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6K1Q

Human endothelin receptor type-B in complex with inverse agonist IRL2500

Functional Information from GO Data
ChainGOidnamespacecontents
A0003796molecular_functionlysozyme activity
A0004930molecular_functionG protein-coupled receptor activity
A0007186biological_processG protein-coupled receptor signaling pathway
A0016020cellular_componentmembrane
A0016998biological_processcell wall macromolecule catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue D2U A 1201
ChainResidue
AASP147
AVAL185
ATHR188
APHE240
ATYR281
ATRP336
ALEU339
AARG343
AALA375
AASN378
ASER379
AHIS150
AHOH1311
AASN158
ALYS161
AVAL177
APRO178
AGLN181
ALYS182
ASER184

site_idAC2
Number of Residues5
Detailsbinding site for residue PO4 A 1202
ChainResidue
AILE1003
ATYR1038
AALA1043
AARG1046
AILE1050

site_idAC3
Number of Residues4
Detailsbinding site for residue PO4 A 1203
ChainResidue
ACYS131
AARG392
AASN395
AHOH1313

site_idAC4
Number of Residues6
Detailsbinding site for residue PO4 A 1204
ChainResidue
AASN312
AASP313
AASP1010
AARG1095
AARG1098
AHOH1301

site_idAC5
Number of Residues1
Detailsbinding site for residue PO4 A 1205
ChainResidue
ALYS398

site_idAC6
Number of Residues8
Detailsbinding site for residue OLC A 1206
ChainResidue
AGLU98
ALYS101
ATYR102
ALEU163
ALEU232
ATHR263
APHE265
ATYR269

site_idAC7
Number of Residues3
Detailsbinding site for residue OLC A 1207
ChainResidue
ATRP275
ASER279
AOLC1208

site_idAC8
Number of Residues4
Detailsbinding site for residue OLC A 1208
ChainResidue
ATYR102
AALA264
APHE268
AOLC1207

site_idAC9
Number of Residues3
Detailsbinding site for residue OLC A 1209
ChainResidue
AILE117
ALEU145
ATRP226

site_idAD1
Number of Residues7
Detailsbinding site for residue OLC A 1210
ChainResidue
ALYS323
AVAL331
AALA381
ALEU388
AVAL389
ALYS391
AOLC1211

site_idAD2
Number of Residues6
Detailsbinding site for residue OLC A 1211
ChainResidue
AALA290
APHE326
ALEU330
AVAL331
ALEU334
AOLC1210

site_idAD3
Number of Residues3
Detailsbinding site for residue OLC A 1212
ChainResidue
AILE96
AMET374
ALEU377

site_idAD4
Number of Residues5
Detailsbinding site for residue OLC A 1213
ChainResidue
APHE112
ALEU149
AVAL159
AALA183
AVAL230

Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ITVlSLCALSIDRYRaV
ChainResidueDetails
AILE187-VAL203

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8266098","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"7831309","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues49
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues26
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P28088","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"source":"PubMed","id":"9261180","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues
DetailsM-CSA 921
ChainResidueDetails

248335

PDB entries from 2026-01-28

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