Q9BZ23 (PANK2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
December 14, 2011.
Version 106.
History...
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Web links·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Web links·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Pantothenate kinase 2, mitochondrial Short name=hPanK2 EC=2.7.1.33 Alternative name(s): Pantothenic acid kinase 2 | ||||
| Gene names |
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| Organism | Homo sapiens (Human) | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo |
Protein attributes
| Sequence length | 570 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | May be the master regulator of the CoA biosynthesis By similarity. |
| Catalytic activity | ATP + (R)-pantothenate = ADP + (R)-4'-phosphopantothenate. |
| Enzyme regulation | Regulated by feedback inhibition by CoA and its thioesters. |
| Pathway | Cofactor biosynthesis; coenzyme A biosynthesis; CoA from (R)-pantothenate: step 1/5. |
| Subcellular location | Isoform 1: Mitochondrion Ref.1. Isoform 2: Cytoplasm Potential Ref.1. |
| Tissue specificity | Ubiquitous. Ref.7 |
| Involvement in disease | Defects in PANK2 are the cause of neurodegeneration with brain iron accumulation type 1 (NBIA1) [MIM:234200]; also known as pantothenate kinase-associated neurodegeneration (PKAN) or Hallervorden-Spatz syndrome (HSS). It is an autosomal recessive neurodegenerative disorder associated with iron accumulation in the brain, primarily in the basal ganglia. Clinical manifestations include progressive muscle spasticity, hyperreflexia, muscle rigidity, dystonia, dysarthria, and intellectual deterioration which progresses to severe dementia over several years. It is clinically classified into classic, atypical, and intermediate phenotypes. Classic forms present with onset in the first decade, rapid progression, loss of independent ambulation within 15 years. Atypical forms have onset in the second decade, slow progression, maintenance of independent ambulation up to 40 years later. Intermediate forms manifest onset in the first decade with slow progression or onset in the second decade with rapid progression. Patients with early onset tend to also develop pigmentary retinopathy, whereas those with later onset tend to also have speech disorders and psychiatric features. All patients have the 'eye of the tiger' sign on brain MRI. Ref.7 Ref.14 Ref.15 Defects in PANK2 are the cause of hypoprebetalipoproteinemia, acanthocytosis, retinitis pigmentosa, and pallidal degeneration (HARP) [MIM:607236]. HARP is a rare syndrome with many clinical similarities to NBIA1. |
| Miscellaneous | The HSS syndrome has been proposed to be renamed because of the unethical activities of Julius Hallervorden and Hugo Spatz during world war II. |
| Sequence similarities | Belongs to the type II pantothenate kinase family. |
| Sequence caution | The sequence BAC05173.1 differs from that shown. Reason: Erroneous initiation. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Coenzyme A biosynthesis |
| Cellular component | Cytoplasm Mitochondrion |
| Coding sequence diversity | Alternative initiation Alternative splicing Polymorphism |
| Disease | Disease mutation Neurodegeneration |
| Domain | Transit peptide |
| Ligand | ATP-binding Nucleotide-binding |
| Molecular function | Kinase Transferase |
| PTM | Phosphoprotein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological process | cell death Inferred from electronic annotation. Source: UniProtKB-KW coenzyme A biosynthetic processInferred from electronic annotation. Source: UniProtKB-KW pantothenate metabolic processTraceable author statement. Source: Reactome |
| Cellular component | mitochondrial intermembrane space Traceable author statement. Source: Reactome nucleusInferred from direct assay. Source: HPA |
| Molecular function | ATP binding Inferred from electronic annotation. Source: UniProtKB-KW pantothenate kinase activityInferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Binary interactions
With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| DHX36 | Q9H2U1 | 1 | EBI-1058434,EBI-1047643 | |
| LXN | Q9BS40 | 1 | EBI-1058434,EBI-1044504 | |
| QRICH2 | Q9H0J4 | 1 | EBI-1058434,EBI-1053637 | |
| RASGRF2 | O14827 | 1 | EBI-1058434,EBI-1055500 | |
| VDAC1 | P21796 | 1 | EBI-1058434,EBI-354158 | |
| YWHAQ | P27348 | 1 | EBI-1058434,EBI-359854 |
