6LTM

The dimeric structure of G80A/H81A/H82A myoglobin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Myoglobin	polymer	153	16863.4	2	UniProt (P68082) Pfam (PF00042)	Equus caballus (Horse)
2	C, D (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	E, F (A, B)	water	water		18.0	133	Chemie (HOH)

Sequence modifications

A, B: 1 - 153 (UniProt: P68082)

PDB	External Database	Details
Ala 80	Gly 81	engineered mutation
Ala 81	His 82	engineered mutation
Ala 82	His 83	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33726.8
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	34959.8

*Water molecules are not included.