Structure of PDB 7x1y Chain E

Receptor sequence
>7x1yE (length=458) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805) [Search protein sequence]
EHQAIAKMRTMIEGFDDISHGGLPIGRSTLVSGTSGTGKTLFSIQFLYNG
IIEFDEPGVFVTFEETPQDIIKNARSFGWDLAKLVDEGKLFILDASPDPE
GQEVVGGFDLSALIERINYAIQKYRARRVSIDSVTSVFQQYDASSVVRRE
LFRLVARLKQIGATTVMTTERIEEYGPIARYGVEEFVSDNVVILRNVLEG
ERRRRTLEILKLRGTSHMKGEYPFTITDHGINIFPLGAMRLTQRSSNVRV
SSGVVRLDEMCGGGFFKDSIILATGATGTGKTLLVSRFVENACANKERAI
LFAYEESRAQLLRNAYSWGMDFEEMERQNLLKIVCAYPESAGLEDHLQII
KSEINDFKPARIAIDSLSALARGVSNNAFRQFVIGVTGYAKQEEITGLFT
NTSIAAITDTIILLQYVEIRGEMSRAINVFKMRGSWHDKAIREFMISDKG
PDIKDSFR
3D structure
PDB7x1y A cooperative switch within the KaiC hexamer revealed by cryo-EM
ChainE
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 E M458 G460 H463 M432 G434 H437
BS02 ATP E K224 L225 R226 T228 H230 K211 L212 R213 T215 H217
BS03 ATP E G291 T292 G293 K294 T295 W331 R451 I472 G278 T279 G280 K281 T282 W318 R425 I446
BS04 ATP E G49 K52 T53 L54 F90 G36 K39 T40 L41 F77
BS05 MG E T295 D378 T282 D365
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:7x1y, PDBe:7x1y, PDBj:7x1y
PDBsum7x1y
PubMed
UniProtQ79PF4|KAIC_SYNE7 Circadian clock oscillator protein KaiC (Gene Name=kaiC)

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