1O1K

Deoxy hemoglobin (A,C:V1M; B,D:V1M,V67W)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Hemoglobin Alpha chain	polymer	141	15182.4	2	UniProt (P69905) Pfam (PF00042) In PDB	Homo sapiens (human)	DEOXYHEMOGLOBIN ALPHA CHAIN
2	B, D	Hemoglobin Beta chain	polymer	146	16009.3	2	UniProt (P68871) Pfam (PF00042) In PDB	Homo sapiens (human)	DEOXYHEMOGLOBIN BETA CHAIN
3	A, B, C, D	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
4		water	water		18.0	202	Chemie (HOH)

Sequence modifications

A, C: 1 - 141 (UniProt: P69905)

PDB	External Database	Details
Met 1	Val 1	engineered mutation

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

PDB	External Database	Details
Met 1	Val 1	engineered mutation
Trp 67	Val 67	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	62383.5
Non-Polymers*	Number of molecules	4
	Total formula weight	2465.9
All*	Total formula weight	64849.5

*Water molecules are not included.