ID THBG_RAT Reviewed; 418 AA. AC P35577; DT 01-JUN-1994, integrated into UniProtKB/Swiss-Prot. DT 07-JUN-2004, sequence version 2. DT 24-JAN-2024, entry version 135. DE RecName: Full=Thyroxine-binding globulin; DE AltName: Full=Serpin A7; DE AltName: Full=T4-binding globulin; DE Flags: Precursor; GN Name=Serpina7; Synonyms=Tbg; OS Rattus norvegicus (Rat). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; OC Murinae; Rattus. OX NCBI_TaxID=10116; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA]. RX PubMed=7988464; DOI=10.1210/endo.135.6.7988464; RA Tani Y., Mori Y., Miura Y., Okamoto H., Inagaki A., Saito H., Oiso Y.; RT "Molecular cloning of the rat thyroxine-binding globulin gene and analysis RT of its promoter activity."; RL Endocrinology 135:2731-2736(1994). RN [2] RP NUCLEOTIDE SEQUENCE [MRNA] OF 10-418, AND PARTIAL PROTEIN SEQUENCE. RC TISSUE=Liver; RX PubMed=1903654; DOI=10.1021/bi00236a012; RA Imamura S., Mori Y., Murata Y., Yamamori I., Miura Y., Oiso Y., Seo H., RA Matsui N., Refetoff S.; RT "Molecular cloning and primary structure of rat thyroxine-binding RT globulin."; RL Biochemistry 30:5406-5411(1991). CC -!- FUNCTION: Major thyroid hormone transport protein in serum. CC -!- SUBCELLULAR LOCATION: Secreted. CC -!- TISSUE SPECIFICITY: Expressed by the liver and secreted in plasma. CC -!- SIMILARITY: Belongs to the serpin family. {ECO:0000305}. CC -!- SEQUENCE CAUTION: CC Sequence=AAA42205.1; Type=Erroneous initiation; Evidence={ECO:0000305}; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; M63991; AAA42205.1; ALT_INIT; mRNA. DR PIR; A39567; A39567. DR AlphaFoldDB; P35577; -. DR SMR; P35577; -. DR STRING; 10116.ENSRNOP00000014739; -. DR MEROPS; I04.955; -. DR GlyCosmos; P35577; 6 sites, No reported glycans. DR GlyGen; P35577; 6 sites. DR PhosphoSitePlus; P35577; -. DR PaxDb; 10116-ENSRNOP00000014739; -. DR UCSC; RGD:619833; rat. DR AGR; RGD:619833; -. DR RGD; 619833; Serpina7. DR eggNOG; KOG2392; Eukaryota. DR HOGENOM; CLU_023330_2_1_1; -. DR InParanoid; P35577; -. DR PhylomeDB; P35577; -. DR PRO; PR:P35577; -. DR Proteomes; UP000002494; Unplaced. DR GO; GO:0005615; C:extracellular space; IDA:RGD. DR GO; GO:0042562; F:hormone binding; IDA:RGD. DR GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IBA:GO_Central. DR GO; GO:0015349; F:thyroid hormone transmembrane transporter activity; TAS:RGD. DR GO; GO:0009791; P:post-embryonic development; IDA:RGD. DR GO; GO:0051412; P:response to corticosterone; IEP:RGD. DR GO; GO:0031667; P:response to nutrient levels; IEP:RGD. DR GO; GO:0043434; P:response to peptide hormone; IEP:RGD. DR GO; GO:0034695; P:response to prostaglandin E; IEP:RGD. DR GO; GO:0048545; P:response to steroid hormone; IEP:RGD. DR GO; GO:0033189; P:response to vitamin A; IDA:RGD. DR GO; GO:0009410; P:response to xenobiotic stimulus; IDA:RGD. DR GO; GO:0070327; P:thyroid hormone transport; ISO:RGD. DR Gene3D; 2.30.39.10; Alpha-1-antitrypsin, domain 1; 1. DR Gene3D; 3.30.497.10; Antithrombin, subunit I, domain 2; 1. DR Gene3D; 2.10.310.10; Serpins superfamily; 1. DR InterPro; IPR023795; Serpin_CS. DR InterPro; IPR023796; Serpin_dom. DR InterPro; IPR000215; Serpin_fam. DR InterPro; IPR036186; Serpin_sf. DR InterPro; IPR042178; Serpin_sf_1. DR InterPro; IPR042185; Serpin_sf_2. DR PANTHER; PTHR11461; SERINE PROTEASE INHIBITOR, SERPIN; 1. DR PANTHER; PTHR11461:SF375; THYROXINE-BINDING GLOBULIN; 1. DR Pfam; PF00079; Serpin; 1. DR SMART; SM00093; SERPIN; 1. DR SUPFAM; SSF56574; Serpins; 1. DR PROSITE; PS00284; SERPIN; 1. DR Genevisible; P35577; RN. PE 1: Evidence at protein level; KW Direct protein sequencing; Glycoprotein; Reference proteome; Secreted; KW Signal. FT SIGNAL 1..20 FT CHAIN 21..418 FT /note="Thyroxine-binding globulin" FT /id="PRO_0000032440" FT BINDING 296 FT /ligand="thyroxine" FT /ligand_id="ChEBI:CHEBI:305790" FT /evidence="ECO:0000250" FT BINDING 401 FT /ligand="thyroxine" FT /ligand_id="ChEBI:CHEBI:305790" FT /evidence="ECO:0000250" FT CARBOHYD 24 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 39 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 102 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 168 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 227 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 256 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" SQ SEQUENCE 418 AA; 46938 MW; 3B1984814A388D19 CRC64; MSMFFYLFLL VLGLQATIHC APHNSSEGKV TTCHLPQQNA TLYKMPSINA DFAFRLYRKL SVENPDLNIF FSPVSISAAL AMLSFGSGSS TQTQILEVLG FNLTDTPVKE LQQGFQHLIC SLNFPNNELE LQMGNAVFIG QQLKPLAKFL DDVKTLYETE VFSTDFSNVS AAQHEINSYV EKQTKGKIVG LIQDLKLNII MILVNYIHFK AQWANPFRVS KTEESSNFSV DKSTTVQVPM MHQLEQYYHY VDVELNCTVL QMDYSANALA LFVLPKEGHM EWVEAAMSSK TLKKWNHLLQ KGWVELFVPK FSISATYDLG STLQKMGMRD AFAESADFPG ITKDNGLKLS YAFHKAVLHI GEEGTKEGAS PEAGSLDQPE VAPLHAVIRL DRTFLLMILE KRTRSVLFLG KVVDPTKE //