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HRD1

Gene
hrd1
Protein
ERAD-associated E3 ubiquitin-protein ligase hrd1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
677 amino acids
Function
E3 ubiquitin-protein ligase which accepts ubiquitin specifically from endoplasmic reticulum-associated E2 ligases, and transfers it to substrates promoting their degradation. Mediates the degradation of endoplasmic reticulum proteins (ERQC), also called ER-associated degradation (ERAD). Component of the hrd1 ubiquitin ligase complex, which is part of the ERAD-L and ERAD-M pathways responsible for the rapid degradation of soluble lumenal and membrane proteins with misfolded lumenal domains (ERAD-L), or ER-membrane proteins with misfolded transmembrane domains (ERAD-M) (By similarity). Together with ubc7, required for the degradation of the transcription factor sre1 precursor in the absence of its binding partner scp1.
Similarity
Belongs to the HRD1 family.
Mass
75.657 kDa
Sequence
MKFILYVLASLVLFGLSVLLSLYSSANVYSATVMISQSPVHITIGLNVCLCLFFAIANALKTLLFGSLQTFELELLYEQFWITLTEIMLAITVFREAISISFFMLLSTLMFARVFHSICSFRTERLQIQLTDQRFHIFSRLTCAYFVLSILDASLIYLCFTSEHLGDKSTRMLFVCEFSVLLLNLTIEASKLCIYLYEARHLDQVWDEKSTYLFRLEVCRDGLRLLAYSLLFMYQFPYVSVPIYSIRQMYTCFYSLFRRIREHARFRQATRDMNAMYPTATEEQLTNSDRTCTICREEMFHPDHPPENTDEMEPLPRGLDMTPKRLPCGHILHFHCLRNWLERQQTCPICRRSVIGNQSSPTGIPASPNVRATQIATQVPNPQNTPTTTAVPGITNSSNQGDPQASTFNGVPNANSSGFAAHTQDLSSVIPRRIALRDGWTMLPIPGTRRIPTYSQSTSTTNPSATPTTGDPSNSTYGGPQTFPNSGNNPNFNRGIAGIVPPGWRLVSSNTQSLSTNSAMTSLYQNASSADNNLGSSLPNVVPLSRGLTQSNETSNTFPAASSNISSQLRELHTKIDELRETVSNFRADYNSIRTSLNQLEAASGINERIQTTSADSLLNSNGMSGTEGFENTQTSITTNDNQSSILTSSDQTSPFATDEDRQNSRNVQLETVDENF

Gene
HRD1
Protein
ERAD-associated E3 ubiquitin-protein ligase HRD1
Organism
Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056)
Length
575 amino acids
Function
E3 ubiquitin-protein ligase which accepts ubiquitin specifically from endoplasmic reticulum-associated E2 ligases, and transfers it to substrates promoting their degradation. Mediates the degradation of endoplasmic reticulum proteins (ERQC), also called ER-associated degradation (ERAD). Component of the HRD1 ubiquitin ligase complex, which is part of the ERAD-L and ERAD-M pathways responsible for the rapid degradation of soluble lumenal and membrane proteins with misfolded lumenal domains (ERAD-L), or ER-membrane proteins with misfolded transmembrane domains (ERAD-M) (By similarity).
Similarity
Belongs to the HRD1 family.
Mass
65.42 kDa
Sequence
MPREVSWPMWAMFITATYALAGWSAYSCATSFDDPLSALFMASSGVHFVIWGNFLIVHYCLFVWAIIRVLFGQLTAIEYDHIFERLHVVLVTLASIVITMRKTYMAGHMTILFYTLCLVAHWVLRDRMDFVFQVHGTDSSLLGILCSRFMFSLLVLGMVDYKMLKFCVQNTNVDGKRHDLYLMLALSFAQLILDVLHVVLLTSLNLFEMVRSRRTRSANLVYEGGTTDDDADDEVFILEGKYIYETVFDLTITVLKVILDIIQEVFVPWSITVVYSIFVRSIKAGESFLLVYNYWKNNKKLYEKLSDVSEEQLDDTDSMCIICMDDMLPTTETTKMNRRAKMLPCGHMLHFGCLKSWMERSQTCPICRLSVFANDSNSHATTQAREQTPPDLLQERGIDEHIDVIGMQDMSVQSISLHEGTAVRRGTTGNCMNQAYDGGLLSHEERDQAGWVAFPIEFRADNKVFFNLNDSQGDRQWMASYTSYPRQNMVNSDDPDNASESHSRIPSPSLPGSLEGTSSQVDVTVSAKDAPANACFVIATSKLEQTKEVEHLKRKVEELESRVEELSKRIKTDQV

