SMTL ID : 1ghb.3 (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-1-1-1-mer

Ligands

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

PRO-GLY-ALA.1: 8 residues within 4Å: Chain B: H.42, I.84 Chain C: S.47, S.66, W.67, G.68 Ligands: TRP.3, IPA.10 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:W.67, B:I.84 Hydrogen bonds: C:S.47, C:G.68 Salt bridges: B:H.42

1 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 Ligand-Ligand interactions, 2 interactions with chain C Hydrophobic interactions: W.3 Hydrogen bonds: W.3, C:S.42 Water bridges: C:G.78

1 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

5 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

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

IPA.8: 6 residues within 4Å: Chain B: A.41, G.44, V.45, V.73, K.75, T.89 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.73, B:K.75, B:T.89 Hydrogen bonds: B:A.41, B:K.75 IPA.10: 7 residues within 4Å: Chain B: F.26, H.42 Chain C: M.44, G.45, S.47 Ligands: PRO-GLY-ALA.1, TRP.3 5 PLIP interactions: 1 Ligand-Ligand interactions, 4 interactions with chain C Hydrogen bonds: W.3, C:G.45, C:S.47, C:S.47 Hydrophobic interactions: C:M.44 IPA.11: 1 residues within 4Å: Chain C: S.70 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.70, C: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: A
GAMMA-CHYMOTRYPSIN: B
GAMMA-CHYMOTRYPSIN: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
F

C
G

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

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