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2A9C

Crystal structure of R138Q mutant of recombinant chicken sulfite oxidase with the bound product, sulfate, at the active site

Functional Information from GO Data
ChainGOidnamespacecontents
A0016491molecular_functionoxidoreductase activity
A0030151molecular_functionmolybdenum ion binding
B0016491molecular_functionoxidoreductase activity
B0030151molecular_functionmolybdenum ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 7503
ChainResidue
AGLN138
AARG190
AGLY201
ALEU202
ATRP204
ATYR322
AARG450
AHOH7537
AHOH7631

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 B 8503
ChainResidue
BGLN138
BARG190
BGLY201
BLEU202
BTRP204
BTYR322
BARG450
BHOH9719
BHOH9756

site_idAC3
Number of Residues20
DetailsBINDING SITE FOR RESIDUE MTE A 1501
ChainResidue
APHE135
APHE136
ATHR137
AGLN138
AHIS140
ACYS185
AASP244
ATYR252
AHIS283
AARG288
AGLY296
AALA297
ASER299
AVAL300
ALYS301
ATRP302
ATYR322
AMO2501
AHOH7504
AHOH7505

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MO A 2501
ChainResidue
ACYS185
AMTE1501
AHOH7504
AHOH7505

site_idAC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE MTE B 4501
ChainResidue
BPHE135
BPHE136
BTHR137
BGLN138
BHIS140
BCYS185
BASP244
BTYR252
BHIS283
BARG288
BGLY296
BALA297
BSER299
BVAL300
BLYS301
BTRP302
BTYR322
BMO5501
BHOH9506

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MO B 5501
ChainResidue
BCYS185
BTYR322
BMTE4501
BHOH9506

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 9505
ChainResidue
BARG337
BTHR338
BALA339
BPRO340
BHOH9696

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsBINDING: BINDING => ECO:0000269|PubMed:9428520
ChainResidueDetails
APHE136
BHIS283
BARG288
BSER299
ACYS185
AASP244
AHIS283
AARG288
ASER299
BPHE136
BCYS185
BASP244

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1sox
ChainResidueDetails
AGLN138
ATYR322

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1sox
ChainResidueDetails
BGLN138
BTYR322

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1sox
ChainResidueDetails
AASP466

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1sox
ChainResidueDetails
BASP466

site_idMCSA1
Number of Residues3
DetailsM-CSA 121
ChainResidueDetails
AGLN138steric role
ACYS185metal ligand
ATYR322hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay

site_idMCSA2
Number of Residues3
DetailsM-CSA 121
ChainResidueDetails
BGLN138steric role
BCYS185metal ligand
BTYR322hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay

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PDB entries from 2024-11-13

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