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4WQA

Thiosulfate dehydrogenase (TsdA) from Allochromatium vinosum - tetrathionate co-crystallization

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
A0050338molecular_functionthiosulfate dehydrogenase activity
Functional Information from PDB Data
site_idAC1
Number of Residues22
Detailsbinding site for residue HEC A 1001
ChainResidue
ALEU32
ASER100
ALEU101
AGLY137
AILE138
APHE189
ATHR200
AHOH1111
AHOH1172
AHOH1179
AHOH1183
ACYS49
AHOH1215
AHOH1249
AHOH1253
ACYS52
AHIS53
APHE69
ALEU89
AARG92
ACSS96
APHE97

site_idAC2
Number of Residues18
Detailsbinding site for residue HEC A 1002
ChainResidue
AHIS51
ACYS52
AARG159
ACYS160
ACYS163
AHIS164
ALEU179
APHE180
APRO181
APRO182
ALEU183
APHE189
APHE204
AILE205
ALYS208
AMET209
AHOH1174
AHOH1210

site_idAC3
Number of Residues2
Detailsbinding site for residue IOD A 1003
ChainResidue
AARG234
AHOH1145

site_idAC4
Number of Residues3
Detailsbinding site for residue SO4 A 1004
ChainResidue
AARG197
AGLN198
AHOH1122

site_idAC5
Number of Residues2
Detailsbinding site for residue EDO A 1005
ChainResidue
AALA162
ACYS163

site_idAC6
Number of Residues9
Detailsbinding site for residue SO3 A 1006
ChainResidue
AARG82
AARG92
ACSS96
AARG99
ASER100
AGLY192
AALA193
AGLY194
AHOH1279

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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