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9PIO

Cryo-EM structure of the ClpXP AAA+ protease bound to lambdaO-tagged Arc in a recognition complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0006457biological_processprotein folding
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008270molecular_functionzinc ion binding
A0009376cellular_componentHslUV protease complex
A0016787molecular_functionhydrolase activity
A0016887molecular_functionATP hydrolysis activity
A0046872molecular_functionmetal ion binding
A0046983molecular_functionprotein dimerization activity
A0051082molecular_functionunfolded protein binding
A0051301biological_processcell division
A0051603biological_processproteolysis involved in protein catabolic process
B0000166molecular_functionnucleotide binding
B0005524molecular_functionATP binding
B0006457biological_processprotein folding
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008270molecular_functionzinc ion binding
B0009376cellular_componentHslUV protease complex
B0016787molecular_functionhydrolase activity
B0016887molecular_functionATP hydrolysis activity
B0046872molecular_functionmetal ion binding
B0046983molecular_functionprotein dimerization activity
B0051082molecular_functionunfolded protein binding
B0051301biological_processcell division
B0051603biological_processproteolysis involved in protein catabolic process
C0000166molecular_functionnucleotide binding
C0005524molecular_functionATP binding
C0006457biological_processprotein folding
C0006508biological_processproteolysis
C0008233molecular_functionpeptidase activity
C0008270molecular_functionzinc ion binding
C0009376cellular_componentHslUV protease complex
C0016787molecular_functionhydrolase activity
C0016887molecular_functionATP hydrolysis activity
C0046872molecular_functionmetal ion binding
C0046983molecular_functionprotein dimerization activity
C0051082molecular_functionunfolded protein binding
C0051301biological_processcell division
C0051603biological_processproteolysis involved in protein catabolic process
D0000166molecular_functionnucleotide binding
D0005524molecular_functionATP binding
D0006457biological_processprotein folding
D0006508biological_processproteolysis
D0008233molecular_functionpeptidase activity
D0008270molecular_functionzinc ion binding
D0009376cellular_componentHslUV protease complex
D0016787molecular_functionhydrolase activity
D0016887molecular_functionATP hydrolysis activity
D0046872molecular_functionmetal ion binding
D0046983molecular_functionprotein dimerization activity
D0051082molecular_functionunfolded protein binding
D0051301biological_processcell division
D0051603biological_processproteolysis involved in protein catabolic process
E0000166molecular_functionnucleotide binding
E0005524molecular_functionATP binding
E0006457biological_processprotein folding
E0006508biological_processproteolysis
E0008233molecular_functionpeptidase activity
E0008270molecular_functionzinc ion binding
E0009376cellular_componentHslUV protease complex
E0016787molecular_functionhydrolase activity
E0016887molecular_functionATP hydrolysis activity
E0046872molecular_functionmetal ion binding
E0046983molecular_functionprotein dimerization activity
E0051082molecular_functionunfolded protein binding
E0051301biological_processcell division
E0051603biological_processproteolysis involved in protein catabolic process
F0000166molecular_functionnucleotide binding
F0005524molecular_functionATP binding
F0006457biological_processprotein folding
F0006508biological_processproteolysis
F0008233molecular_functionpeptidase activity
F0008270molecular_functionzinc ion binding
F0009376cellular_componentHslUV protease complex
F0016787molecular_functionhydrolase activity
F0016887molecular_functionATP hydrolysis activity
F0046872molecular_functionmetal ion binding
F0046983molecular_functionprotein dimerization activity
F0051082molecular_functionunfolded protein binding
F0051301biological_processcell division
F0051603biological_processproteolysis involved in protein catabolic process
G0003677molecular_functionDNA binding
G0043565molecular_functionsequence-specific DNA binding
H0004176molecular_functionATP-dependent peptidase activity
H0004252molecular_functionserine-type endopeptidase activity
H0005515molecular_functionprotein binding
H0005737cellular_componentcytoplasm
H0005829cellular_componentcytosol
H0006508biological_processproteolysis
H0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
H0008233molecular_functionpeptidase activity
H0008236molecular_functionserine-type peptidase activity
