1Y0D

T-to-THigh Quaternary Transitions in Human Hemoglobin: desArg141alpha deoxy low-salt

Replaces:  1DSH

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	140	14993.2	2	UniProt (P69905) Pfam (PF00042) In PDB	Homo sapiens (human)
2	B, D	Hemoglobin beta chain	polymer	146	15890.2	2	UniProt (P68871) Pfam (PF00042) In PDB	Homo sapiens (human)
3	A, B, C, D	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
4		water	water		18.0	194	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	61766.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2465.9
All*	Total formula weight	64232.7

*Water molecules are not included.