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4QNJ

The structure of wt A. thaliana IGPD2 in complex with Mn2+ and formate at 1.3A resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Imidazoleglycerol-phosphate dehydratase 2, chloroplasticpolymer20522391.11UniProt (O23346)
Pfam (PF00475)
Arabidopsis thaliana (mouse-ear cress)IGPD 2, Protein HISTIDINE BIOSYNTHESIS 5B
2B, C
(A)
MANGANESE (II) IONnon-polymer54.92Chemie (MN)
3D
(A)
FORMIC ACIDnon-polymer46.01Chemie (FMT)
4E
(A)
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOLnon-polymer122.11Chemie (TRS)
5F
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
6G
(A)
waterwater18.0218Chemie (HOH)
Sequence modifications
A: 4 - 207 (UniProt: O23346)
PDBExternal DatabaseDetails
Met 3-initiating methionine
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight22391.1
Non-Polymers*Number of molecules5
Total formula weight313.5
All*Total formula weight22704.6
*Water molecules are not included.

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PDB entries from 2026-03-18

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