SMTL ID : 2iu7.1

Site directed mutagenesis of key residues involved in the catalytic mechanism of Cyanase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.91 Å

Oligo State

homo-10-mer

Ligands

5 x OXL: OXALATE ION(Non-covalent)

OXL.1: 10 residues within 4Å: Chain A: I.120, S.122, A.123, L.151 Chain D: R.96 Chain I: R.96 Chain J: I.120, S.122, A.123, L.151 6 PLIP interactions: 2 interactions with chain D, 2 interactions with chain I, 1 interactions with chain A, 1 interactions with chain J Salt bridges: D:R.96, D:R.96, I:R.96, I:R.96 Hydrogen bonds: A:A.123, J:A.123 OXL.7: 10 residues within 4Å: Chain C: I.120, S.122, A.123, L.151 Chain H: R.96 Chain I: I.120, S.122, A.123, L.151 Chain J: R.96 6 PLIP interactions: 2 interactions with chain H, 2 interactions with chain J, 1 interactions with chain C, 1 interactions with chain I Salt bridges: H:R.96, H:R.96, J:R.96, J:R.96 Hydrogen bonds: C:A.123, I:A.123 OXL.9: 10 residues within 4Å: Chain A: R.96 Chain B: I.120, S.122, A.123, L.151 Chain D: I.120, S.122, A.123, L.151 Chain F: R.96 6 PLIP interactions: 2 interactions with chain F, 2 interactions with chain A, 1 interactions with chain D, 1 interactions with chain B Salt bridges: F:R.96, F:R.96, A:R.96, A:R.96 Hydrogen bonds: D:A.123, B:A.123 OXL.15: 10 residues within 4Å: Chain B: R.96 Chain E: I.120, S.122, A.123, L.151 Chain F: I.120, S.122, A.123, L.151 Chain G: R.96 8 PLIP interactions: 2 interactions with chain G, 1 interactions with chain F, 3 interactions with chain E, 2 interactions with chain B Salt bridges: G:R.96, G:R.96, B:R.96, B:R.96 Hydrogen bonds: F:A.123, E:A.123 Water bridges: E:S.122, E:S.122 OXL.18: 11 residues within 4Å: Chain C: R.96 Chain E: R.96 Chain G: I.120, S.122, A.123, I.124, L.151 Chain H: I.120, S.122, A.123, L.151 6 PLIP interactions: 1 interactions with chain G, 2 interactions with chain E, 2 interactions with chain C, 1 interactions with chain H Hydrogen bonds: G:A.123, H:A.123 Salt bridges: E:R.96, E:R.96, C:R.96, C:R.96

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

SO4.2: 2 residues within 4Å: Chain A: A.39, E.40 Ligand excluded by PLIP SO4.3: 4 residues within 4Å: Chain A: R.87 Chain B: R.87 Chain D: R.87 Chain J: R.87 Ligand excluded by PLIP SO4.4: 5 residues within 4Å: Chain A: R.87 Chain C: R.87 Chain I: R.87, I.88 Chain J: R.87 Ligand excluded by PLIP SO4.5: 2 residues within 4Å: Chain B: A.39, E.40 Ligand excluded by PLIP SO4.6: 4 residues within 4Å: Chain B: R.87 Chain D: R.87 Chain E: R.87 Chain F: R.87 Ligand excluded by PLIP SO4.8: 2 residues within 4Å: Chain C: A.39, E.40 Ligand excluded by PLIP SO4.10: 2 residues within 4Å: Chain D: A.39, E.40 Ligand excluded by PLIP SO4.11: 6 residues within 4Å: Chain D: A.33, D.34, G.35, T.36, G.37, L.38 Ligand excluded by PLIP SO4.12: 2 residues within 4Å: Chain E: A.39, E.40 Ligand excluded by PLIP SO4.13: 4 residues within 4Å: Chain E: R.87 Chain F: R.87 Chain G: R.87 Chain H: R.87 Ligand excluded by PLIP SO4.14: 6 residues within 4Å: Chain E: A.33, D.34, G.35, T.36, G.37, L.38 Ligand excluded by PLIP SO4.16: 2 residues within 4Å: Chain F: A.39, E.40 Ligand excluded by PLIP SO4.17: 6 residues within 4Å: Chain F: A.33, D.34, G.35, T.36, G.37, L.38 Ligand excluded by PLIP SO4.19: 2 residues within 4Å: Chain G: A.39, E.40 Ligand excluded by PLIP SO4.20: 2 residues within 4Å: Chain H: A.39, E.40 Ligand excluded by PLIP SO4.21: 6 residues within 4Å: Chain H: A.33, D.34, G.35, T.36, G.37, L.38 Ligand excluded by PLIP SO4.22: 2 residues within 4Å: Chain I: A.39, E.40 Ligand excluded by PLIP SO4.23: 4 residues within 4Å: Chain C: R.87 Chain G: R.87 Chain H: R.87 Chain I: R.87 Ligand excluded by PLIP SO4.24: 5 residues within 4Å: Chain I: A.33, D.34, G.35, T.36, G.37 Ligand excluded by PLIP SO4.25: 2 residues within 4Å: Chain J: A.39, E.40 Ligand excluded by PLIP SO4.26: 5 residues within 4Å: Chain J: A.33, D.34, G.35, T.36, G.37 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guilloton, M. et al., A Twin Set of Low Pka Arginines Ensures the Concerted Acid Base Catalytic Mechanism of Cyanase. To be Published

Release Date

2006-06-06

Peptides

CYANATE HYDRATASE: ABCDEFGHIJ

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

I
I

J
J

CYANATE HYDRATASE