6G5B

Heme-carbene complex in myoglobin H64V/V68A containing an N-methylhistidine as the proximal ligand, 1.6 angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Myoglobin	polymer	163	18342.2	1	UniProt (P02185) Pfam (PF00042)	Physeter catodon (Sperm whale)
2	B (A)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
3	C (A)	ETHYL ACETATE	non-polymer		88.1	1	Chemie (EEE)
4	D (A)	water	water		18.0	153	Chemie (HOH)

Sequence modifications

A: 1000 - 1153 (UniProt: P02185)

PDB	External Database	Details
Val 1064	His 65	engineered mutation
Ala 1068	Val 69	engineered mutation
Gly 1154	-	expression tag
Ser 1155	-	expression tag
Gly 1156	-	expression tag
His 1157	-	expression tag
His 1158	-	expression tag
His 1159	-	expression tag
His 1160	-	expression tag
His 1161	-	expression tag
His 1162	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	18342.2
Non-Polymers*	Number of molecules	2
	Total formula weight	704.6
All*	Total formula weight	19046.8

*Water molecules are not included.