P98198 (AT8B2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 121.
History...
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Probable phospholipid-transporting ATPase ID EC=3.6.3.1 Alternative name(s): ATPase class I type 8B member 2 | ||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 1209 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at transcript level |
General annotation (Comments)
| Catalytic activity | ATP + H2O + phospholipid(side 1) = ADP + phosphate + phospholipid(side 2). |
| Subcellular location | |
| Tissue specificity | Isoform 3 is ubiquitous, with highest expression in aorta, cerebellum and uterus. Ref.1 |
| Sequence similarities | Belongs to the cation transport ATPase (P-type) (TC 3.A.3) family. Type IV subfamily. [View classification] |
| Sequence caution | The sequence AAH30288.1 differs from that shown. Reason: Erroneous initiation. The sequence BAB70822.1 differs from that shown. Reason: Frameshift at position 364. The sequence BAG65556.1 differs from that shown. Reason: Erroneous initiation. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Membrane |
| Coding sequence diversity | Alternative splicing |
| Domain | Transmembrane Transmembrane helix |
| Ligand | ATP-binding Magnesium Metal-binding Nucleotide-binding |
| Molecular function | Hydrolase |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | ion transmembrane transport Traceable author statement. Source: Reactome |
| Cellular_component | integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membraneTraceable author statement. Source: Reactome |
| Molecular_function | ATP binding Inferred from electronic annotation. Source: UniProtKB-KW cation-transporting ATPase activityInferred from electronic annotation. Source: InterPro magnesium ion bindingInferred from electronic annotation. Source: InterPro phospholipid-translocating ATPase activityInferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Alternative products
| This entry describes 4 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: P98198-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Note: No experimental confirmation available. | ||||||
| Isoform 2 (identifier: P98198-2) The sequence of this isoform differs from the canonical sequence as follows: 434-461: GDVFDVLGHKAELGERPEPVDFSFNPLA → VGSEGPRRKGPSWPGTVAHAYSHSTLGG 462-1209: Missing. | ||||||
| Isoform 3 (identifier: P98198-3) The sequence of this isoform differs from the canonical sequence as follows: 1-29: MTVPKEMPEKWARAQAPPSWSRKKPSWGT → MDTLRAVPLFSISGLFSFPYRVSHGIAGILLGEMAVCAKKRPP | ||||||
| Isoform 4 (identifier: P98198-4) The sequence of this isoform differs from the canonical sequence as follows: 1-29: MTVPKEMPEKWARAQAPPSWSRKKPSWGT → MAVCAKKRPP 364-406: SVEVIRLGHS...TLNEELGQVE → RYVPSLTWGL...KSSSSCTVNI 407-1209: Missing. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1209 | 1209 | Probable phospholipid-transporting ATPase ID | PRO_0000046365 | |||||
Regions | |||||||||
| Topological domain | 1 – 64 | 64 | Cytoplasmic Potential | ||||||
| Transmembrane | 65 – 86 | 22 | Helical; Potential | ||||||
| Topological domain | 87 – 92 | 6 | Extracellular Potential | ||||||
| Transmembrane | 93 – 112 | 20 | Helical; Potential | ||||||
| Topological domain | 113 – 295 | 183 | Cytoplasmic Potential | ||||||
| Transmembrane | 296 – 317 | 22 | Helical; Potential | ||||||
| Topological domain | 318 – 346 | 29 | Extracellular Potential | ||||||
| Transmembrane | 347 – 368 | 22 | Helical; Potential | ||||||
