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5L9E

CRYSTAL STRUCTURE OF HUMAN CARBONIC ANHYDRASE II IN COMPLEX WITH A QUINOLINE OLIGOAMIDE FOLDAMER

This is a non-PDB format compatible entry.
Functional Information from GO Data
ChainGOidnamespacecontents
A0004064molecular_functionarylesterase activity
A0004089molecular_functioncarbonate dehydratase activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0008270molecular_functionzinc ion binding
A0015670biological_processcarbon dioxide transport
A0016829molecular_functionlyase activity
A0018820molecular_functioncyanamide hydratase activity
A0038166biological_processangiotensin-activated signaling pathway
A0044070biological_processregulation of monoatomic anion transport
A0045177cellular_componentapical part of cell
A0046872molecular_functionmetal ion binding
A0051453biological_processregulation of intracellular pH
A0070062cellular_componentextracellular exosome
A2001150biological_processpositive regulation of dipeptide transmembrane transport
B0004064molecular_functionarylesterase activity
B0004089molecular_functioncarbonate dehydratase activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0005886cellular_componentplasma membrane
B0008270molecular_functionzinc ion binding
B0015670biological_processcarbon dioxide transport
B0016829molecular_functionlyase activity
B0018820molecular_functioncyanamide hydratase activity
B0038166biological_processangiotensin-activated signaling pathway
B0044070biological_processregulation of monoatomic anion transport
B0045177cellular_componentapical part of cell
B0046872molecular_functionmetal ion binding
B0051453biological_processregulation of intracellular pH
B0070062cellular_componentextracellular exosome
B2001150biological_processpositive regulation of dipeptide transmembrane transport
C0004064molecular_functionarylesterase activity
C0004089molecular_functioncarbonate dehydratase activity
C0005515molecular_functionprotein binding
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0005886cellular_componentplasma membrane
C0008270molecular_functionzinc ion binding
C0015670biological_processcarbon dioxide transport
C0016829molecular_functionlyase activity
C0018820molecular_functioncyanamide hydratase activity
C0038166biological_processangiotensin-activated signaling pathway
C0044070biological_processregulation of monoatomic anion transport
C0045177cellular_componentapical part of cell
C0046872molecular_functionmetal ion binding
C0051453biological_processregulation of intracellular pH
C0070062cellular_componentextracellular exosome
C2001150biological_processpositive regulation of dipeptide transmembrane transport
D0004064molecular_functionarylesterase activity
D0004089molecular_functioncarbonate dehydratase activity
D0005515molecular_functionprotein binding
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0005886cellular_componentplasma membrane
D0008270molecular_functionzinc ion binding
D0015670biological_processcarbon dioxide transport
D0016829molecular_functionlyase activity
D0018820molecular_functioncyanamide hydratase activity
D0038166biological_processangiotensin-activated signaling pathway
D0044070biological_processregulation of monoatomic anion transport
D0045177cellular_componentapical part of cell
D0046872molecular_functionmetal ion binding
D0051453biological_processregulation of intracellular pH
D0070062cellular_componentextracellular exosome
D2001150biological_processpositive regulation of dipeptide transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues3
Detailsbinding site for residue ZN A 301
ChainResidue
AHIS94
AHIS96
AHIS119

site_idAC2
Number of Residues4
Detailsbinding site for residue ZN A 302
ChainResidue
AHIS4
AHIS64
EQVE304
EQVE306

site_idAC3
Number of Residues2
Detailsbinding site for residue ZN A 303
ChainResidue
AHIS17
CGLU26

site_idAC4
Number of Residues3
Detailsbinding site for residue ZN A 304
ChainResidue
AASP174
AHOH441
CHOH428

site_idAC5
Number of Residues3
Detailsbinding site for residue ZN A 305
ChainResidue
AASP34
AHIS36
AHOH401

site_idAC6
Number of Residues4
Detailsbinding site for residue ZN A 306
ChainResidue
AGLU186
AHOH404
AHOH431
BASP189

site_idAC7
Number of Residues4
Detailsbinding site for residue ZN A 307
ChainResidue
AASP52
AHOH424
BASP52
BHOH417

site_idAC8
Number of Residues1
Detailsbinding site for residue ZN A 308
ChainResidue
AHIS15

site_idAC9
Number of Residues5
Detailsbinding site for residue GOL A 309
ChainResidue
AASN62
AALA65
AASN67
AGLN92
AHOH406

