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, I, P, T...	Globin a chain	polymer	150	17235.4	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX5) In PDB	Glossoscolex paulistus
2	B, F, J, Q, U...	Globin b Chain	polymer	142	16248.3	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX6) In PDB	Glossoscolex paulistus
3	C, G, K, R, V...	Globin c Chain	polymer	151	16943.5	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX7) In PDB	Glossoscolex paulistus
4	D, H, L, S, W...	Globin d Chain	polymer	141	16124.3	9	Pfam (PF00042) UniProt (by SIFTS) (A0A0M3KKX8) In PDB	Glossoscolex paulistus
5	M, b, q	Linker L1	polymer	224	25654.5	3	Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKX9) In PDB	Glossoscolex paulistus
6	N, c, r	Linker L2	polymer	236	26777.2	3	Pfam (PF00057) Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKY0) In PDB	Glossoscolex paulistus
7	O, d, s	Linker L3	polymer	218	24733.2	3	Pfam (PF00057) Pfam (PF16915) UniProt (by SIFTS) (A0A0M3KKY1) In PDB	Glossoscolex paulistus
8	E, R, e, F, S...	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	36	Chemie (HEM)
9	D, Q, E, R, e...	CYANIDE ION	non-polymer		26.0	36	Chemie (CYN)
10	q, r, s, M, N...	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
11	d, s, O, c	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
12	d, s, O	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)
13		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.