H0009266biological_processresponse to temperature stimulus
H0009314biological_processresponse to radiation
H0009368cellular_componentendopeptidase Clp complex
H0009376cellular_componentHslUV protease complex
H0009408biological_processresponse to heat
H0010498biological_processproteasomal protein catabolic process
H0016020cellular_componentmembrane
H0016787molecular_functionhydrolase activity
H0042802molecular_functionidentical protein binding
H0043068biological_processpositive regulation of programmed cell death
H0051117molecular_functionATPase binding
I0004176molecular_functionATP-dependent peptidase activity
I0004252molecular_functionserine-type endopeptidase activity
I0005515molecular_functionprotein binding
I0005737cellular_componentcytoplasm
I0005829cellular_componentcytosol
I0006508biological_processproteolysis
I0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
I0008233molecular_functionpeptidase activity
I0008236molecular_functionserine-type peptidase activity
I0009266biological_processresponse to temperature stimulus
I0009314biological_processresponse to radiation
I0009368cellular_componentendopeptidase Clp complex
I0009376cellular_componentHslUV protease complex
I0009408biological_processresponse to heat
I0010498biological_processproteasomal protein catabolic process
I0016020cellular_componentmembrane
I0016787molecular_functionhydrolase activity
I0042802molecular_functionidentical protein binding
I0043068biological_processpositive regulation of programmed cell death
I0051117molecular_functionATPase binding
J0004176molecular_functionATP-dependent peptidase activity
J0004252molecular_functionserine-type endopeptidase activity
J0005515molecular_functionprotein binding
J0005737cellular_componentcytoplasm
J0005829cellular_componentcytosol
J0006508biological_processproteolysis
J0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
J0008233molecular_functionpeptidase activity
J0008236molecular_functionserine-type peptidase activity
J0009266biological_processresponse to temperature stimulus
J0009314biological_processresponse to radiation
J0009368cellular_componentendopeptidase Clp complex
J0009376cellular_componentHslUV protease complex
J0009408biological_processresponse to heat
J0010498biological_processproteasomal protein catabolic process
J0016020cellular_componentmembrane
J0016787molecular_functionhydrolase activity
J0042802molecular_functionidentical protein binding
J0043068biological_processpositive regulation of programmed cell death
J0051117molecular_functionATPase binding
K0004176molecular_functionATP-dependent peptidase activity
K0004252molecular_functionserine-type endopeptidase activity
K0005515molecular_functionprotein binding
K0005737cellular_componentcytoplasm
K0005829cellular_componentcytosol
K0006508biological_processproteolysis
K0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
K0008233molecular_functionpeptidase activity
K0008236molecular_functionserine-type peptidase activity
K0009266biological_processresponse to temperature stimulus
K0009314biological_processresponse to radiation
K0009368cellular_componentendopeptidase Clp complex
K0009376cellular_componentHslUV protease complex
K0009408biological_processresponse to heat
K0010498biological_processproteasomal protein catabolic process
K0016020cellular_componentmembrane
K0016787molecular_functionhydrolase activity
K0042802molecular_functionidentical protein binding
K0043068biological_processpositive regulation of programmed cell death
K0051117molecular_functionATPase binding
L0004176molecular_functionATP-dependent peptidase activity
L0004252molecular_functionserine-type endopeptidase activity
L0005515molecular_functionprotein binding
L0005737cellular_componentcytoplasm
L0005829cellular_componentcytosol
L0006508biological_processproteolysis
L0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
L0008233molecular_functionpeptidase activity
L0008236molecular_functionserine-type peptidase activity
L0009266biological_processresponse to temperature stimulus
L0009314biological_processresponse to radiation
L0009368cellular_componentendopeptidase Clp complex
L0009376cellular_componentHslUV protease complex
L0009408biological_processresponse to heat
L0010498biological_processproteasomal protein catabolic process
L0016020cellular_componentmembrane
L0016787molecular_functionhydrolase activity
L0042802molecular_functionidentical protein binding
L0043068biological_processpositive regulation of programmed cell death
L0051117molecular_functionATPase binding
M0004176molecular_functionATP-dependent peptidase activity
M0004252molecular_functionserine-type endopeptidase activity
M0005515molecular_functionprotein binding
M0005737cellular_componentcytoplasm
M0005829cellular_componentcytosol
M0006508biological_processproteolysis
M0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
M0008233molecular_functionpeptidase activity
M0008236molecular_functionserine-type peptidase activity
M0009266biological_processresponse to temperature stimulus
M0009314biological_processresponse to radiation
M0009368cellular_componentendopeptidase Clp complex
M0009376cellular_componentHslUV protease complex
M0009408biological_processresponse to heat
M0010498biological_processproteasomal protein catabolic process
M0016020cellular_componentmembrane
M0016787molecular_functionhydrolase activity
M0042802molecular_functionidentical protein binding
M0043068biological_processpositive regulation of programmed cell death
M0051117molecular_functionATPase binding
N0004176molecular_functionATP-dependent peptidase activity
N0004252molecular_functionserine-type endopeptidase activity
N0005515molecular_functionprotein binding
N0005737cellular_componentcytoplasm
N0005829cellular_componentcytosol
N0006508biological_processproteolysis
N0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
N0008233molecular_functionpeptidase activity
N0008236molecular_functionserine-type peptidase activity
N0009266biological_processresponse to temperature stimulus
N0009314biological_processresponse to radiation
N0009368cellular_componentendopeptidase Clp complex
N0009376cellular_componentHslUV protease complex
N0009408biological_processresponse to heat
N0010498biological_processproteasomal protein catabolic process
N0016020cellular_componentmembrane
N0016787molecular_functionhydrolase activity
N0042802molecular_functionidentical protein binding
N0043068biological_processpositive regulation of programmed cell death
N0051117molecular_functionATPase binding
O0004176molecular_functionATP-dependent peptidase activity
O0004252molecular_functionserine-type endopeptidase activity
O0005515molecular_functionprotein binding
O0005737cellular_componentcytoplasm
O0005829cellular_componentcytosol
O0006508biological_processproteolysis
O0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
O0008233molecular_functionpeptidase activity
O0008236molecular_functionserine-type peptidase activity
O0009266biological_processresponse to temperature stimulus
O0009314biological_processresponse to radiation
O0009368cellular_componentendopeptidase Clp complex
O0009376cellular_componentHslUV protease complex
O0009408biological_processresponse to heat
O0010498biological_processproteasomal protein catabolic process
O0016020cellular_componentmembrane
O0016787molecular_functionhydrolase activity
O0042802molecular_functionidentical protein binding
O0043068biological_processpositive regulation of programmed cell death
O0051117molecular_functionATPase binding
P0004176molecular_functionATP-dependent peptidase activity
P0004252molecular_functionserine-type endopeptidase activity
P0005515molecular_functionprotein binding
P0005737cellular_componentcytoplasm
P0005829cellular_componentcytosol
P0006508biological_processproteolysis
P0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
P0008233molecular_functionpeptidase activity
P0008236molecular_functionserine-type peptidase activity
P0009266biological_processresponse to temperature stimulus
P0009314biological_processresponse to radiation
P0009368cellular_componentendopeptidase Clp complex
P0009376cellular_componentHslUV protease complex
P0009408biological_processresponse to heat
P0010498biological_processproteasomal protein catabolic process
P0016020cellular_componentmembrane
P0016787molecular_functionhydrolase activity
P0042802molecular_functionidentical protein binding
P0043068biological_processpositive regulation of programmed cell death
P0051117molecular_functionATPase binding
Q0004176molecular_functionATP-dependent peptidase activity
Q0004252molecular_functionserine-type endopeptidase activity
Q0005515molecular_functionprotein binding
Q0005737cellular_componentcytoplasm
Q0005829cellular_componentcytosol
Q0006508biological_processproteolysis
Q0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
Q0008233molecular_functionpeptidase activity
Q0008236molecular_functionserine-type peptidase activity
Q0009266biological_processresponse to temperature stimulus
Q0009314biological_processresponse to radiation
Q0009368cellular_componentendopeptidase Clp complex
Q0009376cellular_componentHslUV protease complex
Q0009408biological_processresponse to heat
Q0010498biological_processproteasomal protein catabolic process
Q0016020cellular_componentmembrane
Q0016787molecular_functionhydrolase activity
Q0042802molecular_functionidentical protein binding
Q0043068biological_processpositive regulation of programmed cell death
Q0051117molecular_functionATPase binding
R0004176molecular_functionATP-dependent peptidase activity
R0004252molecular_functionserine-type endopeptidase activity
R0005515molecular_functionprotein binding
R0005737cellular_componentcytoplasm
R0005829cellular_componentcytosol
R0006508biological_processproteolysis
R0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
R0008233molecular_functionpeptidase activity
R0008236molecular_functionserine-type peptidase activity
R0009266biological_processresponse to temperature stimulus
R0009314biological_processresponse to radiation
R0009368cellular_componentendopeptidase Clp complex
R0009376cellular_componentHslUV protease complex
R0009408biological_processresponse to heat
R0010498biological_processproteasomal protein catabolic process
R0016020cellular_componentmembrane
R0016787molecular_functionhydrolase activity
R0042802molecular_functionidentical protein binding
R0043068biological_processpositive regulation of programmed cell death
R0051117molecular_functionATPase binding
S0004176molecular_functionATP-dependent peptidase activity
S0004252molecular_functionserine-type endopeptidase activity
S0005515molecular_functionprotein binding
S0005737cellular_componentcytoplasm
S0005829cellular_componentcytosol
S0006508biological_processproteolysis
S0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
S0008233molecular_functionpeptidase activity
S0008236molecular_functionserine-type peptidase activity
S0009266biological_processresponse to temperature stimulus
S0009314biological_processresponse to radiation
S0009368cellular_componentendopeptidase Clp complex
S0009376cellular_componentHslUV protease complex
S0009408biological_processresponse to heat
S0010498biological_processproteasomal protein catabolic process
S0016020cellular_componentmembrane
S0016787molecular_functionhydrolase activity
S0042802molecular_functionidentical protein binding
S0043068biological_processpositive regulation of programmed cell death
S0051117molecular_functionATPase binding
T0004176molecular_functionATP-dependent peptidase activity
T0004252molecular_functionserine-type endopeptidase activity
T0005515molecular_functionprotein binding
T0005737cellular_componentcytoplasm
T0005829cellular_componentcytosol
T0006508biological_processproteolysis
T0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
T0008233molecular_functionpeptidase activity
T0008236molecular_functionserine-type peptidase activity
T0009266biological_processresponse to temperature stimulus
T0009314biological_processresponse to radiation
T0009368cellular_componentendopeptidase Clp complex
T0009376cellular_componentHslUV protease complex
T0009408biological_processresponse to heat
T0010498biological_processproteasomal protein catabolic process
T0016020cellular_componentmembrane
T0016787molecular_functionhydrolase activity
T0042802molecular_functionidentical protein binding
T0043068biological_processpositive regulation of programmed cell death
T0051117molecular_functionATPase binding
U0004176molecular_functionATP-dependent peptidase activity
U0004252molecular_functionserine-type endopeptidase activity
U0005515molecular_functionprotein binding
U0005737cellular_componentcytoplasm
U0005829cellular_componentcytosol
U0006508biological_processproteolysis
U0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
U0008233molecular_functionpeptidase activity
U0008236molecular_functionserine-type peptidase activity
U0009266biological_processresponse to temperature stimulus
U0009314biological_processresponse to radiation
U0009368cellular_componentendopeptidase Clp complex
U0009376cellular_componentHslUV protease complex
U0009408biological_processresponse to heat
U0010498biological_processproteasomal protein catabolic process
U0016020cellular_componentmembrane
U0016787molecular_functionhydrolase activity
U0042802molecular_functionidentical protein binding
U0043068biological_processpositive regulation of programmed cell death
U0051117molecular_functionATPase binding
Functional Information from PROSITE/UniProt
site_idPS00381
Number of Residues12
DetailsCLP_PROTEASE_SER Endopeptidase Clp serine active site. TicMGqAASMGA
ChainResidueDetails
HTHR89-ALA100

