1ES1

CRYSTAL STRUCTURE OF VAL61HIS MUTANT OF TRYPSIN-SOLUBILIZED FRAGMENT OF CYTOCHROME B5

Replaces:  1QDX

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	14
Details	BINDING SITE FOR RESIDUE HEM A 201

Chain	Residue
A	LEU32
A	HIS61
A	HIS63
A	SER64
A	ALA67
A	SER71
A	PHE35
A	HIS39
A	PRO40
A	GLY41
A	LEU46
A	GLN49
A	ASN57
A	PHE58

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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	PHE35-GLY42

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	BINDING: axial binding residue => ECO:0000255|PROSITE-ProRule:PRU00279, ECO:0000269|PubMed:15299727

Chain	Residue	Details
A	HIS39
A	HIS63

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site_id	SWS_FT_FI2
Number of Residues	2
Details	MOD_RES: N6-acetyllysine => ECO:0000250|UniProtKB:P56395

Chain	Residue	Details
A	LYS5
A	LYS14

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