Guide to the Human Genome
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Name: NRXN1 Sequence: fasta or formatted (442aa) NCBI GI: 21070967
Description:

neurexin 1 isoform beta precursor

Referenced in:

Neurons

Other entries for this name:
alt prot [1477aa] neurexin 1 isoform alpha1 precursor
alt prot [1547aa] neurexin 1 isoform alpha2 precursor
Composition:

amino acid map
 Amino acid        Percentage    Count  Longest homopolymer
 A alanine             8.6         38           4
 C cysteine            0.9          4           1
 D aspartate           4.1         18           2
 E glutamate           5.2         23           2
 F phenylalanine       1.6          7           1
 G glycine            12.2         54          11
 H histidine           2.7         12           2
 I isoleucine          6.6         29           3
 K lysine              4.5         20           2
 L leucine             6.8         30           2
 M methionine          2.0          9           1
 N asparagine          4.3         19           1
 P proline             4.8         21           2
 Q glutamine           3.4         15           1
 R arginine            5.0         22           2
 S serine             10.2         45           3
 T threonine           6.3         28           4
 V valine              6.1         27           2
 W tryptophan          0.9          4           1
 Y tyrosine            3.8         17           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   neurexin 1 isoform beta precursor 
NRXN1                 0.788   neurexin 1 isoform alpha1 precursor 
NRXN1                 0.769   neurexin 1 isoform alpha2 precursor 
NRXN3                 0.603   neurexin 3 isoform 2 precursor 
NRXN3                 0.578   neurexin 3 isoform 3 precursor 
NRXN3                 0.530   neurexin 3 isoform 1 precursor 
NRXN2                 0.457   neurexin 2 isoform beta precursor 
NRXN2                 0.414   neurexin 2 isoform alpha-2 precursor 
NRXN2                 0.396   neurexin 2 isoform alpha-1 precursor 
CNTNAP2               0.044   cell recognition molecule Caspr2 precursor 
CNTNAP1               0.035   contactin associated protein 1 precursor 
CNTNAP4               0.032   cell recognition protein CASPR4 isoform 1 
CNTNAP5               0.024   contactin associated protein-like 5 
FAT1                  0.024   FAT tumor suppressor 1 precursor 
SLIT1                 0.020   slit homolog 1 
LAMA4                 0.019   laminin, alpha 4 isoform 2 precursor 
LAMA4                 0.019   laminin, alpha 4 isoform 1 precursor 
LAMA4                 0.019   laminin, alpha 4 isoform 2 precursor 
EVX2                  0.017   even-skipped homeobox 2 
GYPC                  0.017   glycophorin C isoform 2 
GYPC                  0.017   glycophorin C isoform 1 
HSPG2                 0.017   heparan sulfate proteoglycan 2 
EGFLAM                0.017   EGF-like, fibronectin type III and laminin G domains...
EGFLAM                0.017   EGF-like, fibronectin type III and laminin G domains...
AR                    0.017   androgen receptor isoform 1 
PURA                  0.016   purine-rich element binding protein A 
MAF                   0.016   v-maf musculoaponeurotic fibrosarcoma oncogene homol...
MAF                   0.016   v-maf musculoaponeurotic fibrosarcoma oncogene homolo...
LRCH2                 0.016   leucine-rich repeats and calponin homology (CH) dom...
FAT4                  0.016   FAT tumor suppressor homolog 4 
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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