AMDHD2
N-acetylglucosamine-6-phosphate deacetylase
Also known as: CGI-14, NAGA_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q9Y303
- Gene
- AMDHD2
- Ensembl
- ENSG00000162066
- Chromosome
- 16
- Canonical length
- 409 aa
- Protein class
- Enzymes, Metabolic proteins, Predicted intracellular proteins
- Subcellular location
- Nucleoli,Cytosol
OverviewNCBI Gene
Enables N-acetylglucosamine-6-phosphate deacetylase activity. Involved in negative regulation of UDP-N-acetylglucosamine biosynthetic process. Located in nucleus. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
409 residues, UniProt reviewed canonical sequence.
>Q9Y303|AMDHD2
1 MRGEQGAAGA RVLQFTNCRI LRGGKLLRED LWVRGGRILD PEKLFFEERR VADERRDCGG
61 RILAPGFIDV QINGGFGVDF SQATEDVGSG VALVARRILS HGVTSFCPTL VTSPPEVYHK
121 VVPQIPVKSG GPHGAGVLGL HLEGPFISRE KRGAHPEAHL RSFEADAFQD LLATYGPLDN
181 VRIVTLAPEL GRSHEVIRAL TARGICVSLG HSVADLRAAE DAVWSGATFI THLFNAMLPF
241 HHRDPGIVGL LTSDRLPAGR CIFYGMIADG THTNPAALRI AHRAHPQGLV LVTDAIPALG
301 LGNGRHTLGQ QEVEVDGLTA YVAGTKTLSG SIAPMDVCVR HFLQATGCSM ESALEAASLH
361 PAQLLGLEKS KGTLDFGADA DFVVLDDSLH VQATYISGEL VWQADAARQLocalizationUniProt · AlphaFold · HPA
Whether an antibody against AMDHD2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.22
- Highest tissue expression
- 21 nTPM
Expression across tissuesHPA
Tissue
- spleen: 21 nTPM
- testis: 18 nTPM
- adrenal gland: 16 nTPM
- kidney: 16 nTPM
- small intestine: 15 nTPM
- skin: 12 nTPM
Single-cell type
- hofbauer cells: 223 nCPM
- late primary spermatocytes: 129 nCPM
- kupffer cells: 70 nCPM
- enterocytes: 55 nCPM
- early spermatids: 52 nCPM
- syncytiotrophoblasts: 39 nCPM
Immune cell
- non-classical monocyte: 10 nTPM
- plasmacytoid DC: 9.9 nTPM
- basophil: 9.6 nTPM
- eosinophil: 9.6 nTPM
- neutrophil: 8.4 nTPM
- intermediate monocyte: 7.5 nTPM
Brain region
- white matter: 9.9 nTPM
- thalamus: 9.7 nTPM
- cerebral cortex: 8.3 nTPM
- medulla oblongata: 8.1 nTPM
- basal ganglia: 7.5 nTPM
- midbrain: 7.5 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.81
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.52
- DepMap mean gene effect
- -0.07
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- N-acetylglucosamine catabolic process
- N-acetylneuraminate catabolic process
- UDP-N-acetylglucosamine biosynthetic process
- negative regulation of UDP-N-acetylglucosamine biosynthetic process
Molecular functions
- metal ion binding
- N-acetylglucosamine-6-phosphate deacetylase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Amidohydrolase-related
- Metal-dependent hydrolase, composite domain superfamily
- Metal-dependent hydrolase
- Amidohydrolase family
- N-acetylglucosamine-6-phosphate deacetylase
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of AMDHD2 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads AMDHD2 as an antibody target. Whether an autoantibody or antibody against AMDHD2 could matter depends on whether native AMDHD2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
AMDHD2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label AMDHD2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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