| IED ID | IndEnz0002005463 |
| Enzyme Type ID | protease005463 |
| Protein Name |
Complement C1r-B subcomponent EC 3.4.21.41 Complement component 1 subcomponent r-B Cleaved into: Complement C1r-B subcomponent heavy chain; Complement C1r-B subcomponent light chain |
| Gene Name | C1rb C1r |
| Organism | Mus musculus (Mouse) |
| Taxonomic Lineage | cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Euarchontoglires Glires (Rodents and rabbits) Rodentia Myomorpha (mice and others) Muroidea Muridae Murinae Mus Mus Mus musculus (Mouse) |
| Enzyme Sequence | MWLFALLVTLFYGVEGSIYLPQKLYGEVTSPLYPKPYPSDLETTTVITVPMGYRVKLVFWQFDVEPSEGCLYDYVKISADKQTLGRFCGQLDSPLGNPPGSKEFMSQGNKMLLTFHTDFSNEENGTIMFYKGFLAYYQAVDLDECASQPNSVEEGLQPRCQHLCHNYVGGYFCSCHPGYELQKDGQSCQAECSSELYTEPSGYVSSLEYPQPYPPDLRCNYSIRVERGLTVHLKFLDPFEIDDHQQVHCPYDQLQIYANGKNLGEFCGKQRPPDLDTSSNAVDLLFFTDESGDSRGWKLHYTTETIKCPQPKALDEFTIIQDPQPQYQFRDYFTVTCKQGYQLMEGNQALLSFTAVCQHDGTWHRAMPRCKIKNCGQPQSLSNGDFRYITTKGVTTYEASIQYHCHEPYYKMLTRAGSSESMRGIYTCTAQGIWKNEEEGEKMPRCLPVCGKPVNPVTQKERIIGGQPARPGNFPWQAFTTIYGPGGGALLGDRWILTAAHTIYPKYPNKGKNTNPRTLVFLGHTNMEQIQKLGHHPVRRVIIHPDYRQEEPDNFEGDIALLELENSVTLGPELLPICLPDNETFYGQGLMGYVSGFGTTGNRIPFHLRFVRLPVADREACQRWLWTKKDTSPFSQNMFCSGDPAVQQDACQGDSGGVFAVRDRNRDIWVATGIVSWGIGCGEGYGFYTKVLNYVDWIKKEMGDEN |
| Enzyme Length | 706 |
| Uniprot Accession Number | Q8CFG9 |
| Absorption | |
| Active Site | ACT_SITE 501; /note=Charge relay system; /evidence=ECO:0000250; ACT_SITE 558; /note=Charge relay system; /evidence=ECO:0000250; ACT_SITE 655; /note=Charge relay system; /evidence=ECO:0000250 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=Selective cleavage of Lys(or Arg)-|-Ile bond in complement subcomponent C1s to form the active form of C1s (EC 3.4.21.42).; EC=3.4.21.41; |
| DNA Binding | |
| EC Number | 3.4.21.41 |
| Enzyme Function | FUNCTION: C1r B chain is a serine protease that combines with C1q and C1s to form C1, the first component of the classical pathway of the complement system. {ECO:0000250}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (3); Chain (3); Disulfide bond (13); Domain (6); Glycosylation (3); Modified residue (2); Signal peptide (1) |
| Keywords | Complement pathway;Disulfide bond;EGF-like domain;Glycoprotein;Hydrolase;Hydroxylation;Immunity;Innate immunity;Phosphoprotein;Protease;Reference proteome;Repeat;Serine protease;Signal;Sushi |
| Interact With | |
| Induction | |
| Subcellular Location | |
| Modified Residue | MOD_RES 166; /note=(3R)-3-hydroxyasparagine; /evidence=ECO:0000250; MOD_RES 205; /note=Phosphoserine; by CK2; /evidence=ECO:0000250|UniProtKB:P00736 |
| Post Translational Modification | PTM: The iron and 2-oxoglutarate dependent 3-hydroxylation of aspartate and asparagine is (R) stereospecific within EGF domains. {ECO:0000250}. |
| Signal Peptide | SIGNAL 1..16; /evidence=ECO:0000250 |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | 17159910; |
| Motif | |
| Gene Encoded By | |
| Mass | 79,936 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |