SMTL ID : 1ghb.2 (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-oligomer

Ligands

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

PRO-GLY-ALA.1: 10 residues within 4Å: Chain A: H.42, I.84 Chain B: S.47, S.66, W.67, G.68 Chain C: L.82, T.83, I.84 Ligands: IPA.5 7 PLIP interactions: 1 interactions with chain C, 4 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: C:I.84, B:W.67, A:I.84 Hydrogen bonds: B:S.47, B:S.66, B:G.68 Salt bridges: A:H.42 PRO-GLY-ALA.8: 10 residues within 4Å: Chain A: L.82, T.83, I.84 Chain C: H.42, I.84 Chain D: S.47, S.66, W.67, G.68 Ligands: IPA.12 7 PLIP interactions: 4 interactions with chain D, 2 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: D:W.67, C:I.84, A:I.84 Hydrogen bonds: D:S.47, D:S.66, D:G.68 Salt bridges: C:H.42

6 x HEX: HEXANE(Non-covalent)

HEX.2: 4 residues within 4Å: Chain A: N.3 Chain B: S.38, G.39, V.40 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:V.40 HEX.3: 2 residues within 4Å: Chain A: E.5, E.6 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:E.5 HEX.4: 1 residues within 4Å: Chain A: E.34 No protein-ligand interaction detected (PLIP) HEX.9: 4 residues within 4Å: Chain C: N.3 Chain D: S.38, G.39, V.40 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:V.40 HEX.10: 2 residues within 4Å: Chain C: E.5, E.6 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:E.5 HEX.11: 1 residues within 4Å: Chain C: E.34 No protein-ligand interaction detected (PLIP)

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

IPA.5: 8 residues within 4Å: Chain A: F.26, H.42 Chain B: M.44, G.45, S.47 Chain C: S.81, L.82 Ligands: PRO-GLY-ALA.1 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain C Hydrophobic interactions: B:M.44, C:L.82 Hydrogen bonds: B:G.45, B:S.47, B:S.47 IPA.6: 2 residues within 4Å: Chain B: S.70 Ligands: IPA.13 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.70, B:S.70 IPA.7: 9 residues within 4Å: Chain A: A.41, G.44, V.45, V.73, K.75, T.89 Chain C: G.44, T.46 Ligands: IPA.14 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain C Hydrophobic interactions: A:V.73, A:K.75, A:T.89, C:T.46 Hydrogen bonds: A:A.41, A:K.75 IPA.12: 8 residues within 4Å: Chain A: S.81, L.82 Chain C: F.26, H.42 Chain D: M.44, G.45, S.47 Ligands: PRO-GLY-ALA.8 5 PLIP interactions: 4 interactions with chain D, 1 interactions with chain A Hydrophobic interactions: D:M.44, A:L.82 Hydrogen bonds: D:G.45, D:S.47, D:S.47 IPA.13: 2 residues within 4Å: Chain D: S.70 Ligands: IPA.6 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:S.70, D:S.70 IPA.14: 9 residues within 4Å: Chain A: G.44, T.46 Chain C: A.41, G.44, V.45, V.73, K.75, T.89 Ligands: IPA.7 6 PLIP interactions: 5 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: C:V.73, C:K.75, C:T.89, A:T.46 Hydrogen bonds: C:A.41, C:K.75

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: AC
GAMMA-CHYMOTRYPSIN: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

C
F

B
G

D
G

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

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