20210801201808032018022820210801IID00343SPRY domain-containing SOCS box protein 1Homo sapiens273Q96BD6A2A275Q59FA1Q5TIH9Q9BRY9Q9H6C5Substrate recognition component of a SCF-like ECS (Elongin BC-CUL2/5-SOCS-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins (PubMed:15601820, PubMed:21199876). Negatively regulates nitric oxide (NO) production and limits cellular toxicity in activated macrophages by mediating the ubiquitination and proteasomal degradation of NOS2 (PubMed:21199876). Acts as a bridge which links NOS2 with the ECS E3 ubiquitin ligase complex components ELOC and CUL5 (PubMed:21199876).Cytoplasm.SL-0086unkown00Phosphotyrosine; by MET3131SPSB1SPSB1_HUMANMGQKVTGGIKTVDMRDPTYRPLKQELQGLDYCKPTRLDLLLDMPPVSYDVQLLHSWNNNDRSLNVFVKEDDKLIFHRHPVAQSTDAIRGKVGYTRGLHVWQITWAMRQRGTHAVVGVATADAPLHSVGYTTLVGNNHESWGWDLGRNRLYHDGKNQPSKTYPAFLEPDETFIVPDSFLVALDMDDGTLSFIVDGQYMGVAFRGLKGKKLYPVVSAVWGHCEIRMRYLNGLDPEPLPLMDLCRRSVRLALGRERLGEIHTLPLPASLKAYLLYQ23f2oA31233order262jk9A30231order183f2oB31233order212jk9X-RAY5.520561531P.FILIPPAKOPOULOS,A.LOW,T.D.SHARPE,J.UPPENBERG,S.YAO,Z.KUANG,P.SAVITSKY,R.S.LEWIS,S.E.NICHOLSON,R.S.NORTON,A.BULLOCKSTRUCTURAL BASIS FOR PAR-4 RECOGNITION BY THE SPRY DOMAIN- AND SOCS BOX-CONTAINING PROTEINS SPSB1, SPSB2, AND SPSB4.2010J.MOL.BIOL.401389x-ray2jk9A30231100012jk9_12399Hetero dimer2jk9AQ96BD6IID003432jk9BQ96IZ0IID001772jk9A-2jk9B23f2oX-RAY277K5.520561531P.FILIPPAKOPOULOS,A.LOW,T.D.SHARPE,J.UPPENBERG,S.YAO,Z.KUANG,P.SAVITSKY,R.S.LEWIS,S.E.NICHOLSON,R.S.NORTON,A.N.BULLOCKSTRUCTURAL BASIS FOR PAR-4 RECOGNITION BY THE SPRY DOMAIN- AND SOCS BOX-CONTAINING PROTEINS SPSB1, SPSB2, AND SPSB4.2010J.MOL.BIOL.401389x-ray3f2oA312331000x-ray3f2oB31233100013f2o_11088Hetero dimer3f2oAQ96BD6IID003433f2oCP090523f2oA-3f2oC23f2o_21088Hetero dimer3f2oBQ96BD6IID003433f2oDP090523f2oB-3f2oD10-16,31-2731-9,17-3020-2731-191-12