Structure of PDB 7x1z Chain A

Receptor sequence
>7x1zA (length=484) Species: 32046 (Synechococcus elongatus) [Search protein sequence]
EHQAIAKMRTMIEGFDDISHGGLPIGRSTLVSGTSGTGKTLFSIQFLYNG
IIEFDEPGVFVTFEETPQDIIKNARSFGWDLAKLVDEGKLFILDASPDPE
GQEVVGGFDLSALIERINYAIQKYRARRVSIDSVTSVFQQYDASSVVRRE
LFRLVARLKQIGATTVMTTERIEEYGPIARYGVEEFVSDNVVILRNVLEG
ERRRRTLEILKLRGTSHMKGEYPFTITDHGINIFPLGAMRLTQRSSNVRV
SSGVVRLDEMCGGGFFKDSIILATGATGTGKTLLVSRFVENACANKERAI
LFAYEESRAQLLRNAYSWGMDFEEMERQNLLKIVCAYPESAGLEDHLQII
KSEINDFKPARIAIDSLSALARGVSNNAFRQFVIGVTGYAKQEEITGLFT
NTSDQFMGAHSITDSHIEEITDTIILLQYVEIRGEMSRAINVFKMRGSWH
DKAIREFMISDKGPDIKDSFRNFERIISGSPTRI
3D structure
PDB7x1z A cooperative switch within the KaiC hexamer revealed by cryo-EM
ChainA
Resolution3.3 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
3.6.4.-
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 ATP A G291 T292 G293 K294 T295 S330 W331 R451 G278 T279 G280 K281 T282 S317 W318 R438
BS02 ATP A G49 T50 G51 K52 T53 L54 F90 I239 G36 T37 G38 K39 T40 L41 F77 I226
BS03 MG A T295 D378 T282 D365
BS04 ATP A E432 M458 S461 H463 E419 M445 S448 H450
BS05 ATP A K224 R226 T228 S229 H230 K211 R213 T215 S216 H217
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003677 DNA binding
GO:0004674 protein serine/threonine kinase activity
GO:0004712 protein serine/threonine/tyrosine kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016787 hydrolase activity
GO:0016887 ATP hydrolysis activity
GO:0042802 identical protein binding
GO:0044024 histone H2AS1 kinase activity
GO:0046872 metal ion binding
GO:0106310 protein serine kinase activity
Biological Process
GO:0006338 chromatin remodeling
GO:0006355 regulation of DNA-templated transcription
GO:0007623 circadian rhythm
GO:0009649 entrainment of circadian clock
GO:0016310 phosphorylation
GO:0042752 regulation of circadian rhythm
GO:0042754 negative regulation of circadian rhythm
GO:0048511 rhythmic process
GO:0070297 regulation of phosphorelay signal transduction system

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:7x1z, PDBe:7x1z, PDBj:7x1z
PDBsum7x1z
PubMed
UniProtQ79PF4|KAIC_SYNE7 Circadian clock oscillator protein KaiC (Gene Name=kaiC)

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