SMTL ID : 1qrl.1

A CLOSER LOOK AT THE ACTIVE SITE OF GAMMA-CARBONIC ANHYDRASES: HIGH RESOLUTION CRYSTALLOGRAPHIC STUDIES OF THE CARBONIC ANHYDRASE FROM METHANOSARCINA THERMOPHILA

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

homo-trimer

Ligands

3 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.82, H.123 Chain B: Q.76, H.118 Ligands: BCT.2 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.82, A:H.123, B:H.118 ZN.3: 5 residues within 4Å: Chain C: Q.76, H.118 Chain B: H.82, H.123 Ligands: BCT.4 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain B Metal complexes: C:H.118, B:H.82, B:H.123 ZN.5: 5 residues within 4Å: Chain A: Q.76, H.118 Chain C: H.82, H.123 Ligands: BCT.6 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain C Metal complexes: A:H.118, C:H.82, C:H.123

3 x BCT: BICARBONATE ION(Non-functional Binders)

BCT.2: 8 residues within 4Å: Chain A: E.63, H.82, A.83, L.84, H.123 Chain B: Q.76, V.199 Ligands: ZN.1 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.76 BCT.4: 8 residues within 4Å: Chain C: Q.76, V.199 Chain B: E.63, H.82, A.83, L.84, H.123 Ligands: ZN.3 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Q.76 BCT.6: 8 residues within 4Å: Chain A: Q.76, V.199 Chain C: E.63, H.82, A.83, L.84, H.123 Ligands: ZN.5 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.76

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Iverson, T.M. et al., A closer look at the active site of gamma-class carbonic anhydrases: high-resolution crystallographic studies of the carbonic anhydrase from Methanosarcina thermophila. Biochemistry (2000)

Release Date

1999-06-25

Peptides

CARBONIC ANHYDRASE: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

CARBONIC ANHYDRASE