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8PPA

Human inositol 1,4,5-trisphosphate 3-kinase A (IP3K) catalytic domain in complex with D-myo-inositol 1,4,6-trisphosphate/AMP-PNP/Mn

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Inositol-trisphosphate 3-kinase Apolymer27931877.32UniProt (P23677)
Pfam (PF03770)
Homo sapiens (human)Inositol 1,4,5-trisphosphate 3-kinase A,IP3 3-kinase A,IP3K A,InsP 3-kinase A
2C, J
(A, B)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.22Chemie (ANP)
3D, K
(A, B)
D-myo-inositol 1,4,6-trisphosphatenon-polymer420.12Chemie (06G)
4E, F, G, L, M...
(A, B)
SULFATE IONnon-polymer96.16Chemie (SO4)
5H, I
(A)
MANGANESE (II) IONnon-polymer54.92Chemie (MN)
6O, P
(A, B)
waterwater18.0371Chemie (HOH)
Sequence modifications
A, B: 188 - 461 (UniProt: P23677)
PDBExternal DatabaseDetails
Gly 183-expression tag
Ser 184-expression tag
His 185-expression tag
Met 186-expression tag
Ser 187-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight63754.5
Non-Polymers*Number of molecules12
Total formula weight2538.8
All*Total formula weight66293.4
*Water molecules are not included.

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PDB entries from 2025-06-18

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