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4A8A

Asymmetric cryo-EM reconstruction of E. coli DegQ 12-mer in complex with lysozyme

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0006508biological_processproteolysis
A0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0042597cellular_componentperiplasmic space
A0042802molecular_functionidentical protein binding
A0051603biological_processproteolysis involved in protein catabolic process
B0004252molecular_functionserine-type endopeptidase activity
B0005515molecular_functionprotein binding
B0006508biological_processproteolysis
B0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
B0008233molecular_functionpeptidase activity
B0008236molecular_functionserine-type peptidase activity
B0016787molecular_functionhydrolase activity
B0042597cellular_componentperiplasmic space
B0042802molecular_functionidentical protein binding
B0051603biological_processproteolysis involved in protein catabolic process
C0004252molecular_functionserine-type endopeptidase activity
C0005515molecular_functionprotein binding
C0006508biological_processproteolysis
C0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
C0008233molecular_functionpeptidase activity
C0008236molecular_functionserine-type peptidase activity
C0016787molecular_functionhydrolase activity
C0042597cellular_componentperiplasmic space
C0042802molecular_functionidentical protein binding
C0051603biological_processproteolysis involved in protein catabolic process
D0004252molecular_functionserine-type endopeptidase activity
D0005515molecular_functionprotein binding
D0006508biological_processproteolysis
D0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
D0008233molecular_functionpeptidase activity
D0008236molecular_functionserine-type peptidase activity
D0016787molecular_functionhydrolase activity
D0042597cellular_componentperiplasmic space
D0042802molecular_functionidentical protein binding
D0051603biological_processproteolysis involved in protein catabolic process
E0004252molecular_functionserine-type endopeptidase activity
E0005515molecular_functionprotein binding
E0006508biological_processproteolysis
E0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
E0008233molecular_functionpeptidase activity
E0008236molecular_functionserine-type peptidase activity
E0016787molecular_functionhydrolase activity
E0042597cellular_componentperiplasmic space
E0042802molecular_functionidentical protein binding
E0051603biological_processproteolysis involved in protein catabolic process
F0004252molecular_functionserine-type endopeptidase activity
F0005515molecular_functionprotein binding
F0006508biological_processproteolysis
F0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
F0008233molecular_functionpeptidase activity
F0008236molecular_functionserine-type peptidase activity
F0016787molecular_functionhydrolase activity
F0042597cellular_componentperiplasmic space
F0042802molecular_functionidentical protein binding
F0051603biological_processproteolysis involved in protein catabolic process
G0004252molecular_functionserine-type endopeptidase activity
G0005515molecular_functionprotein binding
G0006508biological_processproteolysis
G0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
G0008233molecular_functionpeptidase activity
G0008236molecular_functionserine-type peptidase activity
G0016787molecular_functionhydrolase activity
G0042597cellular_componentperiplasmic space
G0042802molecular_functionidentical protein binding
G0051603biological_processproteolysis involved in protein catabolic process
H0004252molecular_functionserine-type endopeptidase activity
H0005515molecular_functionprotein binding
H0006508biological_processproteolysis
H0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
H0008233molecular_functionpeptidase activity
H0008236molecular_functionserine-type peptidase activity
H0016787molecular_functionhydrolase activity
H0042597cellular_componentperiplasmic space
H0042802molecular_functionidentical protein binding
H0051603biological_processproteolysis involved in protein catabolic process
I0004252molecular_functionserine-type endopeptidase activity
I0005515molecular_functionprotein binding
I0006508biological_processproteolysis
I0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
I0008233molecular_functionpeptidase activity
I0008236molecular_functionserine-type peptidase activity
I0016787molecular_functionhydrolase activity
I0042597cellular_componentperiplasmic space
I0042802molecular_functionidentical protein binding
I0051603biological_processproteolysis involved in protein catabolic process
J0004252molecular_functionserine-type endopeptidase activity
J0005515molecular_functionprotein binding
J0006508biological_processproteolysis
J0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
J0008233molecular_functionpeptidase activity
J0008236molecular_functionserine-type peptidase activity
J0016787molecular_functionhydrolase activity
J0042597cellular_componentperiplasmic space
J0042802molecular_functionidentical protein binding
J0051603biological_processproteolysis involved in protein catabolic process
K0004252molecular_functionserine-type endopeptidase activity
K0005515molecular_functionprotein binding
K0006508biological_processproteolysis
K0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
K0008233molecular_functionpeptidase activity
K0008236molecular_functionserine-type peptidase activity
K0016787molecular_functionhydrolase activity
K0042597cellular_componentperiplasmic space
K0042802molecular_functionidentical protein binding
K0051603biological_processproteolysis involved in protein catabolic process
L0004252molecular_functionserine-type endopeptidase activity
L0005515molecular_functionprotein binding
L0006508biological_processproteolysis
L0006515biological_processprotein quality control for misfolded or incompletely synthesized proteins
L0008233molecular_functionpeptidase activity
L0008236molecular_functionserine-type peptidase activity
L0016787molecular_functionhydrolase activity
L0042597cellular_componentperiplasmic space
L0042802molecular_functionidentical protein binding
L0051603biological_processproteolysis involved in protein catabolic process
M0003796molecular_functionlysozyme activity
M0003824molecular_functioncatalytic activity
M0005515molecular_functionprotein binding
M0005576cellular_componentextracellular region
M0005615cellular_componentextracellular space
M0005737cellular_componentcytoplasm
M0005783cellular_componentendoplasmic reticulum
M0016231molecular_functionbeta-N-acetylglucosaminidase activity
M0016787molecular_functionhydrolase activity
M0016798molecular_functionhydrolase activity, acting on glycosyl bonds
M0016998biological_processcell wall macromolecule catabolic process
M0031640biological_processkilling of cells of another organism
M0042742biological_processdefense response to bacterium
M0042802molecular_functionidentical protein binding
M0050829biological_processdefense response to Gram-negative bacterium
M0050830biological_processdefense response to Gram-positive bacterium
M0051672biological_processobsolete catabolism by organism of cell wall peptidoglycan in other organism
Functional Information from PROSITE/UniProt
site_idPS00128
Number of Residues19
DetailsGLYCOSYL_HYDROL_F22_1 Glycosyl hydrolases family 22 (GH22) domain signature. CnipCsaLlssDItasvnC
ChainResidueDetails
MCYS76-CYS94

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1092
DetailsDomain: {"description":"PDZ 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00143","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues36
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"21685389","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues36
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues121
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"21685389","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues128
DetailsDomain: {"description":"C-type lysozyme","evidences":[{"source":"PROSITE-ProRule","id":"PRU00680","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsActive site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 203
ChainResidueDetails
MGLU35hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
MASN46
MASP48
MSER50
MASP52covalently attached, electrostatic stabiliser, nucleofuge, nucleophile, polar/non-polar interaction
MASN59

243083

PDB entries from 2025-10-15

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