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3A1S

Crystal structue of the cytosolic domain of T. maritima FeoB iron iransporter in GDP form I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Iron(II) transport protein Bpolymer25829465.32UniProt (Q9WXQ8)
Pfam (PF02421)
Pfam (PF17910)
Thermotoga maritima
2C, H
(A, B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.22Chemie (GDP)
PubChem (136073927)
PubChem (135398619)
PubChem (135402030)
PubChem (135431654)
PubChem (135566337)
PubChem (135760556)
PubChem (136026707)
PubChem (136053418)
PubChem (136663964)
PubChem (136664748)
PubChem (136759848)
PubChem (136759849)
PubChem (136759850)
PubChem (136836636)
PubChem (136847074)
PubChem (172898537)
3D, E
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
4F
(A)
(4R)-2-METHYLPENTANE-2,4-DIOLnon-polymer118.21Chemie (MRD)
PubChem (7870)
PubChem (5288834)
PubChem (5288845)
5G, I
(A, B)
(4S)-2-METHYL-2,4-PENTANEDIOLnon-polymer118.22Chemie (MPD)
6J, K
(A, B)
waterwater18.0539Chemie (HOH)
Sequence modifications
A, B: 17 - 269 (UniProt: Q9WXQ8)
PDBExternal DatabaseDetails
Gly 12-expression tag
Pro 13-expression tag
Leu 14-expression tag
His 15-expression tag
Mse 16-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight58930.6
Non-Polymers*Number of molecules7
Total formula weight1289.5
All*Total formula weight60220.2
*Water molecules are not included.

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PDB entries from 2026-04-08

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