ER21B_XENLA
ID ER21B_XENLA Reviewed; 212 AA.
AC Q68ES4;
DT 17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, sequence version 1.
DT 03-AUG-2022, entry version 58.
DE RecName: Full=ER lumen protein-retaining receptor 1-B;
DE AltName: Full=KDEL endoplasmic reticulum protein retention receptor 1-B;
DE Short=KDEL receptor 1-B;
GN Name=kdelr1-b;
OS Xenopus laevis (African clawed frog).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Xenopus.
OX NCBI_TaxID=8355;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC TISSUE=Brain;
RG NIH - Xenopus Gene Collection (XGC) project;
RL Submitted (AUG-2004) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Receptor for the C-terminal sequence motif K-D-E-L that is
CC present on endoplasmic reticulum resident proteins and that mediates
CC their recycling from the Golgi back to the endoplasmic reticulum.
CC {ECO:0000250|UniProtKB:P24390}.
CC -!- SUBCELLULAR LOCATION: Golgi apparatus membrane
CC {ECO:0000250|UniProtKB:P33946}; Multi-pass membrane protein
CC {ECO:0000250|UniProtKB:P33946}. Cytoplasmic vesicle, COPI-coated
CC vesicle membrane {ECO:0000250|UniProtKB:P33946}; Multi-pass membrane
CC protein {ECO:0000250|UniProtKB:P33946}. Endoplasmic reticulum membrane
CC {ECO:0000250|UniProtKB:P33946}; Multi-pass membrane protein
CC {ECO:0000250|UniProtKB:P33946}. Endoplasmic reticulum-Golgi
CC intermediate compartment membrane {ECO:0000250|UniProtKB:P33946};
CC Multi-pass membrane protein {ECO:0000250|UniProtKB:P33946}.
CC Note=Localized in the Golgi in the absence of bound proteins with the
CC sequence motif K-D-E-L. Trafficks back to the endoplasmic reticulum
CC together with cargo proteins containing the sequence motif K-D-E-L.
CC {ECO:0000250|UniProtKB:P33946}.
CC -!- SIMILARITY: Belongs to the ERD2 family. {ECO:0000305}.
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DR EMBL; BC080126; AAH80126.1; -; mRNA.
DR RefSeq; NP_001087576.1; NM_001094107.1.
DR AlphaFoldDB; Q68ES4; -.
DR SMR; Q68ES4; -.
DR DNASU; 447400; -.
DR GeneID; 447400; -.
DR KEGG; xla:447400; -.
DR CTD; 447400; -.
DR Xenbase; XB-GENE-6253883; kdelr1.L.
DR OMA; MRYLDIM; -.
DR OrthoDB; 1186269at2759; -.
DR Proteomes; UP000186698; Chromosome 7L.
DR Bgee; 447400; Expressed in lung and 19 other tissues.
DR GO; GO:0030663; C:COPI-coated vesicle membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0033116; C:endoplasmic reticulum-Golgi intermediate compartment membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0000139; C:Golgi membrane; ISS:UniProtKB.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005046; F:KDEL sequence binding; ISS:UniProtKB.
DR GO; GO:0006621; P:protein retention in ER lumen; IEA:InterPro.
DR GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR GO; GO:0006890; P:retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum; ISS:UniProtKB.
DR InterPro; IPR000133; ER_ret_rcpt.
DR PANTHER; PTHR10585; PTHR10585; 1.
DR Pfam; PF00810; ER_lumen_recept; 1.
DR PRINTS; PR00660; ERLUMENR.
DR PROSITE; PS00951; ER_LUMEN_RECEPTOR_1; 1.
DR PROSITE; PS00952; ER_LUMEN_RECEPTOR_2; 1.
PE 2: Evidence at transcript level;
KW Cytoplasmic vesicle; Endoplasmic reticulum; ER-Golgi transport;
KW Golgi apparatus; Membrane; Protein transport; Receptor; Reference proteome;
KW Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..212
FT /note="ER lumen protein-retaining receptor 1-B"
FT /id="PRO_0000252345"
FT TOPO_DOM 1..4
FT /note="Lumenal"
FT /evidence="ECO:0000305"
FT TRANSMEM 5..24
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 25..32
FT /note="Cytoplasmic"
FT /evidence="ECO:0000305"
FT TRANSMEM 33..52
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 53..58
FT /note="Lumenal"
FT /evidence="ECO:0000305"
FT TRANSMEM 59..79
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 80..92
FT /note="Cytoplasmic"
FT /evidence="ECO:0000305"
FT TRANSMEM 93..110
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 111..116
FT /note="Lumenal"
FT /evidence="ECO:0000305"
FT TRANSMEM 117..135
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 136..149
FT /note="Cytoplasmic"
FT /evidence="ECO:0000305"
FT TRANSMEM 150..168
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 169..178
FT /note="Lumenal"
FT /evidence="ECO:0000305"
FT TRANSMEM 179..199
FT /note="Helical"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT TOPO_DOM 200..212
FT /note="Cytoplasmic"
FT /evidence="ECO:0000305"
FT REGION 47..48
FT /note="Interaction with the K-D-E-L motif on target
FT proteins"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT REGION 159..169
FT /note="Interaction with the K-D-E-L motif on target
FT proteins"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT REGION 204..207
FT /note="Important for recycling of cargo proteins with the
FT sequence motif K-D-E-L from the Golgi to the endoplasmic
FT reticulum"
FT /evidence="ECO:0000250|UniProtKB:P33947"
FT SITE 5
FT /note="Interaction with the K-D-E-L motif on target
FT proteins"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT SITE 117
FT /note="Interaction with the K-D-E-L motif on target
FT proteins"
FT /evidence="ECO:0000250|UniProtKB:Q5ZKX9"
FT SITE 193
FT /note="Important for recycling of cargo proteins with the
FT sequence motif K-D-E-L from the Golgi to the endoplasmic
FT reticulum"
FT /evidence="ECO:0000250|UniProtKB:P24390"
SQ SEQUENCE 212 AA; 24657 MW; 605C773FEB2F7440 CRC64;
MNIFRFLGDI SHLSAIIILL LKIWKSRSCA GISGKSQLLF AIVFTTRYLD LFTNFISFYN
TSMKVVYVAS SYATVWMIYS KFKATYDGNH DTFRVEFLIV PTAILSFLVN HDFTPLEILW
TFSIYLESVA ILPQLFMVSK TGEAETITSH YLFALGIYRT LYLFNWIWRY QFEEFFDLIA
IVAGLVQTVL YCDFFYLYIT KVLKGKKLSL PA
