SMTL ID : 1gha.1

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 2.20 Å

Oligo State

hetero-oligomer

Ligands

2 x PRO- GLY- VAL- TYR: PRO GLY VAL TYR PEPTIDE(Non-covalent)

PRO-GLY-VAL-TYR.1: 16 residues within 4Å: Chain B: H.42 Chain C: S.42, C.43, M.44, G.45, D.46, S.47, S.66, W.67, G.68, S.69, S.70, C.72 Chain E: L.82, I.84 Ligands: PRO-GLY-VAL-TYR.4 12 PLIP interactions: 10 interactions with chain C, 1 interactions with chain B, 1 interactions with chain E Hydrophobic interactions: C:W.67, E:I.84 Hydrogen bonds: C:C.43, C:G.45, C:D.46, C:S.47, C:S.47, C:S.66, C:G.68 Water bridges: C:S.41, C:S.41 Salt bridges: B:H.42 PRO-GLY-VAL-TYR.4: 16 residues within 4Å: Chain B: L.82, I.84 Chain E: H.42 Chain F: S.42, C.43, M.44, G.45, D.46, S.47, S.66, W.67, G.68, S.69, S.70, C.72 Ligands: PRO-GLY-VAL-TYR.1 12 PLIP interactions: 10 interactions with chain F, 1 interactions with chain E, 1 interactions with chain B Hydrophobic interactions: F:W.67, B:I.84 Hydrogen bonds: F:C.43, F:G.45, F:D.46, F:S.47, F:S.47, F:S.66, F:G.68 Water bridges: F:S.41, F:S.41 Salt bridges: E:H.42

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 5 residues within 4Å: Chain B: K.75, S.77 Chain C: W.89, T.93 Chain E: K.21 5 PLIP interactions: 2 interactions with chain E, 1 interactions with chain C, 2 interactions with chain B Water bridges: E:K.21 Salt bridges: E:K.21 Hydrogen bonds: C:W.89, B:S.77, B:S.77 SO4.5: 5 residues within 4Å: Chain B: K.21 Chain E: K.75, S.77 Chain F: W.89, T.93 5 PLIP interactions: 1 interactions with chain F, 2 interactions with chain B, 2 interactions with chain E Hydrogen bonds: F:W.89, E:S.77, E:S.77 Water bridges: B:K.21 Salt bridges: B:K.21

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

IPA.3: 3 residues within 4Å: Chain C: S.69, S.70 Ligands: IPA.6 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.70, C:S.70 IPA.6: 3 residues within 4Å: Chain F: S.69, S.70 Ligands: IPA.3 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 A: AD
GAMMA-CHYMOTRYPSIN A: BE
GAMMA-CHYMOTRYPSIN A: CF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

D
E

B
F

E
F

C
G

F
G

GAMMA-CHYMOTRYPSIN A

GAMMA-CHYMOTRYPSIN A

GAMMA-CHYMOTRYPSIN A

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