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3ITA

Crystal structure of Penicillin-Binding Protein 6 (PBP6) from E. coli in acyl-enzyme complex with ampicillin

Functional Information from GO Data
ChainGOidnamespacecontents
A0000270biological_processpeptidoglycan metabolic process
A0004180molecular_functioncarboxypeptidase activity
A0005886cellular_componentplasma membrane
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008360biological_processregulation of cell shape
A0008658molecular_functionpenicillin binding
A0009002molecular_functionserine-type D-Ala-D-Ala carboxypeptidase activity
A0009252biological_processpeptidoglycan biosynthetic process
A0009410biological_processresponse to xenobiotic stimulus
A0016787molecular_functionhydrolase activity
A0030288cellular_componentouter membrane-bounded periplasmic space
A0042803molecular_functionprotein homodimerization activity
A0071555biological_processcell wall organization
B0000270biological_processpeptidoglycan metabolic process
B0004180molecular_functioncarboxypeptidase activity
B0005886cellular_componentplasma membrane
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008360biological_processregulation of cell shape
B0008658molecular_functionpenicillin binding
B0009002molecular_functionserine-type D-Ala-D-Ala carboxypeptidase activity
B0009252biological_processpeptidoglycan biosynthetic process
B0009410biological_processresponse to xenobiotic stimulus
B0016787molecular_functionhydrolase activity
B0030288cellular_componentouter membrane-bounded periplasmic space
B0042803molecular_functionprotein homodimerization activity
B0071555biological_processcell wall organization
C0000270biological_processpeptidoglycan metabolic process
C0004180molecular_functioncarboxypeptidase activity
C0005886cellular_componentplasma membrane
C0006508biological_processproteolysis
C0008233molecular_functionpeptidase activity
C0008360biological_processregulation of cell shape
C0008658molecular_functionpenicillin binding
C0009002molecular_functionserine-type D-Ala-D-Ala carboxypeptidase activity
C0009252biological_processpeptidoglycan biosynthetic process
C0009410biological_processresponse to xenobiotic stimulus
C0016787molecular_functionhydrolase activity
C0030288cellular_componentouter membrane-bounded periplasmic space
C0042803molecular_functionprotein homodimerization activity
C0071555biological_processcell wall organization
D0000270biological_processpeptidoglycan metabolic process
D0004180molecular_functioncarboxypeptidase activity
D0005886cellular_componentplasma membrane
D0006508biological_processproteolysis
D0008233molecular_functionpeptidase activity
D0008360biological_processregulation of cell shape
D0008658molecular_functionpenicillin binding
D0009002molecular_functionserine-type D-Ala-D-Ala carboxypeptidase activity
D0009252biological_processpeptidoglycan biosynthetic process
D0009410biological_processresponse to xenobiotic stimulus
D0016787molecular_functionhydrolase activity
D0030288cellular_componentouter membrane-bounded periplasmic space
D0042803molecular_functionprotein homodimerization activity
D0071555biological_processcell wall organization
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE AIX A 500
ChainResidue
AALA39
ASER40
AARG194
ATHR210
AGLY211
ATHR212
AARG244
AHOH723
AHOH754

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 353
ChainResidue
AARG242
AHOH455
AHOH487
BGLU183
BARG190

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 353
ChainResidue
AARG190
BARG194
BTHR210
BGLY211
BTHR212
BARG244

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 354
ChainResidue
BGLN300
BASN303
BHOH825

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 C 353
ChainResidue
CTHR240
CARG242
CHOH365
CHOH366
DTRP199

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 354
ChainResidue
CTHR210
CGLY211
CTHR212
CARG244

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 355
ChainResidue
CGLU183
CTRP199
DTHR240
DARG242

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE AIC D 501
ChainResidue
DPRO264
DPHE271
DLEU304
DLYS305
DALA306
DHOH680

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Acyl-ester intermediate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1btl
ChainResidueDetails
ASER106
ASER40
ALYS43
AGLN144

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1btl
ChainResidueDetails
BSER106
BSER40
BLYS43
BGLN144

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1btl
ChainResidueDetails
CSER106
CSER40
CLYS43
CGLN144

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1btl
ChainResidueDetails
DSER106
DSER40
DLYS43
DGLN144

247947

PDB entries from 2026-01-21

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