site_idAD1
Number of Residues3
Detailsbinding site for residue ZN A 310
ChainResidue
AASP189
ALYS260
BGLU186

site_idAD2
Number of Residues5
Detailsbinding site for residue ZN A 311
ChainResidue
AGLU233
AGLU233
CLYS171
CGLU233
CGLU233

site_idAD3
Number of Residues3
Detailsbinding site for residue ZN B 301
ChainResidue
BHIS94
BHIS96
BHIS119

site_idAD4
Number of Residues4
Detailsbinding site for residue ZN B 302
ChainResidue
BHIS4
BHIS64
FQVE304
FQVE306

site_idAD5
Number of Residues3
Detailsbinding site for residue ZN B 303
ChainResidue
BHIS17
BLYS18
DGLU26

site_idAD6
Number of Residues2
Detailsbinding site for residue ZN B 304
ChainResidue
BASP174
BHOH425

site_idAD7
Number of Residues4
Detailsbinding site for residue ZN B 305
ChainResidue
BASP34
BHIS36
BHOH401
BHOH422

site_idAD8
Number of Residues4
Detailsbinding site for residue GOL B 306
ChainResidue
BASN62
BALA65
BASN67
BGLN92

site_idAD9
Number of Residues3
Detailsbinding site for residue ZN C 301
ChainResidue
CHIS94
CHIS96
CHIS119

site_idAE1
Number of Residues5
Detailsbinding site for residue ZN C 302
ChainResidue
CHIS4
CHIS64
GQVE304
GQVE306
CHOH401

site_idAE2
Number of Residues4
Detailsbinding site for residue ZN C 303
ChainResidue
AGLU26
AHOH413
AHOH417
CHIS17

site_idAE3
Number of Residues2
Detailsbinding site for residue ZN C 304
ChainResidue
CASP174
CHOH427

site_idAE4
Number of Residues4
Detailsbinding site for residue ZN C 305
ChainResidue
BGLU14
CASP34
CHIS36
CHOH413

site_idAE5
Number of Residues4
Detailsbinding site for residue GOL C 306
ChainResidue
CASN62
CASN67
CHIS94
CTHR199

site_idAE6
Number of Residues3
Detailsbinding site for residue ZN C 307
ChainResidue
BHIS10
CHIS36
CHOH403

site_idAE7
Number of Residues3
Detailsbinding site for residue ZN D 301
ChainResidue
DHIS94
DHIS96
DHIS119

site_idAE8
Number of Residues4
Detailsbinding site for residue ZN D 302
ChainResidue
DHIS4
DHIS64
HQVE304
HQVE306

site_idAE9
Number of Residues4
Detailsbinding site for residue ZN D 303
ChainResidue
BGLU26
BHOH414
DHIS17
DHOH402

site_idAF1
Number of Residues2
Detailsbinding site for residue ZN D 304
ChainResidue
BHOH426
DASP174

site_idAF2
Number of Residues3
Detailsbinding site for residue ZN D 305
ChainResidue
DASP34
DHIS36
DHOH425

site_idAF3
Number of Residues4
Detailsbinding site for residue GOL D 306
ChainResidue
DALA65
DASN67
DGLN92
DASN62

site_idAF4
Number of Residues4
Detailsbinding site for residue ZN D 307
ChainResidue
BGLU233
BGLU233
DGLU233
DGLU233

site_idAF6
Number of Residues5
Detailsbinding site for residues QUJ A 303 and QVE A 304
ChainResidue
AHIS4
ALYS169
EQUJ305
EQVE306
AZN302

site_idAF7
Number of Residues9
Detailsbinding site for residues QVE A 304 and QUJ A 305
ChainResidue
AHIS4
AASP19
APHE20
ALYS169
APRO201
EQUJ303
EQVE306
AZN302
EHOH401

site_idAF8
Number of Residues10
Detailsbinding site for residues QUJ A 305 and QVE A 306
ChainResidue
AHIS4
ATRP5
AASP19
APHE20
AHIS64
APRO201
EQUJ303
EQVE304
AZN302
EHOH401

site_idAG1
Number of Residues4
Detailsbinding site for residues QUJ B 303 and QVE B 304
ChainResidue
BHIS4
FQUJ305
FQVE306
BZN302

site_idAG2
Number of Residues7
Detailsbinding site for residues QVE B 304 and QUJ B 305
ChainResidue
BHIS4
BASP19
BPHE20
FQUJ303
FQVE306
BZN302
FHOH401

