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2GTL

Lumbricus Erythrocruorin at 3.5A resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, E, I
(A, E, I)
Extracellular globin 4polymer15117567.03UniProt (P13579)
Pfam (PF00042)
Lumbricus terrestris (common earthworm)Globin IV, Erythrocruorin, Globin A
2B, F, J
(B, F, J)
Extracellular globin 2polymer14516268.23UniProt (P02218)
Pfam (PF00042)
Lumbricus terrestris (common earthworm)Globin II, Erythrocruorin, Globin AIII, Globin B
3C, G, K
(C, G, K)
Extracellular globin-3polymer15317331.83UniProt (P11069)
Pfam (PF00042)
Lumbricus terrestris (common earthworm)Extracellular globin III, Erythrocruorin, Globin C
4D, H, L
(D, H, L)
Hemoglobin chain d1polymer14015988.33UniProt (O61233)
Pfam (PF00042)
Lumbricus terrestris (common earthworm)
5M
(M)
Hemoglobin linker chain L1polymer21724936.71UniProt (Q9GV76)
Pfam (PF00057)
Pfam (PF16915)
Lumbricus terrestris (common earthworm)
6N
(N)
Extracellular hemoglobin linker L2 subunitpolymer22025057.01UniProt (Q2I743)
Pfam (PF00057)
Pfam (PF16915)
Lumbricus terrestris (common earthworm)
7O
(O)
Extracellular hemoglobin linker L3 subunitpolymer21524486.01UniProt (Q2I742)
Pfam (PF16915)
Pfam (PF00057)
Lumbricus terrestris (common earthworm)
8BA, DA, FA, HA, JA...
(G, H, I, J, K...)
CARBON MONOXIDEnon-polymer28.012Chemie (CMO)
9AA, CA, EA, GA, IA...
(F, G, H, I, J...)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.512Chemie (HEM)
10NA, OA, QA, RA
(M, N, O)
CALCIUM IONnon-polymer40.14Chemie (CA)
11PA
(M)
ZINC IONnon-polymer65.41Chemie (ZN)
Sequence modifications
A, E, I: 1 - 151 (UniProt: P13579)
PDBExternal DatabaseDetails
Lys 78Asp 78conflict
B, F, J: 1 - 145 (UniProt: P02218)
PDBExternal DatabaseDetails
Asp 66Glu 66conflict
C, G, K: 1 - 153 (UniProt: P11069)
PDBExternal DatabaseDetails
Glu 49Asp 66conflict
O: 8 - 222 (UniProt: Q2I742)
PDBExternal DatabaseDetails
Cys 113Val 131conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains15
Total formula weight275945.6
Non-Polymers*Number of molecules29
Total formula weight7959.7
All*Total formula weight283905.3
*Water molecules are not included.

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PDB entries from 2025-10-22

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