Alternative products
| This entry describes 4 isoforms produced by alternative splicing and alternative initiation. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q9BZ23-1) 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. | ||||||
| Isoform 3 (identifier: Q9BZ23-2) The sequence of this isoform differs from the canonical sequence as follows: 1-291: Missing. | ||||||
| Isoform 2 (identifier: Q9BZ23-3) The sequence of this isoform differs from the canonical sequence as follows: 1-123: Missing. | ||||||
| Note: Produced by alternative initiation at Met-124 of isoform 1. | ||||||
| Isoform 4 (identifier: Q9BZ23-4) The sequence of this isoform differs from the canonical sequence as follows: 1-110: Missing. 111-111: L → M | ||||||
| Note: May be produced by alternative initiation at Leu-111 of isoform 1. No experimental confirmation available. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Transit peptide | 1 – 46 | 46 | Mitochondrion Potential | ||||||
| Chain | 47 – 570 | 524 | Pantothenate kinase 2, mitochondrial | PRO_0000023201 | |||||
Regions | |||||||||
| Compositional bias | 236 – 243 | 8 | Poly-Glu | ||||||
Amino acid modifications | |||||||||
| Modified residue | 168 | 1 | Phosphoserine Ref.10 Ref.11 Ref.12 | ||||||
| Modified residue | 169 | 1 | Phosphoserine Ref.10 Ref.11 Ref.12 | ||||||
| Modified residue | 189 | 1 | Phosphoserine Ref.8 Ref.9 Ref.10 Ref.11 Ref.12 | ||||||
Natural variations | |||||||||
| Alternative sequence | 1 – 291 | 291 | Missing in isoform 3. | VSP_007424 | |||||
| Alternative sequence | 1 – 123 | 123 | Missing in isoform 2. | VSP_018825 | |||||
| Alternative sequence | 1 – 110 | 110 | Missing in isoform 4. | VSP_038494 | |||||
| Alternative sequence | 111 | 1 | L → M in isoform 4. | VSP_038495 | |||||
| Natural variant | 94 | 1 | R → P. Ref.3 | VAR_054484 | |||||
| Natural variant | 111 | 1 | L → Q. Ref.3 Ref.7 | VAR_015152 | |||||
| Natural variant | 126 | 1 | G → A. Ref.1 Ref.3 Ref.7 Corresponds to variant rs3737084 [ dbSNP | Ensembl ]. | VAR_015153 | |||||
| Natural variant | 134 | 1 | E → G in NBIA1. Ref.14 | VAR_060934 | |||||
| Natural variant | 219 | 1 | G → V in NBIA1; atypical. Ref.7 | VAR_015154 | |||||
| Natural variant | 234 | 1 | T → A in NBIA1; atypical. Ref.7 | VAR_015155 | |||||
| Natural variant | 249 | 1 | R → P in NBIA1. Ref.14 | VAR_060935 | |||||
| Natural variant | 264 | 1 | R → W in NBIA1. Ref.7 | VAR_015156 | |||||
| Natural variant | 278 | 1 | R → C in NBIA1; atypical. Ref.7 | VAR_015157 | |||||
| Natural variant | 278 | 1 | R → L in NBIA1. Ref.14 | VAR_060936 | |||||
| Natural variant | 282 | 1 | L → V in NBIA1. Ref.7 | VAR_015158 | |||||
| Natural variant | 286 | 1 | R → C in NBIA1. Ref.7 | VAR_015159 | |||||
| Natural variant | 322 | 1 | E → D in NBIA1; atypical. Ref.14 | VAR_060937 | |||||
| Natural variant | 322 | 1 | E → G in NBIA1. Ref.14 | VAR_060938 | |||||
| Natural variant | 327 | 1 | T → I in NBIA1. Ref.7 | VAR_015160 | |||||
| Natural variant | 351 | 1 | S → P in NBIA1; atypical. Ref.7 | VAR_015161 | |||||
| Natural variant | 355 | 1 | N → S in NBIA1; atypical. Ref.7 | VAR_015162 | |||||
| Natural variant | 357 | 1 | R → Q in NBIA1. Ref.14 | VAR_060939 | |||||
| Natural variant | 398 | 1 | A → T in NBIA1. Ref.14 | VAR_060940 | |||||
| Natural variant | 404 | 1 | N → I in NBIA1; atypical. Ref.7 | VAR_015163 | |||||
| Natural variant | 413 | 1 | L → P in NBIA1. Ref.7 | VAR_015164 | |||||
| Natural variant | 425 | 1 | Missing in NBIA1. | VAR_060941 | |||||
| Natural variant | 428 | 1 | C → Y in NBIA1. Ref.14 | VAR_060942 | |||||
| Natural variant | 447 | 1 | D → N in NBIA1. Ref.14 | VAR_060943 | |||||
| Natural variant | 471 | 1 | S → N in NBIA1. Ref.7 | VAR_015165 | |||||
| Natural variant | 497 | 1 | I → T in NBIA1. Ref.7 | VAR_015166 | |||||
| Natural variant | 500 | 1 | N → I in NBIA1. Ref.7 | VAR_015167 | |||||
| Natural variant | 501 | 1 | I → T in NBIA1; atypical. Ref.14 | VAR_060944 | |||||
| Natural variant | 509 | 1 | A → V in NBIA1. Ref.14 | VAR_060945 | |||||
| Natural variant | 511 | 1 | N → D in NBIA1. Ref.14 | VAR_060946 | |||||
| Natural variant | 521 | 1 | G → R in NBIA1; classic and atypical forms. Ref.7 Ref.15 | VAR_015168 | |||||
| Natural variant | 528 | 1 | T → M in NBIA1; classic and atypical forms. Ref.7 | VAR_015169 | |||||
| Natural variant | 532 | 1 | R → W in NBIA1. Ref.14 | VAR_060947 | |||||
| Natural variant | 563 | 1 | L → P in NBIA1. Ref.14 | VAR_060948 | |||||
