1M20

Crystal Structure of F35Y Mutant of Trypsin-solubilized Fragment of Cytochrome b5

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	LEU25
A	SER64
A	ALA67
A	SER71
A	HOH313
A	HOH372
A	TYR35
A	HIS39
A	GLY41
A	VAL45
A	LEU46
A	GLN49
A	PHE58
A	HIS63

---

Functional Information from PROSITE/UniProt

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

Chain	Residue	Details
A	TYR35-GLY42

---

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","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15299727","evidenceCode":"ECO:0000269"}]}

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

---