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 Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-2-2-2-mer

Ligands

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

ACE.1: 1 residues within 4Å: Ligands: TRP.2 2 PLIP interactions: 2 Ligand-Ligand interactions Hydrophobic interactions: W.2 Hydrogen bonds: W.2 ACE.5: 1 residues within 4Å: Ligands: TRP.6 2 PLIP interactions: 2 Ligand-Ligand interactions Hydrophobic interactions: W.6 Hydrogen bonds: W.6

2 x TRP: TRYPTOPHAN(Non-functional Binders)

TRP.2: 1 residues within 4Å: Ligands: ACE.1 0 PLIP interactions: TRP.6: 1 residues within 4Å: Ligands: ACE.5 0 PLIP interactions:

10 x HEX: HEXANE(Non-functional Binders)(Non-covalent)

HEX.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) HEX.4: 6 residues within 4Å: Chain A: C.1, G.2, V.3, P.4 Chain C: K.78 Chain E: T.22 1 PLIP interactions: 1 interactions with chain E Hydrophobic interactions: E:T.22 HEX.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) HEX.8: 6 residues within 4Å: Chain B: C.1, G.2, V.3, P.4 Chain C: T.22 Chain E: K.78 1 PLIP interactions: 1 interactions with chain C Hydrophobic interactions: C:T.22 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) HEX.13: 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.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

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

PRO-GLY-ALA.9: 10 residues within 4Å: Chain C: H.42, I.84 Chain D: S.47, S.66, W.67, G.68 Chain E: L.82, T.83, I.84 Ligands: IPA.14 7 PLIP interactions: 4 interactions with chain D, 2 interactions with chain C, 1 interactions with chain E Hydrophobic interactions: D:W.67, C:I.84, E:I.84 Hydrogen bonds: D:S.47, D:S.66, D:G.68 Salt bridges: C:H.42 PRO-GLY-ALA.16: 10 residues within 4Å: Chain C: L.82, T.83, I.84 Chain E: H.42, I.84 Chain F: S.47, S.66, W.67, G.68 Ligands: IPA.21 7 PLIP interactions: 4 interactions with chain F, 2 interactions with chain E, 1 interactions with chain C Hydrophobic interactions: F:W.67, E:I.84, C:I.84 Hydrogen bonds: F:S.47, F:S.66, F:G.68 Salt bridges: E:H.42

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

IPA.12: 9 residues within 4Å: Chain C: 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 C, 1 interactions with chain E Hydrophobic interactions: C:V.73, C:K.75, C:T.89, E:T.46 Hydrogen bonds: C:A.41, C:K.75 IPA.14: 8 residues within 4Å: Chain C: F.26, H.42 Chain D: M.44, G.45, S.47 Chain E: S.81, L.82 Ligands: PRO-GLY-ALA.9 5 PLIP interactions: 4 interactions with chain D, 1 interactions with chain E Hydrophobic interactions: D:M.44, E:L.82 Hydrogen bonds: D:G.45, D:S.47, D:S.47 IPA.15: 2 residues within 4Å: Chain D: S.70 Ligands: IPA.22 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:S.70, D:S.70 IPA.19: 9 residues within 4Å: Chain C: G.44, T.46 Chain E: A.41, G.44, V.45, V.73, K.75, T.89 Ligands: IPA.12 6 PLIP interactions: 5 interactions with chain E, 1 interactions with chain C Hydrophobic interactions: E:V.73, E:K.75, E:T.89, C:T.46 Hydrogen bonds: E:A.41, E:K.75 IPA.21: 8 residues within 4Å: Chain C: S.81, L.82 Chain E: F.26, H.42 Chain F: M.44, G.45, S.47 Ligands: PRO-GLY-ALA.16 5 PLIP interactions: 1 interactions with chain C, 4 interactions with chain F Hydrophobic interactions: C:L.82, F:M.44 Hydrogen bonds: F:G.45, F:S.47, F:S.47 IPA.22: 2 residues within 4Å: Chain F: S.70 Ligands: IPA.15 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: AB
GAMMA-CHYMOTRYPSIN: CE
GAMMA-CHYMOTRYPSIN: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
E

C
F

E
F

D
G

F
G

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

GAMMA-CHYMOTRYPSIN

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