SMTL ID : 5r45.1

Crystal Structure of gamma-Chymotrypsin at pH 7.5, cryo temperature

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.05 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x SER- TRP- PRO- TRP: peptide SWPW(Non-covalent)

SER-TRP-PRO-TRP.1: 20 residues within 4Å: Chain B: H.42 Chain C: K.27, S.41, S.42, C.43, M.44, G.45, D.46, S.47, S.66, W.67, G.68, S.69, S.70, G.78 Ligands: THR-PRO-GLY-VAL-TYR.2, THR-PRO-GLY-VAL-TYR.2, THR-PRO-GLY-VAL-TYR.2, THR-PRO-GLY-VAL-TYR.2, THR-PRO-GLY-VAL-TYR.2 7 PLIP interactions: 7 interactions with chain C Hydrogen bonds: C:K.27, C:G.45, C:D.46, C:S.47, C:S.66, C:G.68, C:G.68

1 x THR- PRO- GLY- VAL- TYR: peptide TPGVY(Non-covalent)

THR-PRO-GLY-VAL-TYR.2: 19 residues within 4Å: Chain B: H.42, I.84 Chain C: W.24, S.41, S.42, C.43, M.44, G.45, S.47, S.66, W.67, G.68, S.69, S.70, C.72 Ligands: SER-TRP-PRO-TRP.1, SER-TRP-PRO-TRP.1, SER-TRP-PRO-TRP.1, SER-TRP-PRO-TRP.1 15 PLIP interactions: 2 interactions with chain B, 13 interactions with chain C Hydrophobic interactions: B:I.84, C:W.24, C:W.67 Salt bridges: B:H.42 Hydrogen bonds: C:S.41, C:S.41, C:G.45, C:S.47, C:S.47, C:S.66, C:G.68, C:G.68, C:S.70, C:C.72 Water bridges: C:S.69

1 x MLI: MALONATE ION(Non-functional Binders)

MLI.3: 4 residues within 4Å: Chain A: C.1, G.2, V.3 Chain B: S.104 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:V.3, A:V.3 Water bridges: A:C.1, A:C.1, A:C.1, A:G.2, B:A.105

1 x IOD: IODIDE ION(Non-functional Binders)

IOD.4: 2 residues within 4Å: Chain B: T.46, T.47 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kreinbring, C.A. et al., Effect of Temperature and pH on Ionizable Residues in gamma-Chymotrypsin: a X-ray and Neutron Crystallography Study. To be published

Release Date

2021-09-01

Peptides

Chymotrypsinogen A: A
Chymotrypsinogen A: B
Chymotrypsinogen A: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Chymotrypsinogen A

Chymotrypsinogen A

Chymotrypsinogen A

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