ATAD2B
ATPase family AAA domain-containing protein 2B
Also known as: ATD2B_HUMAN, KIAA1240
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q9ULI0
- Gene
- ATAD2B
- Ensembl
- ENSG00000119778
- Chromosome
- 2
- Canonical length
- 1458 aa
- Protein class
- Plasma proteins, Predicted intracellular proteins
- Subcellular location
- Nucleoplasm
OverviewNCBI Gene
The protein encoded by this gene belongs to the AAA ATPase family. This family member includes an N-terminal bromodomain. It has been found to be localized to the nucleus, partly to replication sites, consistent with a chromatin-related function. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jul 2014]
Canonical amino-acid sequenceUniProt
1458 residues, UniProt reviewed canonical sequence.
>Q9ULI0|ATAD2B
1 MVNTRKSSLR LLGSKSPGPG PGPGAGAEPG ATGGSSHFIS SRTRSSKTRA ASCPAAKAGG
61 SGGAGVTLDE ARKVEVDGSL SDSHVSPPAK RTLKQPDSVC KDKSKSRSTG QREEWNLSTG
121 QARLTSQPGA TLPNGHSGLS LRSHPLRGEK KGDGDLSCIN GDMEVRKSCR SRKNRFESVN
181 QSLLFDQLVN STAEAVLQEM DNINIRRNRR SGEVERLRMW TDTEFENMDM YSRVKRRRKS
241 LRRNSYGIQN HHEVSTEGEE EESQEEDGDI EVEEAEGEEN DRPYNLRQRK TVDRYQAPPI
301 VPAHQKKREN TLFDIHRSPA RRSHIRRKKH AIHSSDTTSS DEERFERRKS KSMARARNRC
361 LPMNFRAEDL ASGILRERVK VGASLADVDP MNIDKSVRFD SIGGLSHHIH ALKEMVVFPL
421 LYPEIFEKFK IQPPRGCLFY GPPGTGKTLV ARALANECSQ GDKKVAFFMR KGADCLSKWV
481 GESERQLRLL FDQAYLMRPS IIFFDEIDGL APVRSSRQDQ IHSSIVSTLL ALMDGLDNRG
541 EIVVIGATNR LDSIDPALRR PGRFDREFLF NLPDQKARKH ILQIHTRDWN PKLSDAFLGE
601 LAEKCVGYCG ADIKALCTEA ALIALRRRYP QIYASSHKLQ LDVSSIVLSA QDFYHAMQNI
661 VPASQRAVMS SGHALSPIIR PLLERSFNNI LAVLQKVFPH AEISQSDKKE DIETLILEDS
721 EDENALSIFE TNCHSGSPKK QSSSAAIHKP YLHFTMSPYH QPTSYRPRLL LSGERGSGQT
781 SHLAPALLHT LERFSVHRLD LPALYSVSAK TPEESCAQIF REARRTVPSI VYMPHIGDWW
841 EAVSETVRAT FLTLLQDIPS FSPIFLLSTS ETMYSELPEE VKCIFRIQYE EVLYIQRPIE
901 EDRRKFFQEL ILNQASMAPP RRKHAALCAM EVLPLALPSP PRQLSESEKS RMEDQEENTL
961 RELRLFLRDV TKRLATDKRF NIFSKPVDIE EVSDYLEVIK EPMDLSTVIT KIDKHNYLTA
1021 KDFLKDIDLI CSNALEYNPD KDPGDKIIRH RACTLKDTAH AIIAAELDPE FNKLCEEIKE
1081 ARIKRGLSVT SEQINPHSTG ARKTETRVEE AFRHKQRNPM DVWHNSANKC AFRVRRKSRR
1141 RSQWGKGIIK KRKVNNLKKD EEDTKFADYE NHTEDRKLLE NGEFEVSTDC HEENGEETGD
1201 LSMTNDESSC DIMDLDQGQR LNNGAGTKEN FASTEEESSN ESLLVNSSSS LNPEQTSRKE
1261 TFLKGNCLNG EASTDSFEGI PVLECQNGKL EVVSFCDSGD KCSSEQKILL EDQSKEKPET
1321 STENHGDDLE KLEALECSNN EKLEPGSDVE VKDAELDKEG ASKVKKYRKL ILEQAKTTSL
1381 ELVPEEPSEP VPPLIVDRER LKKLLDLLVD KSNNLAVDQL ERLYSLLSQC IYRHRKDYDK
1441 SQLVEEMERT VHMFETFLLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ATAD2B 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)
- 0.49
- Highest tissue expression
- 9.6 nTPM
Expression across tissuesHPA
Tissue
- thymus: 9.6 nTPM
- bone marrow: 9.2 nTPM
- retina: 8.7 nTPM
- skin: 7.8 nTPM
- lymph node: 6.9 nTPM
- vagina: 6.3 nTPM
Single-cell type
- neutrophil progenitors: 313 nCPM
- monocyte progenitors: 276 nCPM
- choroid plexus epithelial cells: 274 nCPM
- neutrophils: 268 nCPM
- tuft cells: 254 nCPM
- thymocytes: 247 nCPM
Immune cell
- basophil: 16 nTPM
- neutrophil: 12 nTPM
- plasmacytoid DC: 11 nTPM
- memory B-cell: 8.5 nTPM
- classical monocyte: 8 nTPM
- myeloid DC: 7.6 nTPM
Brain region
- choroid plexus: 31 nTPM
- cerebellum: 25 nTPM
- white matter: 24 nTPM
- medulla oblongata: 22 nTPM
- hypothalamus: 21 nTPM
- basal ganglia: 21 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)
- 0.16
- gnomAD pLI
- 1
- gnomAD missense Z
- 3.96
- DepMap mean gene effect
- -0.01
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Bromodomain
- AAA+ ATPase domain
- ATPase, AAA-type, core
- ATPase, AAA-type, conserved site
- Bromodomain, conserved site
- P-loop containing nucleoside triphosphate hydrolase
- Bromodomain-like superfamily
- AAA ATPase, AAA+ lid domain
- ATPase family AAA domain-containing protein ATAD2-like
- ATPase family associated with various cellular activities (AAA)
- Bromodomain
- AAA+ lid domain
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads ATAD2B as an antibody target. Whether an autoantibody or antibody against ATAD2B could matter depends on whether native ATAD2B is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ATAD2B 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 ATAD2B as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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