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5N8Y

KaiCBA circadian clock backbone model based on a Cryo-EM density

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000287molecular_functionmagnesium ion binding
A0003677molecular_functionDNA binding
A0004674molecular_functionprotein serine/threonine kinase activity
A0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0006351biological_processDNA-templated transcription
A0006355biological_processregulation of DNA-templated transcription
A0007623biological_processcircadian rhythm
A0009649biological_processentrainment of circadian clock
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0016787molecular_functionhydrolase activity
A0016887molecular_functionATP hydrolysis activity
A0042752biological_processregulation of circadian rhythm
A0042754biological_processnegative regulation of circadian rhythm
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0048511biological_processrhythmic process
A0070297biological_processregulation of phosphorelay signal transduction system
A0106310molecular_functionprotein serine kinase activity
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0003677molecular_functionDNA binding
B0004674molecular_functionprotein serine/threonine kinase activity
B0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0006351biological_processDNA-templated transcription
B0006355biological_processregulation of DNA-templated transcription
B0007623biological_processcircadian rhythm
B0009649biological_processentrainment of circadian clock
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0016787molecular_functionhydrolase activity
B0016887molecular_functionATP hydrolysis activity
B0042752biological_processregulation of circadian rhythm
B0042754biological_processnegative regulation of circadian rhythm
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
B0048511biological_processrhythmic process
B0070297biological_processregulation of phosphorelay signal transduction system
B0106310molecular_functionprotein serine kinase activity
C0000166molecular_functionnucleotide binding
C0000287molecular_functionmagnesium ion binding
C0003677molecular_functionDNA binding
C0004674molecular_functionprotein serine/threonine kinase activity
C0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
C0005515molecular_functionprotein binding
C0005524molecular_functionATP binding
C0006351biological_processDNA-templated transcription
C0006355biological_processregulation of DNA-templated transcription
C0007623biological_processcircadian rhythm
C0009649biological_processentrainment of circadian clock
C0016301molecular_functionkinase activity
C0016740molecular_functiontransferase activity
C0016787molecular_functionhydrolase activity
C0016887molecular_functionATP hydrolysis activity
C0042752biological_processregulation of circadian rhythm
C0042754biological_processnegative regulation of circadian rhythm
C0042802molecular_functionidentical protein binding
C0046872molecular_functionmetal ion binding
C0048511biological_processrhythmic process
C0070297biological_processregulation of phosphorelay signal transduction system
C0106310molecular_functionprotein serine kinase activity
D0000166molecular_functionnucleotide binding
D0000287molecular_functionmagnesium ion binding
D0003677molecular_functionDNA binding
D0004674molecular_functionprotein serine/threonine kinase activity
D0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
D0005515molecular_functionprotein binding
D0005524molecular_functionATP binding
D0006351biological_processDNA-templated transcription
D0006355biological_processregulation of DNA-templated transcription
D0007623biological_processcircadian rhythm
D0009649biological_processentrainment of circadian clock
D0016301molecular_functionkinase activity
D0016740molecular_functiontransferase activity
D0016787molecular_functionhydrolase activity
D0016887molecular_functionATP hydrolysis activity
D0042752biological_processregulation of circadian rhythm
D0042754biological_processnegative regulation of circadian rhythm
D0042802molecular_functionidentical protein binding
D0046872molecular_functionmetal ion binding
D0048511biological_processrhythmic process
D0070297biological_processregulation of phosphorelay signal transduction system
D0106310molecular_functionprotein serine kinase activity
E0000166molecular_functionnucleotide binding
E0000287molecular_functionmagnesium ion binding
E0003677molecular_functionDNA binding
E0004674molecular_functionprotein serine/threonine kinase activity
E0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
E0005515molecular_functionprotein binding
E0005524molecular_functionATP binding
E0006351biological_processDNA-templated transcription
E0006355biological_processregulation of DNA-templated transcription
E0007623biological_processcircadian rhythm
E0009649biological_processentrainment of circadian clock
E0016301molecular_functionkinase activity
E0016740molecular_functiontransferase activity
E0016787molecular_functionhydrolase activity
E0016887molecular_functionATP hydrolysis activity
E0042752biological_processregulation of circadian rhythm
E0042754biological_processnegative regulation of circadian rhythm
E0042802molecular_functionidentical protein binding
E0046872molecular_functionmetal ion binding
E0048511biological_processrhythmic process
E0070297biological_processregulation of phosphorelay signal transduction system
E0106310molecular_functionprotein serine kinase activity
F0000166molecular_functionnucleotide binding
F0000287molecular_functionmagnesium ion binding
F0003677molecular_functionDNA binding
F0004674molecular_functionprotein serine/threonine kinase activity
F0004712molecular_functionprotein serine/threonine/tyrosine kinase activity
