SMTL ID : 2a8c.1 (1 other biounit)

Haemophilus influenzae beta-carbonic anhydrase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-tetramer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.42, A:D.44, A:H.98, A:C.101 ZN.2: 4 residues within 4Å: Chain B: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.42, B:D.44, B:H.98, B:C.101 ZN.5: 4 residues within 4Å: Chain C: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:C.42, C:D.44, C:H.98, C:C.101 ZN.8: 4 residues within 4Å: Chain D: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.42, D:D.44, D:H.98, D:C.101

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

SO4.3: 4 residues within 4Å: Chain A: L.121, R.124 Chain B: R.160, R.198 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Water bridges: B:K.165 Salt bridges: B:R.160, B:K.165, B:R.198, A:R.124 SO4.4: 4 residues within 4Å: Chain A: R.160, R.198 Chain B: L.121, R.124 6 PLIP interactions: 1 interactions with chain B, 5 interactions with chain A Salt bridges: B:R.124, A:R.160, A:K.165, A:R.198 Water bridges: A:K.165, A:K.165 SO4.6: 5 residues within 4Å: Chain C: L.121, R.124, F.128 Chain D: R.160, R.198 5 PLIP interactions: 4 interactions with chain D, 1 interactions with chain C Water bridges: D:R.198, D:R.198 Salt bridges: D:R.160, D:R.198, C:R.124 SO4.7: 6 residues within 4Å: Chain C: R.160, K.165, R.198 Chain D: L.121, R.124, F.128 7 PLIP interactions: 6 interactions with chain C, 1 interactions with chain D Water bridges: C:Y.156, C:K.165, C:R.198 Salt bridges: C:R.160, C:K.165, C:R.198, D:R.124

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cronk, J.D. et al., Identification of a Novel Noncatalytic Bicarbonate Binding Site in Eubacterial beta-Carbonic Anhydrase. Biochemistry (2006)

Release Date

2006-04-18

Peptides

Carbonic anhydrase 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

C
E

D
F

Carbonic anhydrase 2

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