| Topological domain | 369 – 889 | 521 | Cytoplasmic Potential | ||||||
| Transmembrane | 890 – 910 | 21 | Helical; Potential | ||||||
| Topological domain | 911 – 922 | 12 | Extracellular Potential | ||||||
| Transmembrane | 923 – 942 | 20 | Helical; Potential | ||||||
| Topological domain | 943 – 972 | 30 | Cytoplasmic Potential | ||||||
| Transmembrane | 973 – 994 | 22 | Helical; Potential | ||||||
| Topological domain | 995 – 1008 | 14 | Extracellular Potential | ||||||
| Transmembrane | 1009 – 1031 | 23 | Helical; Potential | ||||||
| Topological domain | 1032 – 1037 | 6 | Cytoplasmic Potential | ||||||
| Transmembrane | 1038 – 1058 | 21 | Helical; Potential | ||||||
| Topological domain | 1059 – 1078 | 20 | Extracellular Potential | ||||||
| Transmembrane | 1079 – 1103 | 25 | Helical; Potential | ||||||
| Topological domain | 1104 – 1209 | 106 | Cytoplasmic Potential | ||||||
Sites | |||||||||
| Active site | 411 | 1 | 4-aspartylphosphate intermediate By similarity | ||||||
| Metal binding | 833 | 1 | Magnesium By similarity | ||||||
| Metal binding | 837 | 1 | Magnesium By similarity | ||||||
Natural variations | |||||||||
| Alternative sequence | 1 – 29 | 29 | MTVPK…PSWGT → MDTLRAVPLFSISGLFSFPY RVSHGIAGILLGEMAVCAKK RPP in isoform 3. | VSP_037147 | |||||
| Alternative sequence | 1 – 29 | 29 | MTVPK…PSWGT → MAVCAKKRPP in isoform 4. | VSP_037148 | |||||
| Alternative sequence | 364 – 406 | 43 | SVEVI…LGQVE → RYVPSLTWGLSRESGGPIEL FFSMKMKSLRSNEKSSSSCT VNI in isoform 4. | VSP_037149 | |||||
| Alternative sequence | 407 – 1209 | 803 | Missing in isoform 4. | VSP_037150 | |||||
| Alternative sequence | 434 – 461 | 28 | GDVFD…FNPLA → VGSEGPRRKGPSWPGTVAHA YSHSTLGG in isoform 2. | VSP_007302 | |||||
| Alternative sequence | 462 – 1209 | 748 | Missing in isoform 2. | VSP_007303 | |||||
Experimental info | |||||||||
| Sequence conflict | 834 | 1 | G → E in BAA86451. Ref.5 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "FIC1, a P-type ATPase linked to cholestatic liver disease, has homologues (ATP8B2 and ATP8B3) expressed throughout the body." Harris M.J., Arias I.M. Biochim. Biophys. Acta 1633:127-131(2003) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 3), ALTERNATIVE SPLICING (ISOFORM 4), TISSUE SPECIFICITY. Tissue: Colon. |
| [2] | "Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. Sugano S.Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 671-1209 (ISOFORMS 1/3). Tissue: Cerebellum and Uterus. |
| [3] | "The DNA sequence and biological annotation of human chromosome 1." Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. Bentley D.R.Nature 441:315-321(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [4] | Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., Turner R. Venter J.C.Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [5] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 4), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 447-1209 (ISOFORMS 1/3). Tissue: Lung, Mammary gland and Muscle. |
| [6] | "Characterization of cDNA clones selected by the GeneMark analysis from size-fractionated cDNA libraries from human brain." Hirosawa M., Nagase T., Ishikawa K., Kikuno R., Nomura N., Ohara O. DNA Res. 6:329-336(1999) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 277-1209 (ISOFORMS 1/3). Tissue: Brain. |
