1UC3

Crystal Structure of hemoglobin I from river lamprey

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Globin	polymer	149	16292.7	12	UniProt (P02207) Pfam (PF00042)	Lampetra fluviatilis (European river lamprey)	HemoglobinI
2	M, N, O, P, Q... (A, B, C, D, E...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	12	Chemie (HEM)
3	AA, BA, CA, DA, EA... (C, D, E, F, G...)	water	water		18.0	866	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	195512.3
Non-Polymers*	Number of molecules	12
	Total formula weight	7397.8
All*	Total formula weight	202910.2

*Water molecules are not included.