8PPC

Human inositol 1,4,5-trisphosphate 3-kinase A (IP3K) catalytic domain in complex with L-chiro-inositol 2,3,5-trisphosphate/ATP/Mn

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Inositol-trisphosphate 3-kinase A	polymer	279	31877.3	2	UniProt (P23677) Pfam (PF03770) In PDB	Homo sapiens (human)	Inositol 1,4,5-trisphosphate 3-kinase A,IP3 3-kinase A,IP3K A,InsP 3-kinase A
2	A, B	L-chiro-inositol 2,3,5-trisphosphate	non-polymer		420.1	2	Chemie (2KM)
3	A, B	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
4	A, B	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
5	A, B	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
6		water	water		18.0	273	Chemie (HOH)

Sequence modifications

A, B: 188 - 461 (UniProt: P23677)

PDB	External Database	Details
Gly 183	-	expression tag
Ser 184	-	expression tag
His 185	-	expression tag
Met 186	-	expression tag
Ser 187	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	63754.5
Non-Polymers*	Number of molecules	12
	Total formula weight	2540.8
All*	Total formula weight	66295.3

*Water molecules are not included.