SMTL ID : 4xiw.2 (3 other biounits)

Carbonic anhydrase Cah3 from Chlamydomonas reinhardtii in complex with acetazolamide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 6 residues within 4Å: Chain A: H.89, H.91, E.95, H.108, T.183 Ligands: AZM.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.89, A:H.91, A:H.108 ZN.5: 6 residues within 4Å: Chain B: H.89, H.91, E.95, H.108, T.183 Ligands: AZM.6 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.89, B:H.91, B:H.108

2 x AZM: 5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE(Non-covalent)

AZM.2: 12 residues within 4Å: Chain A: Q.87, H.89, H.91, E.95, H.108, V.110, V.121, L.182, T.183, T.184, W.193 Ligands: ZN.1 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.87, A:E.95, A:E.95, A:T.183, A:T.184 AZM.6: 12 residues within 4Å: Chain B: Q.87, H.89, H.91, E.95, H.108, V.110, V.121, L.182, T.183, T.184, W.193 Ligands: ZN.5 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Q.87, B:T.183, B:T.183, B:T.183 Water bridges: B:Q.67

5 x 2HP: DIHYDROGENPHOSPHATE ION(Non-covalent)

2HP.3: 6 residues within 4Å: Chain A: L.208, D.209, R.212, Y.220 Chain B: P.128 Ligands: 2HP.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:L.208, A:Y.220 2HP.4: 5 residues within 4Å: Chain A: P.128, G.129, D.204 Chain B: S.205, D.209 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.204, A:D.204 2HP.7: 5 residues within 4Å: Chain B: G.22, K.23, R.24, E.189 Ligands: 2HP.8 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:K.23, B:R.24, B:E.189 Salt bridges: B:R.24 2HP.8: 2 residues within 4Å: Chain B: R.24 Ligands: 2HP.7 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.24 2HP.9: 5 residues within 4Å: Chain A: S.205 Chain B: P.128, G.129, D.204 Ligands: 2HP.3 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:D.204

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Benlloch, R. et al., Crystal Structure and Functional Characterization of Photosystem II-Associated Carbonic Anhydrase CAH3 in Chlamydomonas reinhardtii. Plant Physiol. (2015)

Release Date

2015-02-11

Peptides

Carbonic anhydrase, alpha type: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
H

Carbonic anhydrase, alpha type

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