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4AQK

Inositol 1,3,4,5,6-pentakisphosphate 2-kinase in complex with ADP and IP6

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0010264biological_processmyo-inositol hexakisphosphate biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0030643biological_processintracellular phosphate ion homeostasis
A0032942molecular_functioninositol-1,4,5,6-tetrakisphosphate 2-kinase activity
A0032958biological_processinositol phosphate biosynthetic process
A0035299molecular_functioninositol-1,3,4,5,6-pentakisphosphate 2-kinase activity
A0042742biological_processdefense response to bacterium
A0046872molecular_functionmetal ion binding
A0048527biological_processlateral root development
A0050832biological_processdefense response to fungus
A0051607biological_processdefense response to virus
A0055062biological_processphosphate ion homeostasis
A0102731molecular_functioninositol-1,3,4,6-tetrakisphosphate 2-kinase activity
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE IHP A 500
ChainResidue
AGLY19
AASP407
ALYS411
AARG415
ATYR419
AADP600
AMG800
AHOH2043
AGLY20
AALA21
AARG130
ALYS170
AHIS196
ALYS200
AASN238
AASP368

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE ADP A 600
ChainResidue
AGLY19
AGLY20
AALA21
AASN22
AVAL24
AVAL38
AARG40
AASN147
AASP148
AHIS149
AGLU166
AARG241
AMET372
AASP407
AIHP500
AMG800
AHOH2060

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 700
ChainResidue
AHIS320
ACYS330
ACYS333
AHIS346

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 800
ChainResidue
AASP407
ASER409
AIHP500
AADP600

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsMotif: {"description":"EXKPK motif"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20453199","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22745128","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20453199","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22362712","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22684075","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"22745128","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"22745128","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PDB","id":"2XAL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3UDT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3UDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AQK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4LV7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"2XAL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XAR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3UDT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AQK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4AXF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4LV7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"PubMed","id":"22223895","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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