3QR2


Conserved Protein Domain Family
Ig0_BSG1

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cd20940: Ig0_BSG1 
Immunoglobulin-like Ig0 domain of basigin-1 (BSG1) and similar proteins
The members here are composed of the immunoglobulin (Ig) domain of the collagenase stimulatory factor, basigin-1 (BSG1; also known as Cluster of Differentiation 147 (CD147) and Extracellular Matrix Metalloproteinase Inducer (EMMPRIN)) and similar proteins. CD147 is a transmembrane glycoprotein that belongs to the immunoglobulin superfamily. It is expressed in nearly all cells including platelets and fibroblasts and is involved in inflammatory diseases, and cancer progression. CD147 is highly expressed in several cancers and used as a prognostic marker. The two primary isoforms of CD147 that are related to cancer progression have been identified: CD147 Ig1-Ig2 (also called Basigin-2) that is ubiquitously expressed in most tissues and CD147 Ig0-Ig1-Ig2 (also called Basigin-1) that is retinal specific and implicated in retinoblastoma. Studies showed that CD147 Ig0 domain is a potent stimulator of interleukin-6 and suggest that the CD147 Ig0 dimer is the functional unit required for activity.
Statistics
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PSSM-Id: 409534
Aligned: 4 rows
Threshold Bit Score: 244.488
Created: 26-Nov-2018
Updated: 25-Oct-2021
Structure
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Program:
Drawing:
Aligned Rows:
  next features
Conserved site includes 5 residues -Click on image for an interactive view with Cn3D
Feature 1:Ig strand A [structural motif]
Evidence:
  • None

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Feature 1      #####                                                                          
3QR2_A     22 AGFVQAPLSQQRWVGGSVELHCEAVGSPVPEIQWWFEGqg-pnDICSQLWDGARLDRVHIHATYHQHAASTISIDTLVEE 100 human
CAK10947   24 AGFIKSPLSQMKLIEDNAELDCEVIGNPIPEVQWWFIEgeepdEIITQLFDGAREDRVHINATYIDHATSSLILTNLTFN 103 zebrafish
P35613     23 AGFVQAPLSQQRWVGGSVELHCEAVGSPVPEIQWWFEGqg-pnDTCSQLWDGARLDRVHIHATYHQHAASTISIDTLVEE 101 human
P17790     28 AGFIKSPLSQRRLTQDSVELHCEAVGSPIPEIQWWFEGne-pnETSAQLWDGAWQDRVQINATYNLHSTSTIYIANLTSD 106 chicken
Feature 1                                          
3QR2_A    101 DTGTYECRASNDPDRNHLTRAPRVKWVRAQAVVLVLE 137 human
CAK10947  104 DTGVYECRASNDPDRNDLRTPPKVKWIRSQANVIVFE 140 zebrafish
P35613    102 DTGTYECRASNDPDRNHLTRAPRVKWVRAQAVVLVLE 138 human
P17790    107 DSGTYECRASNDPDRNHLSKSPKVKWIRSQANVLVIE 143 chicken

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