1C7D

DEOXY RHB1.2 (RECOMBINANT HEMOGLOBIN)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	PROTEIN (DEOXYHEMOGLOBIN (ALPHA CHAIN))	polymer	284	30428.9	1	UniProt (P69905) Pfam (PF00042) In PDB	Homo sapiens (human)
2	B, D	PROTEIN (DEOXYHEMOGLOBIN (BETA CHAIN))	polymer	146	15937.3	2	UniProt (P68871) Pfam (PF00042) In PDB	Homo sapiens (human)
3	A, B, D	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
4		water	water		18.0	244	Chemie (HOH)

Sequence modifications

A: 1 - 141 (UniProt: P69905)

PDB	External Database	Details
Met 1	Val 1	engineered mutation

A: 144 - 284 (UniProt: P69905)

PDB	External Database	Details
Gly 142	-	SEE REMARK 999
Gly 143	-	SEE REMARK 999

B, D: 1 - 146 (UniProt: P68871)

PDB	External Database	Details
Met 1	Val 1	engineered mutation
Lys 108	Asn 108	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	62303.6
Non-Polymers*	Number of molecules	4
	Total formula weight	2465.9
All*	Total formula weight	64769.5

*Water molecules are not included.