SMTL ID : 1qrm.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-trimer

Ligands

3 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.81, H.122 Chain B: H.117 Ligands: SO4.2 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Metal complexes: A:H.81, A:H.122, B:H.117 ZN.3: 4 residues within 4Å: Chain B: H.81, H.122 Chain C: H.117 Ligands: SO4.4 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain C Metal complexes: B:H.81, B:H.122, C:H.117 ZN.5: 4 residues within 4Å: Chain A: H.117 Chain C: H.81, H.122 Ligands: SO4.6 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain A Metal complexes: C:H.81, C:H.122, A:H.117

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

SO4.2: 10 residues within 4Å: Chain A: E.62, H.81, A.82, L.83, H.122 Chain B: Q.75, H.117, M.135, V.198 Ligands: ZN.1 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:E.62, B:Q.75 Salt bridges: A:H.81, A:H.122 SO4.4: 10 residues within 4Å: Chain B: E.62, H.81, A.82, L.83, H.122 Chain C: Q.75, H.117, M.135, V.198 Ligands: ZN.3 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain C Hydrogen bonds: B:E.62, C:Q.75 Salt bridges: B:H.81, B:H.122 SO4.6: 10 residues within 4Å: Chain A: Q.75, H.117, M.135, V.198 Chain C: E.62, H.81, A.82, L.83, H.122 Ligands: ZN.5 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:E.62, A:Q.75 Salt bridges: C:H.81, C:H.122

Links

RCSB   PDBe   PDBe-KB   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

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