F0005515molecular_functionprotein binding
F0005524molecular_functionATP binding
F0006351biological_processDNA-templated transcription
F0006355biological_processregulation of DNA-templated transcription
F0007623biological_processcircadian rhythm
F0009649biological_processentrainment of circadian clock
F0016301molecular_functionkinase activity
F0016740molecular_functiontransferase activity
F0016787molecular_functionhydrolase activity
F0016887molecular_functionATP hydrolysis activity
F0042752biological_processregulation of circadian rhythm
F0042754biological_processnegative regulation of circadian rhythm
F0042802molecular_functionidentical protein binding
F0046872molecular_functionmetal ion binding
F0048511biological_processrhythmic process
F0070297biological_processregulation of phosphorelay signal transduction system
F0106310molecular_functionprotein serine kinase activity
G0005515molecular_functionprotein binding
G0005737cellular_componentcytoplasm
G0005886cellular_componentplasma membrane
G0007623biological_processcircadian rhythm
G0009649biological_processentrainment of circadian clock
G0042326biological_processnegative regulation of phosphorylation
G0042752biological_processregulation of circadian rhythm
G0042802molecular_functionidentical protein binding
G0048511biological_processrhythmic process
H0005515molecular_functionprotein binding
H0005737cellular_componentcytoplasm
H0005886cellular_componentplasma membrane
H0007623biological_processcircadian rhythm
H0009649biological_processentrainment of circadian clock
H0042326biological_processnegative regulation of phosphorylation
H0042752biological_processregulation of circadian rhythm
H0042802molecular_functionidentical protein binding
H0048511biological_processrhythmic process
I0005515molecular_functionprotein binding
I0005737cellular_componentcytoplasm
I0005886cellular_componentplasma membrane
I0007623biological_processcircadian rhythm
I0009649biological_processentrainment of circadian clock
I0042326biological_processnegative regulation of phosphorylation
I0042752biological_processregulation of circadian rhythm
I0042802molecular_functionidentical protein binding
I0048511biological_processrhythmic process
J0005515molecular_functionprotein binding
J0005737cellular_componentcytoplasm
J0005886cellular_componentplasma membrane
J0007623biological_processcircadian rhythm
J0009649biological_processentrainment of circadian clock
J0042326biological_processnegative regulation of phosphorylation
J0042752biological_processregulation of circadian rhythm
J0042802molecular_functionidentical protein binding
J0048511biological_processrhythmic process
K0005515molecular_functionprotein binding
K0005737cellular_componentcytoplasm
K0005886cellular_componentplasma membrane
K0007623biological_processcircadian rhythm
K0009649biological_processentrainment of circadian clock
K0042326biological_processnegative regulation of phosphorylation
K0042752biological_processregulation of circadian rhythm
K0042802molecular_functionidentical protein binding
K0048511biological_processrhythmic process
L0005515molecular_functionprotein binding
L0005737cellular_componentcytoplasm
L0005886cellular_componentplasma membrane
L0007623biological_processcircadian rhythm
L0009649biological_processentrainment of circadian clock
L0042326biological_processnegative regulation of phosphorylation
L0042752biological_processregulation of circadian rhythm
L0042802molecular_functionidentical protein binding
L0048511biological_processrhythmic process
M0005515molecular_functionprotein binding
M0006468biological_processprotein phosphorylation
M0007623biological_processcircadian rhythm
M0009649biological_processentrainment of circadian clock
M0042753biological_processpositive regulation of circadian rhythm
M0042802molecular_functionidentical protein binding
M0048511biological_processrhythmic process
M0051776biological_processdetection of redox state
N0005515molecular_functionprotein binding
N0006468biological_processprotein phosphorylation
N0007623biological_processcircadian rhythm
N0009649biological_processentrainment of circadian clock
N0042753biological_processpositive regulation of circadian rhythm
N0042802molecular_functionidentical protein binding
N0048511biological_processrhythmic process
N0051776biological_processdetection of redox state
O0005515molecular_functionprotein binding
O0006468biological_processprotein phosphorylation
O0007623biological_processcircadian rhythm
O0009649biological_processentrainment of circadian clock
O0042753biological_processpositive regulation of circadian rhythm
O0042802molecular_functionidentical protein binding
O0048511biological_processrhythmic process
O0051776biological_processdetection of redox state
P0005515molecular_functionprotein binding
P0006468biological_processprotein phosphorylation
P0007623biological_processcircadian rhythm
P0009649biological_processentrainment of circadian clock
P0042753biological_processpositive regulation of circadian rhythm
P0042802molecular_functionidentical protein binding
P0048511biological_processrhythmic process
P0051776biological_processdetection of redox state
Q0005515molecular_functionprotein binding
Q0006468biological_processprotein phosphorylation
Q0007623biological_processcircadian rhythm
Q0009649biological_processentrainment of circadian clock
Q0042753biological_processpositive regulation of circadian rhythm
Q0042802molecular_functionidentical protein binding
Q0048511biological_processrhythmic process
Q0051776biological_processdetection of redox state
R0005515molecular_functionprotein binding
R0006468biological_processprotein phosphorylation
R0007623biological_processcircadian rhythm
R0009649biological_processentrainment of circadian clock