| [7] | "The full-ORF clone resource of the German cDNA consortium." Bechtel S., Rosenfelder H., Duda A., Schmidt C.P., Ernst U., Wellenreuther R., Mehrle A., Schuster C., Bahr A., Bloecker H., Heubner D., Hoerlein A., Michel G., Wedler H., Koehrer K., Ottenwaelder B., Poustka A., Wiemann S., Schupp I. BMC Genomics 8:399-399(2007) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 1112-1209 (ISOFORM 1). Tissue: Testis. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AY302537 mRNA. Translation: AAQ19027.1. AK054886 mRNA. Translation: BAB70822.1. Frameshift. AK304806 mRNA. Translation: BAG65556.1. Different initiation. AL162591 Genomic DNA. Translation: CAH72858.1. CH471121 Genomic DNA. Translation: EAW53205.1. BC007837 mRNA. Translation: AAH07837.2. BC030288 mRNA. Translation: AAH30288.1. Different initiation. BC069264 mRNA. Translation: AAH69264.1. AB032963 mRNA. Translation: BAA86451.1. AL137537 mRNA. Translation: CAB70799.1. |
| IPI | IPI00258027. IPI00396074. IPI00431800. IPI00844415. |
| PIR | T46381. |
| RefSeq | NP_001005855.1. NM_001005855.1. NP_065185.1. NM_020452.3. |
| UniGene | Hs.435700. |
3D structure databases | |
| ProteinModelPortal | P98198. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 9606.ENSP00000357475. |
PTM databases | |
| PhosphoSite | P98198. |
Polymorphism databases | |
| DMDM | 30316371. |
Proteomic databases | |
| PaxDb | P98198. |
| PRIDE | P98198. |
Protocols and materials databases | |
| DNASU | 57198. |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000341822; ENSP00000340448; ENSG00000143515. ENST00000368487; ENSP00000357472; ENSG00000143515. ENST00000368489; ENSP00000357475; ENSG00000143515. |
| GeneID | 57198. |
| KEGG | hsa:57198. |
| UCSC | uc001few.3. human. uc001fex.3. human. uc001fey.1. human. |
Organism-specific databases | |
| CTD | 57198. |
| GeneCards | GC01P154298. |
| HGNC | HGNC:13534. ATP8B2. |
| HPA | HPA046680. |
| MIM | 605867. gene. |
| neXtProt | NX_P98198. |
| PharmGKB | PA25167. |
| HUGE | Search... |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | COG0474. |
| HOGENOM | HOG000202528. |
| HOVERGEN | HBG050601. |
| KO | K01530. |
| OMA | TLYWKES. |
Enzyme and pathway databases | |
| Reactome | REACT_15518. Transmembrane transport of small molecules. |
Gene expression databases | |
| ArrayExpress | P98198. |
| Bgee | P98198. |
| CleanEx | HS_ATP8B2. |
| Genevestigator | P98198. |
| GermOnline | ENSG00000143515. Homo sapiens. |
Family and domain databases | |
| Gene3D | 2.70.150.10. 2 hits. 3.40.1110.10. 1 hit. 3.40.50.1000. 2 hits. |
| InterPro | IPR023299. ATPase_P-typ_cyto_domN. IPR018303. ATPase_P-typ_P_site. IPR006539. ATPase_P-typ_Plipid-transp. IPR008250. ATPase_P-typ_transduc_dom_A. IPR001757. Cation_transp_P_typ_ATPase. IPR023214. HAD-like_dom. [Graphical view] |
| PANTHER | PTHR24092. PTHR24092. 1 hit. |
| Pfam | PF00122. E1-E2_ATPase. 1 hit. [Graphical view] |
| PRINTS | PR00119. CATATPASE. |
| SUPFAM | SSF81660. ATPase_cation_domN. 1 hit. SSF56784. HAD-like_dom. 1 hit. |
| TIGRFAMs | TIGR01652. ATPase-Plipid. 1 hit. TIGR01494. ATPase_P-type. 1 hit. |
| PROSITE | PS00154. ATPASE_E1_E2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| GenomeRNAi | 57198. |
| NextBio | 63288. |
| SOURCE | Search... |
Entry information
| Entry name | AT8B2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: P98198 Secondary accession number(s): B4E3P4 Q96NQ7 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 1 Human chromosome 1: entries, gene names and cross-references to MIM |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| SIMILARITY comments Index of protein domains and families |

Clusters with
