Structure of PDB 3uc3 Chain A

Receptor sequence
>3uc3A (length=272) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
LDMPIMHDSDRYDFVKDIGSGNFGVARLMRDKLTKELVAVKYIERGAAID
ENVQREIINHRSLRHPNIVRFKEVILTPTHLAIIMEYASGGELYERICNA
GRFSEDEARFFFQQLLSGVSYCHSMQICHRDLKLENTLLDGSPAPRLKIC
DFGYSPAYIAPEVLLRQEYDGKIADVWSCGVTLYVMLVGAYPFEPRDYRK
TIQRILSVKYSIPDDIRISPECCHLISRIFVADPATRISIPEIKTHSWFL
KNLPADQSLDTIMQIISEATIP
3D structure
PDB3uc3 Structural basis for basal activity and autoactivation of abscisic acid (ABA) signaling SnRK2 kinases.
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D141 K143 N146 D161
Catalytic site (residue number reindexed from 1) D131 K133 N136 D151
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CO A Q136 I137 C138 Q126 I127 C128
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016301 kinase activity
GO:0044024 histone H2AS1 kinase activity
GO:0106310 protein serine kinase activity
Biological Process
GO:0006338 chromatin remodeling
GO:0006468 protein phosphorylation
GO:0006970 response to osmotic stress
GO:0009414 response to water deprivation
GO:0009651 response to salt stress
GO:0009737 response to abscisic acid
GO:0009738 abscisic acid-activated signaling pathway
GO:0009739 response to gibberellin
GO:0010029 regulation of seed germination
GO:0016310 phosphorylation
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0009536 plastid

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Molecular Function
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Cellular Component
External links
PDB RCSB:3uc3, PDBe:3uc3, PDBj:3uc3
PDBsum3uc3
PubMed22160701
UniProtQ39193|SRK2I_ARATH Serine/threonine-protein kinase SRK2I (Gene Name=SRK2I)

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