Guide to the Human Genome
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Name: B2M Sequence: fasta or formatted (119aa) NCBI GI: 4757826
Description:

beta-2-microglobulin precursor

Referenced in:

HLA and Related Proteins
Iron, Copper, and Arsenic Metabolism

Composition:

amino acid map
 Amino acid        Percentage    Count  Longest homopolymer
 A alanine             5.0          6           1
 C cysteine            1.7          2           1
 D aspartate           5.9          7           1
 E glutamate           7.6          9           1
 F phenylalanine       4.2          5           1
 G glycine             3.4          4           1
 H histidine           3.4          4           1
 I isoleucine          4.2          5           1
 K lysine              6.7          8           1
 L leucine            10.9         13           2
 M methionine          1.7          2           1
 N asparagine          4.2          5           1
 P proline             4.2          5           1
 Q glutamine           2.5          3           1
 R arginine            5.0          6           1
 S serine             10.9         13           1
 T threonine           4.2          5           1
 V valine              7.6          9           1
 W tryptophan          1.7          2           1
 Y tyrosine            5.0          6           2
Comparative genomics:

Search single species RefSeq proteins at NCBI
   H. sapiens
   M. musculus
   D. rerio
   C. intestinalis
   S. purpuratus
   D. melanogaster
   C. elegans
   A. thaliana
   S. cerevisiae
   E. coli W3110
   A. pernix K1

Search summary

comparative genomics plot

   Figure data

Additional searches of
RefSeq proteins at NCBI

   All
   Eukaryotes
   Bacteria
   Archaea
   Viruses
   Primates
   Mammals
   Vertebrates

Related human proteins:
Protein          Relative score         Description

Self-match            1.000   beta-2-microglobulin precursor 
HLA-DPA1              0.192   major histocompatibility complex, class II, DP alpha...
HLA-DPB1              0.169   major histocompatibility complex, class II, DP beta ...
HLA-DQA1              0.169   major histocompatibility complex, class II, DQ alpha...
LOC731682             0.164   PREDICTED: similar to major histocompatibility comp...
LOC100290966          0.164   PREDICTED: hypothetical protein XP_002346811 
LOC100294276          0.164   PREDICTED: similar to major histocompatibility comp...
LOC100294276          0.164   PREDICTED: similar to major histocompatibility comp...
LOC100294224          0.164   PREDICTED: similar to MHC class II antigen 
HLA-DQA2              0.160   major histocompatibility complex, class II, DQ alpha...
LOC731682             0.160   PREDICTED: similar to major histocompatibility comp...
LOC100294317          0.160   PREDICTED: similar to MHC HLA-DQ alpha 
LOC100294277          0.160   PREDICTED: similar to major histocompatibility comp...
LOC100294190          0.160   PREDICTED: similar to major histocompatibility comp...
LOC100294162          0.160   PREDICTED: similar to major histocompatibility comp...
LOC100294114          0.160   PREDICTED: similar to major histocompatibility comp...
HLA-DRB4              0.155   major histocompatibility complex, class II, DR beta ...
HLA-DRB4              0.155   PREDICTED: major histocompatibility complex, class ...
LOC100133678          0.155   PREDICTED: similar to major histocompatibility comp...
LOC100294275          0.155   PREDICTED: similar to major histocompatibility comp...
LOC100294275          0.155   PREDICTED: similar to major histocompatibility comp...
HLA-DMB               0.151   major histocompatibility complex, class II, DM beta p...
LOC100294036          0.151   PREDICTED: similar to HLA class II histocompatibili...
LOC100294468          0.151   PREDICTED: similar to HLA class II histocompatibili...
LOC100294189          0.151   PREDICTED: similar to HLA class II histocompatibili...
LOC100294189          0.151   PREDICTED: similar to HLA class II histocompatibili...
LOC100294161          0.151   PREDICTED: similar to HLA class II histocompatibili...
LOC100294161          0.151   PREDICTED: similar to HLA class II histocompatibili...
HLA-DRB1              0.146   major histocompatibility complex, class II, DR beta...
HLA-DRB5              0.146   major histocompatibility complex, class II, DR beta ...
Human BLASTP results (used to prepare the table)

Gene descriptions are from NCBI RefSeq. Search results were obtained with NCBI BLAST and RefSeq entries. When identical proteins are present, the self-match may not be listed first in BLASTP output. In such cases, the table above has been reordered to place it first.

See About the Figures for the scoring system used in the figure above right. The same scoring system was used in the table of BLASTP results.


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Guide to the Human Genome
Copyright © 2010 by Stewart Scherer. All rights reserved.

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