site_idPS00382
Number of Residues14
DetailsCLP_PROTEASE_HIS Endopeptidase Clp histidine active site. RfclPnsrVMIHQP
ChainResidueDetails
HARG111-PRO124

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI2
Number of Residues14
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues28
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
HGLY68electrostatic stabiliser
HSER97covalent catalysis, proton shuttle (general acid/base)
HMET98electrostatic stabiliser
HHIS122proton shuttle (general acid/base)
HASP171electrostatic stabiliser, modifies pKa

site_idMCSA10
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
QGLY68electrostatic stabiliser
QSER97covalent catalysis, proton shuttle (general acid/base)
QMET98electrostatic stabiliser
QHIS122proton shuttle (general acid/base)
QASP171electrostatic stabiliser, modifies pKa

site_idMCSA11
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
RGLY68electrostatic stabiliser
RSER97covalent catalysis, proton shuttle (general acid/base)
RMET98electrostatic stabiliser
RHIS122proton shuttle (general acid/base)
RASP171electrostatic stabiliser, modifies pKa

site_idMCSA12
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
SGLY68electrostatic stabiliser
SSER97covalent catalysis, proton shuttle (general acid/base)
SMET98electrostatic stabiliser
SHIS122proton shuttle (general acid/base)
SASP171electrostatic stabiliser, modifies pKa

site_idMCSA13
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
TGLY68electrostatic stabiliser
TSER97covalent catalysis, proton shuttle (general acid/base)
TMET98electrostatic stabiliser
THIS122proton shuttle (general acid/base)
TASP171electrostatic stabiliser, modifies pKa

site_idMCSA14
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
UGLY68electrostatic stabiliser
USER97covalent catalysis, proton shuttle (general acid/base)
UMET98electrostatic stabiliser
UHIS122proton shuttle (general acid/base)
UASP171electrostatic stabiliser, modifies pKa

site_idMCSA2
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
IGLY68electrostatic stabiliser
ISER97covalent catalysis, proton shuttle (general acid/base)
IMET98electrostatic stabiliser
IHIS122proton shuttle (general acid/base)
IASP171electrostatic stabiliser, modifies pKa

site_idMCSA3
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
JGLY68electrostatic stabiliser
JSER97covalent catalysis, proton shuttle (general acid/base)
JMET98electrostatic stabiliser
JHIS122proton shuttle (general acid/base)
JASP171electrostatic stabiliser, modifies pKa

site_idMCSA4
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
KGLY68electrostatic stabiliser
KSER97covalent catalysis, proton shuttle (general acid/base)
KMET98electrostatic stabiliser
KHIS122proton shuttle (general acid/base)
KASP171electrostatic stabiliser, modifies pKa

site_idMCSA5
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
LGLY68electrostatic stabiliser
LSER97covalent catalysis, proton shuttle (general acid/base)
LMET98electrostatic stabiliser
LHIS122proton shuttle (general acid/base)
LASP171electrostatic stabiliser, modifies pKa

site_idMCSA6
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
MGLY68electrostatic stabiliser
MSER97covalent catalysis, proton shuttle (general acid/base)
MMET98electrostatic stabiliser
MHIS122proton shuttle (general acid/base)
MASP171electrostatic stabiliser, modifies pKa

site_idMCSA7
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
NGLY68electrostatic stabiliser
NSER97covalent catalysis, proton shuttle (general acid/base)
NMET98electrostatic stabiliser
NHIS122proton shuttle (general acid/base)
NASP171electrostatic stabiliser, modifies pKa

site_idMCSA8
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
OGLY68electrostatic stabiliser
OSER97covalent catalysis, proton shuttle (general acid/base)
OMET98electrostatic stabiliser
OHIS122proton shuttle (general acid/base)
OASP171electrostatic stabiliser, modifies pKa

site_idMCSA9
Number of Residues5
DetailsM-CSA 912
ChainResidueDetails
PGLY68electrostatic stabiliser
PSER97covalent catalysis, proton shuttle (general acid/base)
PMET98electrostatic stabiliser
PHIS122proton shuttle (general acid/base)
PASP171electrostatic stabiliser, modifies pKa

247536

PDB entries from 2026-01-14

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