Structure of PDB 2exr Chain A

Receptor sequence
>2exrA (length=491) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
LNIQGEILCGGAAADIAGRDFGGMNCVKPLAVVRPVGPEDIAGAVKAALR
SDKLTVAARGNGHSINGQAMAEGGLVVDMSTTAENHFEVGYLSGGDATAF
VDVSGGALWEDVLKRCVSEYGLAPRSWTDYLGLTVGGTLSNAGVSGQAFR
YGPQTSNVTELDVVTGNGDVVTCSEIENSELFFSVLGGLGQFGIITRARV
LLQPAPDMVRWIRVVYTEFDEFTQDAEWLVSQKNESSFDYVEGFVFVNGA
DPVNGWPTVPLHPDHEFDPTRLPQSCGSVLYCLELGLHYRDSDSNSTIDK
RVERLIGRLRFNEGLRFEVDLPYVDFLLRVKRSEEIAKENGTWETPHPWL
NLFVSKRDIGDFNRTVFKELVKNGVNGPMLVYPLLRSRWDDRTSVVIPEE
GEIFYIVALLRFVPPCAKVSSVEKMVAQNQEIVHWCVKNGIDYKLYLPHY
KSQEEWIRHFGNRWSRFVDRKAMFDPMAILSPGQKIFNRSL
3D structure
PDB2exr Crystal structure of Arabidopsis thaliana cytokinin dehydrogenase.
ChainA
Resolution1.702 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H96 D162 E275
Catalytic site (residue number reindexed from 1) H63 D129 E242
Enzyme Commision number 1.5.99.12: cytokinin dehydrogenase.
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 FAD A F54 A91 G93 N94 G95 H96 S97 Q101 A102 T161 D162 Y163 L166 T167 G169 G170 S173 N174 G176 V177 I227 I228 W382 Y479 S514 F21 A58 G60 N61 G62 H63 S64 Q68 A69 T128 D129 Y130 L133 T134 G136 G137 S140 N141 G143 V144 I194 I195 W349 Y446 S481
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0016491 oxidoreductase activity
GO:0019139 cytokinin dehydrogenase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0071949 FAD binding
Biological Process
GO:0009690 cytokinin metabolic process
GO:0009823 cytokinin catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2exr, PDBe:2exr, PDBj:2exr
PDBsum2exr
PubMed17886275
UniProtQ9FUJ1|CKX7_ARATH Cytokinin dehydrogenase 7 (Gene Name=CKX7)

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