, G.2, V.3, P.4 Chain E: S.104, A.105 No protein-ligand interaction detected (PLIP) HEX.17: 2 residues within 4Å: Chain E: E.5, E.6 1 PLIP interactions: 1 interactions with chain E Hydrophobic interactions: E:E.5 HEX.18: 1 residues within 4Å: Chain E: E.34 No protein-ligand interaction detected (PLIP) HEX.20: 4 residues within 4Å: Chain E: N.3 Chain F: S.38, G.39, V.40 1 PLIP interactions: 1 interactions with chain F Hydrophobic interactions: F:V.40

6 x IPA: ISOPROPYL ALCOHOL(Non-functional Binders)

IPA.8: 9 residues within 4Å: Chain B: A.41, G.44, V.45, V.73, K.75, T.89 Chain E: G.44, T.46 Ligands: IPA.19 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain E Hydrophobic interactions: B:V.73, B:K.75, B:T.89, E:T.46 Hydrogen bonds: B:A.41, B:K.75 IPA.10: 9 residues within 4Å: Chain B: F.26, H.42 Chain C: M.44, G.45, S.47 Chain E: S.81, L.82 Ligands: PRO-GLY-ALA.1, TRP.3 6 PLIP interactions: 4 interactions with chain C, 1 interactions with chain E, 1 Ligand-Ligand interactions Hydrophobic interactions: C:M.44, E:L.82 Hydrogen bonds: C:G.45, C:S.47, C:S.47, W.3 IPA.11: 2 residues within 4Å: Chain C: S.70 Ligands: IPA.22 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.70, C:S.70 IPA.19: 9 residues within 4Å: Chain B: G.44, T.46 Chain E: A.41, G.44, V.45, V.73, K.75, T.89 Ligands: IPA.8 6 PLIP interactions: 5 interactions with chain E, 1 interactions with chain B Hydrophobic interactions: E:V.73, E:K.75, E:T.89, B:T.46 Hydrogen bonds: E:A.41, E:K.75 IPA.21: 9 residues within 4Å: Chain B: S.81, L.82 Chain E: F.26, H.42 Chain F: M.44, G.45, S.47 Ligands: PRO-GLY-ALA.12, TRP.14 5 PLIP interactions: 4 interactions with chain F, 1 interactions with chain B Hydrophobic interactions: F:M.44, B:L.82 Hydrogen bonds: F:G.45, F:S.47, F:S.47 IPA.22: 2 residues within 4Å: Chain F: S.70 Ligands: IPA.11 2 PLIP interactions: 2 interactions with chain F Hydrogen bonds: F:S.70, F:S.70

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yennawar, H.P. et al., A STRUCTURAL EXPLANATION FOR ENZYME MEMORY IN NONAQUEOUS SOLVENTS. J.Am.Chem.Soc. (1995)

Release Date

1994-06-22

Peptides

GAMMA-CHYMOTRYPSIN: AD
GAMMA-CHYMOTRYPSIN: BE
GAMMA-CHYMOTRYPSIN: CF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

D
E

B
F

E
F

C
G

F
G

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

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