4U8U

The Crystallographic structure of the giant hemoglobin from Glossoscolex paulistus at 3.2 A resolution.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E, EA, I, IA... (A, E, I, P, T...)	Globin a chain	polymer	150	17235.4	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX5)	Glossoscolex paulistus
2	B, F, FA, J, JA... (B, F, J, Q, U...)	Globin b Chain	polymer	142	16248.3	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX6)	Glossoscolex paulistus
3	C, G, GA, K, KA... (C, G, K, R, V...)	Globin c Chain	polymer	151	16943.5	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX7)	Glossoscolex paulistus
4	AA, D, H, HA, L... (D, H, L, S, W...)	Globin d Chain	polymer	141	16124.3	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX8)	Glossoscolex paulistus
5	BA, M, QA (M, b, q)	Linker L1	polymer	224	25654.5	3	Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKX9)	Glossoscolex paulistus
6	CA, N, RA (N, c, r)	Linker L2	polymer	236	26777.2	3	Pfam (PF00057) Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKY0)	Glossoscolex paulistus
7	DA, O, SA (O, d, s)	Linker L3	polymer	218	24733.2	3	Pfam (PF00057) Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKY1)	Glossoscolex paulistus
8	BB, BC, CD, DB, DC... (E, R, e, F, S...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	36	Chemie (HEM)
9	AB, AC, CB, CC, DD... (D, Q, E, R, e...)	CYANIDE ION	non-polymer		26.0	36	Chemie (CYN)
10	AE, BE, CE, RB, SB... (q, r, s, M, N...)	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
11	AD, DE, UB, VB, XC... (d, s, O, c)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
12	BD, EE, WB (d, s, O)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)
13	FE, GE, HE, IE, JE (O, c, d, r, s)	water	water		18.0	6	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	45
	Total formula weight	830457.7
Non-Polymers*	Number of molecules	90
	Total formula weight	24546.9
All*	Total formula weight	855004.6

*Water molecules are not included.