Gene
HRD1
Protein
ERAD-associated E3 ubiquitin-protein ligase HRD1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
551 amino acids
Function
E3 ubiquitin-protein ligase which accepts ubiquitin specifically from endoplasmic reticulum-associated UBC1 and UBC7 E2 ligases, and transfers it to substrates promoting their degradation. Mediates the degradation of endoplasmic reticulum proteins (ERQC), also called ER-associated degradation (ERAD). Component of the HRD1 ubiquitin ligase complex, which is part of the ERAD-L and ERAD-M pathways responsible for the rapid degradation of soluble lumenal and membrane proteins with misfolded lumenal domains (ERAD-L), or ER-membrane proteins with misfolded transmembrane domains (ERAD-M). ERAD-L substrates are ubiquitinated through HRD1 in conjunction with the E2 ubiquitin-conjugating enzymes UBC1 and UBC7-CUE1. Ubiquitinated substrates are then removed to the cytosol via the action of the UFD1-NPL4-CDC48/p97 (UNC) AAA ATPase complex and targeted to the proteasome. ERAD-M substrates are processed by the same HRD1-HRD3 core complex, but only a subset of the other components is required for ERAD-M.
Similarity
Belongs to the HRD1 family.
Mass
63.535 kDa
Sequence
MVPENRRKQLAIFVVVTYLLTFYCVYSATKTSVSFLQVTLKLNEGFNLMVLSIFILLNSTLLWQLLTKLLFGELRLIEHEHIFERLPFTIINTLFMSSLFHERYFFTVAFFGLLLLYLKVFHWILKDRLEALLQSINDSTTMKTLIFSRFSFNLVLLAVVDYQIITRCISSIYTNQKSDIESTSLYLIQVMEFTMLLIDLLNLFLQTCLNFWEFYRSQQSLSNENNHIVHGDPTDENTVESDQSQPVLNDDDDDDDDDRQFTGLEGKFMYEKAIDVFTRFLKTALHLSMLIPFRMPMMLLKDVVWDILALYQSGTSLWKIWRNNKQLDDTLVTVTVEQLQNSANDDNICIICMDELIHSPNQQTWKNKNKKPKRLPCGHILHLSCLKNWMERSQTCPICRLPVFDEKGNVVQTTFTSNSDITTQTTVTDSTGIATDQQGFANEVDLLPTRTTSPDIRIVPTQNIDTLAMRTRSTSTPSPTWYTFPLHKTGDNSVGSSRSAYEFLITNSDEKENGIPVKLTIENHEVNSLHGDGGEQIAKKIVIPDKFIQHI

Gene
HRD1
Protein
ERAD-associated E3 ubiquitin-protein ligase HRD1
Organism
Oryza sativa subsp. japonica
Length
500 amino acids
Function
Probable component of the HRD1 ubiquitin ligase complex that mediates the rapid degradation of misfolded endoplasmic reticulum (ER) proteins, a process called ER-associated degradation (ERAD).
Similarity
Belongs to the HRD1 family.
Mass
56.262 kDa
Sequence
MIRLQTYAAFSLMATATAVYYAFSSREQFYPAMVYLSTSKICFVLLLNTGLVAMCVAWQLVKRLFLGTLREAEVERLNEQAWREVVEILFAVTIFRQDFSVSFLAMVAALLLVKALHWLAQKRVEYIETTPSVPMLSHARIVSFMLFLLVVDCLFLSNSLRSLIHKREASVAIFFSFEYMILATSTVSTFVKYIFYVSDMLMEGQWEKKAVYTFYLELISDLVHLSLYMLFFIAIFLNYGVPLHLIRELYETFRNFRIRIADYVRYRKITSNMNERFPDATADELNASDATCIICREEMTTAKKLLCGHLFHVHCLRSWLERQHTCPTCRAPILPPDNGRTAARPHGVHPGVQPVPGNGTPGSERAAGENISRRQAKLEAAASAASLYGRSFAYPPANNLNRYSTPPQSTSNGPQSGEASTSNQSPKGHATADPSAPTFYARGAVSSVTTTRELESSLQKAYENAIKSQIEMLQIQLQMFQHGATSSATNNENGEHTKSD