site_idAG3
Number of Residues10
Detailsbinding site for residues QUJ B 305 and QVE B 306
ChainResidue
BHIS4
BTRP5
BASP19
BPHE20
BHIS64
BPRO201
FQUJ303
FQVE304
BZN302
FHOH401

site_idAG4
Number of Residues13
Detailsbinding site for residues QUJ B 312 and QVE D 304
ChainResidue
BHIS4
FQUJ303
FQUJ305
FQVE306
BZN302
DHIS4
DASP19
DPHE20
DLYS169
HQUJ303
HQUJ303
HQVE306
DZN302

site_idAG5
Number of Residues14
Detailsbinding site for residues QUJ B 312 and QVE D 305
ChainResidue
BASP19
BPHE20
FQUJ303
FQVE304
FQVE306
FHOH401
DHIS4
DTRP5
DASP19
DPHE20
DHIS64
HQUJ303
HQVE304
DZN302

site_idAG7
Number of Residues6
Detailsbinding site for residues QUJ C 303 and QVE C 304
ChainResidue
CHIS4
CLYS169
GQUJ305
GQVE306
CZN302
CHOH401

site_idAG8
Number of Residues8
Detailsbinding site for residues QVE C 304 and QUJ C 305
ChainResidue
CHIS4
CASP19
CPHE20
CLYS169
GQUJ303
GQVE306
CZN302
CHOH401

site_idAG9
Number of Residues8
Detailsbinding site for residues QUJ C 305 and QVE C 306
ChainResidue
CHIS4
CTRP5
CASP19
CPHE20
CHIS64
GQUJ303
GQVE304
CZN302

site_idAH2
Number of Residues5
Detailsbinding site for residues QUJ D 303 and QVE D 304
ChainResidue
HQUJ305
DHIS4
DLYS169
HQVE306
DZN302

Functional Information from PROSITE/UniProt
site_idPS00162
Number of Residues17
DetailsALPHA_CA_1 Alpha-carbonic anhydrases signature. SEHtVdkkkYaaELHLV
ChainResidueDetails
ASER105-VAL121

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues512
DetailsDomain: {"description":"Alpha-carbonic anhydrase","evidences":[{"source":"PROSITE-ProRule","id":"PRU01134","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"15667203","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11076507","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12499545","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1336460","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1433293","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1909891","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19583303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151019","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"4621826","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7761440","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7803386","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7901850","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8218160","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8262987","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8331673","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8399159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8431430","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8451242","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8482389","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8639494","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8987974","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9398308","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9865942","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11076507","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12499545","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1336460","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1433293","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1909891","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19583303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151019","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3151020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7761440","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7803386","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7901850","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8218160","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8262987","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8331673","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8399159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8431430","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8451242","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8482389","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8639494","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8987974","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9398308","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9865942","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10550681","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19520834","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsSite: {"description":"Fine-tunes the proton-transfer properties of H-64","evidences":[{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsSite: {"description":"Fine-tunes the proton-transfer properties of H-64; involved in the binding of some activators, including histamine and L-histidine","evidences":[{"source":"PubMed","id":"16214338","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9265618","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsSite: {"description":"Involved in the binding of some activators, including histamine and L-histidine","evidences":[{"source":"PubMed","id":"16214338","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9265618","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17330962","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P27139","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues8
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 216
ChainResidueDetails
AHIS64hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AHIS94metal ligand
AHIS96metal ligand
AGLU106activator, electrostatic stabiliser, hydrogen bond acceptor
AHIS119metal ligand
ATHR198activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity

site_idMCSA2
Number of Residues6
DetailsM-CSA 216
ChainResidueDetails
BHIS64hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BHIS94metal ligand
BHIS96metal ligand
BGLU106activator, electrostatic stabiliser, hydrogen bond acceptor
BHIS119metal ligand
BTHR198activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity

site_idMCSA3
Number of Residues6
DetailsM-CSA 216
ChainResidueDetails
CHIS64hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
CHIS94metal ligand
CHIS96metal ligand
CGLU106activator, electrostatic stabiliser, hydrogen bond acceptor
CHIS119metal ligand
CTHR198activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity

site_idMCSA4
Number of Residues6
DetailsM-CSA 216
ChainResidueDetails
DHIS64hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
DHIS94metal ligand
DHIS96metal ligand
DGLU106activator, electrostatic stabiliser, hydrogen bond acceptor
DHIS119metal ligand
DTHR198activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, increase nucleophilicity

250835

PDB entries from 2026-03-18

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