R0042753biological_processpositive regulation of circadian rhythm
R0042802molecular_functionidentical protein binding
R0048511biological_processrhythmic process
R0051776biological_processdetection of redox state
S0005515molecular_functionprotein binding
S0006468biological_processprotein phosphorylation
S0007623biological_processcircadian rhythm
S0009649biological_processentrainment of circadian clock
S0042753biological_processpositive regulation of circadian rhythm
S0042802molecular_functionidentical protein binding
S0048511biological_processrhythmic process
S0051776biological_processdetection of redox state
T0005515molecular_functionprotein binding
T0006468biological_processprotein phosphorylation
T0007623biological_processcircadian rhythm
T0009649biological_processentrainment of circadian clock
T0042753biological_processpositive regulation of circadian rhythm
T0042802molecular_functionidentical protein binding
T0048511biological_processrhythmic process
T0051776biological_processdetection of redox state
U0005515molecular_functionprotein binding
U0006468biological_processprotein phosphorylation
U0007623biological_processcircadian rhythm
U0009649biological_processentrainment of circadian clock
U0042753biological_processpositive regulation of circadian rhythm
U0042802molecular_functionidentical protein binding
U0048511biological_processrhythmic process
U0051776biological_processdetection of redox state
V0005515molecular_functionprotein binding
V0006468biological_processprotein phosphorylation
V0007623biological_processcircadian rhythm
V0009649biological_processentrainment of circadian clock
V0042753biological_processpositive regulation of circadian rhythm
V0042802molecular_functionidentical protein binding
V0048511biological_processrhythmic process
V0051776biological_processdetection of redox state
W0005515molecular_functionprotein binding
W0006468biological_processprotein phosphorylation
W0007623biological_processcircadian rhythm
W0009649biological_processentrainment of circadian clock
W0042753biological_processpositive regulation of circadian rhythm
W0042802molecular_functionidentical protein binding
W0048511biological_processrhythmic process
W0051776biological_processdetection of redox state
X0005515molecular_functionprotein binding
X0006468biological_processprotein phosphorylation
X0007623biological_processcircadian rhythm
X0009649biological_processentrainment of circadian clock
X0042753biological_processpositive regulation of circadian rhythm
X0042802molecular_functionidentical protein binding
X0048511biological_processrhythmic process
X0051776biological_processdetection of redox state
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues42
DetailsRegion: {"description":"B-loop, required to bind KaiB and SasA","evidences":[{"source":"UniProtKB","id":"Q79V60","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues72
DetailsRegion: {"description":"Linker","evidences":[{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsActive site: {"description":"Proton acceptor in CI (KaiC 1)","evidences":[{"source":"PubMed","id":"22304631","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsActive site: {"description":"Proton acceptor in CII (KaiC 2)","evidences":[{"source":"PubMed","id":"22304631","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues150
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16628225","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22304631","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1TF7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2GBL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DUG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PDB","id":"4DUG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4TL6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7DXQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16628225","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1TF7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2GBL","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16628225","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1U9I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2GBL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DUG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7DXQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16628225","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsModified residue: {"description":"Phosphoserine; by autocatalysis","evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15347809","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15347812","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17717528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17916691","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1U9I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2GBL","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues6
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"HAMAP-Rule","id":"MF_01836","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15304218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15347809","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15347812","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17717528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17916691","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1U9I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2GBL","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues648
DetailsDomain: {"description":"KaiA C-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00761","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15007067","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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