3X32

Crystal structure of the oxidized form of the solubilized domain of porcine cytochrome b5 in form 1 crystal

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0020037	molecular_function	heme binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	21
Details	BINDING SITE FOR RESIDUE HEM A 101

Chain	Residue
A	LYS10
A	LEU51
A	GLN54
A	ASN62
A	PHE63
A	VAL66
A	HIS68
A	SER69
A	ALA72
A	SER76
A	HOH314
A	TYR12
A	HOH345
A	HOH354
A	GLU16
A	LEU37
A	PHE40
A	HIS44
A	PRO45
A	GLY46
A	VAL50

---

site_id	AC2
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA A 102

Chain	Residue
A	GLU42
A	GLU48
A	GLN54
A	ASP58
A	HOH304
A	HOH309

---

site_id	AC3
Number of Residues	7
Details	BINDING SITE FOR RESIDUE CA A 103

Chain	Residue
A	GLU42
A	HOH307
A	HOH317
A	HOH319
A	HOH328
A	HOH329
A	HOH347

---

site_id	AC4
Number of Residues	16
Details	BINDING SITE FOR RESIDUE EPE A 104

Chain	Residue
A	ALA8
A	LYS10
A	LYS39
A	GLU43
A	SER69
A	THR70
A	ASP71
A	ILE80
A	ILE81
A	HOH306
A	HOH333
A	HOH414
A	HOH478
A	HOH479
A	HOH493
A	HOH512

---

Functional Information from PROSITE/UniProt

site_id	PS00191
Number of Residues	8
Details	CYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FLEEHPGG

Chain	Residue	Details
A	PHE40-GLY47

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	76
Details	Domain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	Binding site: {"description":"axial binding residue"}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56395","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

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