6X7E

Co-bound structure of an engineered protein trimer, TriCyt3, with delta isomerism at the hexahistidine coordination site

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005506	molecular_function	iron ion binding
A	0009055	molecular_function	electron transfer activity
A	0020037	molecular_function	heme binding
A	0022900	biological_process	electron transport chain
A	0042597	cellular_component	periplasmic space
A	0046872	molecular_function	metal ion binding
B	0005506	molecular_function	iron ion binding
B	0009055	molecular_function	electron transfer activity
B	0020037	molecular_function	heme binding
B	0022900	biological_process	electron transport chain
B	0042597	cellular_component	periplasmic space
B	0046872	molecular_function	metal ion binding
C	0005506	molecular_function	iron ion binding
C	0009055	molecular_function	electron transfer activity
C	0020037	molecular_function	heme binding
C	0022900	biological_process	electron transport chain
C	0042597	cellular_component	periplasmic space
C	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	16
Details	binding site for residue HEC A 201

Chain	Residue
A	LEU3
A	HIS102
A	TYR105
A	ARG106
A	HOH304
A	HOH306
A	HOH308
A	HOH358
A	MET7
A	GLU8
A	PRO45
A	PRO46
A	PHE61
A	PHE65
A	CYS98
A	CYS101

---

site_id	AC2
Number of Residues	6
Details	binding site for residue CO A 202

Chain	Residue
A	HIS73
A	HIS77
B	HIS73
B	HIS77
C	HIS73
C	HIS77

---

site_id	AC3
Number of Residues	7
Details	binding site for residue CL A 203

Chain	Residue
A	ARG62
A	HOH365
A	HOH396
B	ARG62
B	HOH399
C	ARG62
C	HOH328

---

site_id	AC4
Number of Residues	5
Details	binding site for residue CL A 204

Chain	Residue
A	LYS41
A	HOH336
B	LYS41
C	LYS41
C	HOH322

---

site_id	AC5
Number of Residues	4
Details	binding site for residue MG A 205

Chain	Residue
A	MG206
A	MG207
C	HEC201
C	HOH361

---

site_id	AC6
Number of Residues	2
Details	binding site for residue MG A 206

Chain	Residue
A	MG205
C	HEC201

---

site_id	AC7
Number of Residues	6
Details	binding site for residue MG A 207

Chain	Residue
A	MG205
A	HOH355
C	GLU4
C	HOH302
C	HOH361
C	HOH391

---

site_id	AC8
Number of Residues	2
Details	binding site for residue MG B 202

Chain	Residue
B	ASP2
B	HOH352

---

site_id	AC9
Number of Residues	2
Details	binding site for residue MG B 203

Chain	Residue
B	ASP5
B	MG204

---

site_id	AD1
Number of Residues	4
Details	binding site for residue MG B 204

Chain	Residue
B	ASP2
B	ASP5
B	MG203
B	HOH352

---

site_id	AD2
Number of Residues	20
Details	binding site for Di-peptide HEC B 201 and CYS B 98

Chain	Residue
B	GLU4
B	MET7
B	ASN11
B	PRO45
B	PRO46
B	PHE61
B	PHE65
B	LEU94
B	LYS95
B	THR96
B	THR97
B	ASN99
B	ALA100
B	CYS101
B	HIS102
B	TYR105
B	ARG106
B	HOH311
B	HOH374
B	HOH376

---

site_id	AD3
Number of Residues	19
Details	binding site for Di-peptide HEC B 201 and CYS B 101

Chain	Residue
B	GLU4
B	MET7
B	ASN11
B	PRO45
B	PRO46
B	PHE61
B	PHE65
B	THR97
B	CYS98
B	ASN99
B	ALA100
B	HIS102
B	GLN103
B	LYS104
B	TYR105
B	ARG106
B	HOH311
B	HOH374
B	HOH376

---

site_id	AD4
Number of Residues	20
Details	binding site for Di-peptide HEC C 201 and CYS C 101

Chain	Residue
C	PHE61
C	PHE65
C	THR97
C	CYS98
C	ASN99
C	ALA100
C	HIS102
C	GLN103
C	LYS104
C	TYR105
C	ARG106
C	HOH302
C	HOH325
C	HOH361
A	MG205
A	MG206
C	GLU4
C	MET7
C	PRO45
C	PRO46

---

site_id	AD5
Number of Residues	21
Details	binding site for Di-peptide HEC C 201 and CYS C 98

Chain	Residue
A	MG205
A	MG206
C	GLU4
C	MET7
C	PRO45
C	PRO46
C	PHE61
C	PHE65
C	LEU94
C	LYS95
C	THR96
C	THR97
C	ASN99
C	ALA100
C	CYS101
C	HIS102
C	TYR105
C	ARG106
C	HOH302
C	HOH325
C	HOH361

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	6
Details	BINDING: axial binding residue

Chain	Residue	Details
A	MET7
A	HIS102
B	MET7
B	HIS102
C	MET7
C	HIS102

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