NP_005513.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
24,489 Da
NCBI Official Full Name
homeobox protein Hox-A1 isoform a
NCBI Official Synonym Full Names
homeobox A1
NCBI Protein Information
homeobox protein Hox-A1
UniProt Protein Name
Homeobox protein Hox-A1
UniProt Synonym Protein Names
Homeobox protein Hox-1F
UniProt Synonym Gene Names
UniProt Entry Name
HXA1_HUMAN
NCBI Summary for HOXA1
In vertebrates, the genes encoding the class of transcription factors called homeobox genes are found in clusters named A, B, C, and D on four separate chromosomes. Expression of these proteins is spatially and temporally regulated during embryonic development. This gene is part of the A cluster on chromosome 7 and encodes a DNA-binding transcription factor which may regulate gene expression, morphogenesis, and differentiation. The encoded protein may be involved in the placement of hindbrain segments in the proper location along the anterior-posterior axis during development. Two transcript variants encoding two different isoforms have been found for this gene, with only one of the isoforms containing the homeodomain region. [provided by RefSeq, Jul 2008]
UniProt Comments for HOXA1
HOXA1: Sequence-specific transcription factor which is part of a developmental regulatory system that provides cells with specific positional identities on the anterior-posterior axis. Acts on the anterior body structures. Seems to act in the maintenance and/or generation of hindbrain segments. Defects in HOXA1 are the cause of Athabaskan brainstem dysgenesis syndrome (ABDS); also known as Narvajo brainstem syndrome. This syndrome is characterized by horizontal gaze palsy, sensorineural deafness, central hypoventilation, and developmental delay. Some patients had swallowing dysfunction, vocal cord paralysis, facial paresis, seizures, and cardiac outflow tract anomalies. Defects in HOXA1 are the cause of Bosley-Salih-Alorainy syndrome (BSAS). Affected individuals show horizontal gaze abnormalities, deafness, facial weakness, vascular malformations of the internal carotid arteries and cardiac outflow trac. Some patients manifest mental retardation and autism spectrum disorder. In contrast to individuals with ABSD, central hypoventilation is not observed in individuals with BSAS. Belongs to the Antp homeobox family. Labial subfamily. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: DNA-binding; Transcription factor; Oncoprotein
Chromosomal Location of Human Ortholog: 7p15.3
Cellular Component: nucleus
Molecular Function: protein binding; sequence-specific DNA binding
Biological Process: abducens nerve formation; anatomical structure morphogenesis; anterior/posterior pattern formation; artery morphogenesis; central nervous system neuron differentiation; cognition; embryonic neurocranium morphogenesis; facial nerve structural organization; facial nucleus development; inner ear development; motor axon guidance; multicellular organismal development; neuromuscular process; optokinetic behavior; outer ear morphogenesis; positive regulation of transcription from RNA polymerase II promoter; regulation of behavior; rhombomere 3 development; rhombomere 4 development; rhombomere 5 development; sensory perception of sound; transcription, DNA-dependent
Disease: Athabaskan Brainstem Dysgenesis Syndrome
Research Articles on HOXA1
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Products associated with anti-HOXA1 antibody
Pathways associated with anti-HOXA1 antibody
Diseases associated with anti-HOXA1 antibody
Organs/Tissues associated with anti-HOXA1 antibody
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