4WQA

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

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0009055	molecular_function	electron transfer activity
A	0016491	molecular_function	oxidoreductase activity
A	0020037	molecular_function	heme binding
A	0042597	cellular_component	periplasmic space
A	0046872	molecular_function	metal ion binding
A	0050338	molecular_function	thiosulfate dehydrogenase activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	22
Details	binding site for residue HEC A 1001

Chain	Residue
A	LEU32
A	SER100
A	LEU101
A	GLY137
A	ILE138
A	PHE189
A	THR200
A	HOH1111
A	HOH1172
A	HOH1179
A	HOH1183
A	CYS49
A	HOH1215
A	HOH1249
A	HOH1253
A	CYS52
A	HIS53
A	PHE69
A	LEU89
A	ARG92
A	CSS96
A	PHE97

---

site_id	AC2
Number of Residues	18
Details	binding site for residue HEC A 1002

Chain	Residue
A	HIS51
A	CYS52
A	ARG159
A	CYS160
A	CYS163
A	HIS164
A	LEU179
A	PHE180
A	PRO181
A	PRO182
A	LEU183
A	PHE189
A	PHE204
A	ILE205
A	LYS208
A	MET209
A	HOH1174
A	HOH1210

---

site_id	AC3
Number of Residues	2
Details	binding site for residue IOD A 1003

Chain	Residue
A	ARG234
A	HOH1145

---

site_id	AC4
Number of Residues	3
Details	binding site for residue SO4 A 1004

Chain	Residue
A	ARG197
A	GLN198
A	HOH1122

---

site_id	AC5
Number of Residues	2
Details	binding site for residue EDO A 1005

Chain	Residue
A	ALA162
A	CYS163

---

site_id	AC6
Number of Residues	9
Details	binding site for residue SO3 A 1006

Chain	Residue
A	ARG82
A	ARG92
A	CSS96
A	ARG99
A	SER100
A	GLY192
A	ALA193
A	GLY194
A	HOH1279

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	4
Details	BINDING: covalent => ECO:0000255|PROSITE-ProRule:PRU00433

Chain	Residue	Details
A	CYS49
A	CYS52
A	CYS160
A	CYS163

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: axial binding residue => ECO:0000255|PROSITE-ProRule:PRU00433

Chain	Residue	Details
A	HIS53
A	HIS164

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