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4KU8

Structures of PKGI Reveal a cGMP-Selective Activation Mechanism

Functional Information from GO Data
ChainGOidnamespacecontents
A0004692molecular_functioncGMP-dependent protein kinase activity
A0005524molecular_functionATP binding
B0004692molecular_functioncGMP-dependent protein kinase activity
B0005524molecular_functionATP binding
C0004692molecular_functioncGMP-dependent protein kinase activity
C0005524molecular_functionATP binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GLY A 401
ChainResidue
AGLU226
AGLU229
APHE230
AHOH549
AHOH572

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GLY A 402
ChainResidue
AVAL346
AALA350
AHOH558
AHOH628

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GLY B 401
ChainResidue
AGLY217
ASER218
ALEU221
BARG297
BTHR298
BHOH534

Functional Information from PROSITE/UniProt
site_idPS00888
Number of Residues17
DetailsCNMP_BINDING_1 Cyclic nucleotide-binding domain signature 1. IIrQGArGDtFFIIskG
ChainResidueDetails
AILE263-GLY279

site_idPS00889
Number of Residues18
DetailsCNMP_BINDING_2 Cyclic nucleotide-binding domain signature 2. FGEkALqgedv......RTAnViA
ChainResidueDetails
APHE305-ALA322

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues120
DetailsRegion: {"description":"cGMP-binding, low affinity"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24239458","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25271401","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4KU7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4QXK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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