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Retnlb Gene Detail
Summary
  • Symbol
    Retnlb
  • Name
    resistin like beta
  • Synonyms
    9030012B21Rik, Fizz2, Relmb, RELMbeta, Xcp3
  • Feature Type
    protein coding gene
  • IDs
    MGI:1888505
    NCBI Gene: 57263
  • Alliance
  • Transcription Start Sites
    2 TSS
Location &
Maps
more
  • Sequence Map
    Chr16:48637219-48639255 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 16, 30.75 cM, cytoband B5
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    164 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1888505
protein coding gene Chr16:48637219-48639255 (+)
129S1/SvImJ ENSMUSG00200021433
protein coding gene Chr16:45522893-45524933 (+)
A/J ENSMUSG00195003408
protein coding gene Chr16:45124500-45126536 (+)
AKR/J ENSMUSG00220022134
protein coding gene Chr16:45475248-45477284 (+)
BALB/cJ ENSMUSG00180026127
protein coding gene Chr16:45329213-45331249 (+)
C3H/HeJ ENSMUSG00175024821
protein coding gene Chr16:45620566-45622586 (+)
C57BL/6NJ ENSMUSG00215006721
protein coding gene Chr16:45433636-45435672 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0020794
protein coding gene Chr16:45722805-45724834 (+)
CAST/EiJ ENSTCUG00005012563
protein coding gene Chr16:45763492-45765562 (+)
CBA/J ENSMUSG00210016403
protein coding gene Chr16:45650477-45652495 (+)
DBA/2J ENSMUSG00185010403
protein coding gene Chr16:45508694-45510730 (+)
FVB/NJ ENSMUSG00205010493
protein coding gene Chr16:45421203-45423229 (+)
JF1/MsJ ENSUMUG00000021330
protein coding gene Chr16:45748264-45750274 (+)
LP/J ENSMUSG00230026153
protein coding gene Chr16:48075058-48077094 (+)
NOD/ShiLtJ ENSMUSG00190017125
protein coding gene Chr16:45522326-45524362 (+)
NZO/HlLtJ ENSMUSG00225025601
protein coding gene Chr16:51166887-51168923 (+)
PWK/PhJ ENSLUMG00010026354
protein coding gene Chr16:45591571-45593591 (+)
SPRET/EiJ ENSMSPG00010007330
protein coding gene Chr16:45791751-45793792 (+)
WSB/EiJ ENSIUOG00005012943
protein coding gene Chr16:45717799-45719824 (+)



Homology
more
  • Human Ortholog
    RETNLB, resistin like beta
  • Vertebrate Orthologs
    2
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    RETNLB, resistin like beta
  • Synonyms
    FIZZ1, FIZZ2, HXCP2, RELMb, RELM-beta, RELMbeta, XCP2
  • Links
    NCBI Gene ID: 84666
    UniProt: Q9BQ08

  • Chr Location
    3q13.13; chr3:108743424-108757410 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    25 phenotypes from 3 alleles in 5 genetic backgrounds
    1 phenotype from multigenic genotypes
    2 images
    19 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.
Homozygous mutation of this gene on a C57BL/6 background provides protection from DSS-induced colitis while on an FVB/N background, mice are more susceptible to AOM/DSS-induced colon tumors.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
  • GO References
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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 57263 NCBI Gene Model | MGI Sequence Detail 2037 C57BL/6J ±  kb
    transcript NM_023881 RefSeq | MGI Sequence Detail 585 C57BL/6  
    polypeptide Q99P86 UniProt | EBI | MGI Sequence Detail 105 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 89
      cDNA 87
      Primer pair 1
      Other 1

      Microarray probesets 3
    Other
    Accession IDs
    less
    MGI:1925319
    References
    more
    • Summaries
      All 62
      Developmental Gene Expression 2
      Gene Ontology 6
      Phenotypes 19
    • Earliest
      J:63867 Holcomb IN, et al., FIZZ1, a novel cysteine-rich secreted protein associated with pulmonary inflammation, defines a new gene family. EMBO J. 2000 Aug 1;19(15):4046-55
    • Latest
      J:374016 Mirzadzare N, et al., Cathelicidin regulates goblet cell mucus secretion and mucus-associated proteins in Citrobacter rodentium-induced colitis. Gut Microbes. 2025 Dec;17(1):2538696

    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)
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    Funding Information
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    last database update
    09/15/2026
    MGI 6.29
    The Jackson Laboratory