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Bsn Gene Detail
Summary
  • Symbol
    Bsn
  • Name
    bassoon
  • Synonyms
    presynaptic cytomatrix protein
  • Feature Type
    protein coding gene
  • IDs
    MGI:1277955
    NCBI Gene: 12217
  • Alliance
    genome feature page
  • Transcription Start Sites
    12 TSS
Location &
Maps
more
  • Sequence Map
    Chr9:107973221-108067583 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 9, 59.07 cM, cytoband F
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    2420 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1277955
 protein coding gene Chr9:107973221-108067618 (-)
129S1/SvImJ ENSMUSG00200041191
 protein coding gene Chr9:105171239-105265428 (-)
A/J ENSMUSG00195039337
 protein coding gene Chr9:104390005-104484409 (-)
AKR/J ENSMUSG00220023602
 protein coding gene Chr9:104777081-104871779 (-)
BALB/cJ ENSMUSG00180033403
 protein coding gene Chr9:104706512-104800891 (-)
C3H/HeJ ENSMUSG00175037071
 protein coding gene Chr9:105048798-105143181 (-)
C57BL/6NJ ENSMUSG00215035976
 protein coding gene Chr9:105025945-105120341 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0032678
 protein coding gene Chr9:103436231-103529145 (-)
CAST/EiJ ENSTCUG00005030485
 protein coding gene Chr9:104799587-104893959 (-)
CBA/J ENSMUSG00210038457
 protein coding gene Chr9:104898119-104991843 (-)
DBA/2J ENSMUSG00185033137
 protein coding gene Chr9:105057873-105152556 (-)
FVB/NJ ENSMUSG00205036033
 protein coding gene Chr9:105059553-105153940 (-)
JF1/MsJ ENSUMUG00000048724
 protein coding gene Chr9:104887360-104981084 (-)
LP/J ENSMUSG00230046823
 protein coding gene Chr9:105200125-105294293 (-)
NOD/ShiLtJ ENSMUSG00190028065
 protein coding gene Chr9:104696668-104791060 (-)
NZO/HlLtJ ENSMUSG00225022476
 protein coding gene Chr9:105431149-105525827 (-)
PWK/PhJ ENSLUMG00010034933
 protein coding gene Chr9:104844491-104938043 (-)
SPRET/EiJ ENSMSPG00010042500
 protein coding gene Chr9:106680041-106765364 (-)
WSB/EiJ ENSIUOG00005034865
 protein coding gene Chr9:104143147-104242304 (-)



Homology
more
  • Human Ortholog
    BSN, bassoon presynaptic cytomatrix protein
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    BSN, bassoon presynaptic cytomatrix protein
  • Synonyms
    ZNF231
  • Links
    NCBI Gene ID: 8927
    UniProt: Q9UPA5

  • Chr Location
    3p21.31; chr3:49554477-49673130 (+)  GRCh38
Human Diseases
more
  • Diseases
    1 with Bsn mouse models

Human Disease Mouse Models
      
IDs
 View 1 model
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    1 with disease annotations
  • References
    1 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    20 phenotypes from 2 alleles in 1 genetic background
    39 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Mutants lacking functional protein exhibit impaired hippocampal and photoreceptor synaptic transmission, aberrant photoreceptor ribbon synapse formation, and spontaneous epileptic seizures.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    80
  • GO References
    30
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    674
  • Tissues
    41
  • cDNA Data
    8
  • Literature Summary
    28
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000032589 Ensembl Gene Model | MGI Sequence Detail 94363 C57BL/6J ±  kb
    transcript ENSMUST00000035208 Ensembl | MGI Sequence Detail 15938 Not Applicable  
    polypeptide ENSMUSP00000035208 Ensembl | MGI Sequence Detail 3942 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 11
      Genomic 2
      cDNA 9
      Antibodies 1

      Microarray probesets 6
    References
    more
    • Summaries
      All 142
      Developmental Gene Expression 28
      Diseases 1
      Gene Ontology 30
      Phenotypes 39
    • Earliest
      J:48938 Dieck S, et al., Bassoon, a novel zinc-finger CAG/glutamine-repeat protein selectively localized at the active zone of presynaptic nerve terminals. J Cell Biol. 1998 Jul 27;142(2):499-509
    • Latest
      J:382980 Lu IL, et al., Hypoxia-inducible factor signaling regulates embryonic interneuron development, GRIN2B expression and adult cortical function. Dev Cell. 2026 Apr 8;61(4):773-786.e6
    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
    Citing These Resources
    Funding Information
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    Send questions and comments to User Support.     		last database update
    09/08/2026
    MGI 6.24     		The Jackson Laboratory