PIGR: polymeric immunoglobulin receptor  (P01833)
CDR-IMGT lengths: [8.1.15]
This figure has been generated with the IMGT/Collier de Perles tool initially implemented by Gérard Mennessier (LPM, Montpellier, France, 25/05/1997) and further developed by Manuel Ruiz (08/09/1999) and Quentin Kaas (15/11/2001).
Legend:
- Amino acids are shown in the one-letter abbreviation.
 
- Hydrophobic amino acids (hydropathy index with positive value) and Tryptophan (W) found at a given position in more than 50 % of analysed Ig and TcR sequences are shown in blue.
 
- All Proline (P) are shown in yellow.
 
- Arrows indicate the direction of the beta sheets and their different designations in 3D structure. This information has to be used carefully if not supported by experimental data.
 
- Hachured circles or squares correspond to missing positions according to the IMGT unique numbering.
 
- Missing positions in IMGT Colliers de Perles based on 3D structures may be due to incomplete experimental data. 
 
- The CDR-IMGT are limited by amino acids shown in squares, which belong to the neighbouring FR-IMGT.
 
 
See also:
- IMGT Repertoire:
 
- IMGT Scientific chart:
 
- IMGT Index:
 
- IMGT Education (FR):
 
- Tools: