3RZE
Structure of the human histamine H1 receptor in complex with doxepin
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003796 | molecular_function | lysozyme activity |
| A | 0004930 | molecular_function | G protein-coupled receptor activity |
| A | 0007186 | biological_process | G protein-coupled receptor signaling pathway |
| A | 0009253 | biological_process | peptidoglycan catabolic process |
| A | 0016020 | cellular_component | membrane |
| A | 0016998 | biological_process | cell wall macromolecule catabolic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE 5EH A 1200 |
| Chain | Residue |
| A | ASP107 |
| A | TYR108 |
| A | SER111 |
| A | THR112 |
| A | TRP158 |
| A | TRP428 |
| A | TYR431 |
| A | PHE432 |
| A | TYR458 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE D7V A 1201 |
| Chain | Residue |
| A | ASP107 |
| A | TYR108 |
| A | SER111 |
| A | THR112 |
| A | ILE115 |
| A | TRP158 |
| A | ASN198 |
| A | TRP428 |
| A | TYR431 |
| A | PHE432 |
| A | PHE435 |
| A | TYR458 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PO4 A 1202 |
| Chain | Residue |
| A | ASP178 |
| A | LYS179 |
| A | LYS191 |
| A | TYR431 |
| A | PHE435 |
| A | HIS450 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE PO4 A 1203 |
| Chain | Residue |
| A | ARG1076 |
| A | ARG1080 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PO4 A 1204 |
| Chain | Residue |
| A | THR1142 |
| A | PRO1143 |
| A | ASN1144 |
| A | ARG1145 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE OLC A 1205 |
| Chain | Residue |
| A | GLU1011 |
| A | ARG1014 |
| A | ASN1053 |
| A | ASN1055 |
Functional Information from PROSITE/UniProt
| site_id | PS00237 |
| Number of Residues | 17 |
| Details | G_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ASIfSVFILCIDRYRsV |
| Chain | Residue | Details |
| A | ALA113-VAL129 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | Active site: {"description":"Proton donor/acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_04110","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"3382407","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7831309","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8266098","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | Active site: {"description":"Proton donor/acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_04110","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1892846","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3382407","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7831309","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8266098","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"8266098","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"7831309","evidenceCode":"ECO:0000303"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 20 |
| Details | Transmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 33 |
| Details | Topological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"21697825","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 24 |
| Details | Transmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 12 |
| Details | Topological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"21697825","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 25 |
| Details | Transmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 19 |
| Details | Transmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 22 |
| Details | Transmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 23 |
| Details | Transmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 22 |
| Details | Transmembrane: {"description":"Helical; Name=7","evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 9 |
| Details | Region: {"description":"Important for agonist binding","evidences":[{"source":"PubMed","id":"21697825","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 34 |
| Details | Region: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI16 |
| Number of Residues | 16 |
| Details | Compositional bias: {"description":"Polar residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI17 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000305"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI18 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"33828102","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7DFL","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI19 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"15328002","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI20 |
| Number of Residues | 1 |
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI21 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P70174","evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI22 |
| Number of Residues | 2 |
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"15328002","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 2 |
| Details | M-CSA 921 |
| Chain | Residue | Details |
| A | GLU1011 | proton shuttle (general acid/base) |
| A | ASP1020 | covalent catalysis |






