1X9F

Hemoglobin Dodecamer from Lumbricus Erythrocruorin

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 (A, E, I)	Globin IV, extracellular	polymer	151	17567.0	3	UniProt (P13579) Pfam (PF00042)	Lumbricus terrestris (common earthworm)	Erythrocruorin, Globin A
2	B, F, J (B, F, J)	Globin II, extracellular	polymer	145	16268.2	3	UniProt (P02218) Pfam (PF00042)	Lumbricus terrestris (common earthworm)	Erythrocruorin; Globin AIII; Globin B
3	C, G, K (C, G, K)	Globin III, extracellular	polymer	153	17331.8	3	UniProt (P11069) Pfam (PF00042)	Lumbricus terrestris (common earthworm)	Erythrocruorin; Globin C
4	D, H, L (D, H, L)	hemoglobin chain d1	polymer	140	15988.3	3	UniProt (O61233) Pfam (PF00042)	Lumbricus terrestris (common earthworm)
5	AA, CA, EA, GA, JA... (G, H, I, J, K...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	12	Chemie (HEM)
6	BA, DA, FA, HA, KA... (G, H, I, J, K...)	CARBON MONOXIDE	non-polymer		28.0	12	Chemie (CMO)
7	IA, Q, Z (K, C, G)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
8	NA, OA, PA, QA, RA... (A, B, C, D, E...)	water	water		18.0	264	Chemie (HOH)

Sequence modifications

A, E, I: 1 - 151 (UniProt: P13579)

PDB	External Database	Details
Lys 78	Asp 78	conflict

B, F, J: 1 - 145 (UniProt: P02218)

PDB	External Database	Details
Asp 66	Glu 66	conflict

C, G, K: 1 - 153 (UniProt: P11069)

PDB	External Database	Details
Glu 49	Asp 66	conflict

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	201465.8
Non-Polymers*	Number of molecules	27
	Total formula weight	8018.9
All*	Total formula weight	209484.7

*Water molecules are not included.