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Gene: SPAG4 (sperm associated antigen 4) Homo sapiens
Symbol: SPAG4
Name: sperm associated antigen 4
Description: Predicted to have protein membrane anchor. Predicted to be involved in cytoskeletal anchoring at nuclear membrane and nuclear envelope organization. Predicted to localize to the meiotic nuclear membrane microtubule tethering complex.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: acrosomal protein ACR55; cancer/testis antigen 127; CT127; outer dense fiber-associated protein SPAG4; Sad1 and UNC84 domain containing 4; sperm antigen 4; sperm tail protein; sperm-associated antigen 4 protein; SUN domain-containing protein 4; SUN4
Mus musculus (house mouse) : Spag4 (sperm associated antigen 4)  MGI  Alliance
Rattus norvegicus (Norway rat) : Spag4 (sperm associated antigen 4)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Spag4 (sperm associated antigen 4)
Pan paniscus (bonobo/pygmy chimpanzee) : SPAG4 (sperm associated antigen 4)
Canis lupus familiaris (dog) : SPAG4 (sperm associated antigen 4)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Spag4 (sperm associated antigen 4)
Sus scrofa (pig) : SPAG4 (sperm associated antigen 4)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh382035,615,829 - 35,621,094 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh372034,203,776 - 34,208,967 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 362033,667,223 - 33,672,379 (+)NCBINCBI36hg18NCBI36
Build 342033,667,222 - 33,672,379NCBI
Celera2030,952,104 - 30,957,260 (+)NCBI
Cytogenetic Map20q11.22NCBI
HuRef2030,981,190 - 30,986,346 (+)NCBIHuRef
CHM1_12034,105,448 - 34,110,658 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Gene-Chemical Interaction Annotations
Gene Ontology Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status



Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
More on SPAG4
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 734255
Created: 2004-01-12
Species: Homo sapiens
Last Modified: 2019-11-26
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.