| Natural variant | 570 | 1 | P → L in NBIA1; atypical. Ref.14 Ref.15 | VAR_060949 | |||||
Experimental info | |||||||||
| Sequence conflict | 460 | 1 | R → G in BAB13897. Ref.2 | ||||||
| Sequence conflict | 475 | 1 | M → K in BAB13897. Ref.2 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "An isoform of hPANK2, deficient in pantothenate kinase-associated neurodegeneration, localizes to mitochondria." Hoertnagel K., Prokisch H., Meitinger T. Hum. Mol. Genet. 12:321-327(2003) [PubMed: 12554685] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), VARIANT ALA-126, SUBCELLULAR LOCATION. Tissue: Brain. |
| [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: 14702039] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 3), NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 106-570 (ISOFORM 1). Tissue: Testis. |
| [3] | NIEHS SNPs program Submitted (MAR-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], VARIANTS PRO-94; GLN-111 AND ALA-126. |
| [4] | "The DNA sequence and comparative analysis of human chromosome 20." Deloukas P., Matthews L.H., Ashurst J.L., Burton J., Gilbert J.G.R., Jones M., Stavrides G., Almeida J.P., Babbage A.K., Bagguley C.L., Bailey J., Barlow K.F., Bates K.N., Beard L.M., Beare D.M., Beasley O.P., Bird C.P., Blakey S.E. Rogers J.Nature 414:865-871(2001) [PubMed: 11780052] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [5] | 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]. |
| [6] | "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: 17974005] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 406-570. Tissue: Brain. |
| [7] | "A novel pantothenate kinase gene (PANK2) is defective in Hallervorden-Spatz syndrome." Zhou B., Westaway S.K., Levinson B., Johnson M.A., Gitschier J., Hayflick S.J. Nat. Genet. 28:345-349(2001) [PubMed: 11479594] [Abstract] Cited for: IDENTIFICATION, ALTERNATIVE INITIATION AT LEU-111, VARIANTS GLN-111 AND ALA-126, VARIANTS NBIA1 VAL-219; ALA-234; TRP-264; CYS-278; VAL-282; CYS-286; ILE-327; PRO-351; SER-355; ILE-404; PRO-413; ASN-471; THR-497; ILE-500; ARG-521 AND MET-528, TISSUE SPECIFICITY. |
| [8] | "Combining protein-based IMAC, peptide-based IMAC, and MudPIT for efficient phosphoproteomic analysis." Cantin G.T., Yi W., Lu B., Park S.K., Xu T., Lee J.-D., Yates J.R. III J. Proteome Res. 7:1346-1351(2008) [PubMed: 18220336] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-189, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [9] | "Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle." Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R., Greff Z., Keri G., Stemmann O., Mann M. Mol. Cell 31:438-448(2008) [PubMed: 18691976] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-189, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [10] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed: 18669648] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-168; SER-169 AND SER-189, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [11] | "Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach." Gauci S., Helbig A.O., Slijper M., Krijgsveld J., Heck A.J., Mohammed S. Anal. Chem. 81:4493-4501(2009) [PubMed: 19413330] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-168; SER-169 AND SER-189, MASS SPECTROMETRY. Tissue: Embryonic kidney. |
| [12] | "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions." Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K. Sci. Signal. 2:RA46-RA46(2009) [PubMed: 19690332] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-168; SER-169 AND SER-189, MASS SPECTROMETRY. Tissue: Leukemic T-cell. |
| [13] | "HARP syndrome is allelic with pantothenate kinase-associated neurodegeneration." Ching K.H.L., Westaway S.K., Gitschier J., Higgins J.J., Hayflick S.J. Neurology 58:1673-1674(2002) [PubMed: 12058097] [Abstract] Cited for: INVOLVEMENT IN HARP. |
| [14] | "Genetic, clinical, and radiographic delineation of Hallervorden-Spatz syndrome." Hayflick S.J., Westaway S.K., Levinson B., Zhou B., Johnson M.A., Ching K.H., Gitschier J. N. Engl. J. Med. 348:33-40(2003) [PubMed: 12510040] [Abstract] Cited for: VARIANTS NBIA1 GLY-134; PRO-249; LEU-278; ASP-322; GLY-322; GLN-357; THR-398; LEU-425 DEL; TYR-428; ASN-447; THR-501; VAL-509; ASP-511; TRP-532; PRO-563 AND LEU-570. |
| [15] | "Atypical Hallervorden-Spatz disease with preserved cognition and obtrusive obsessions and compulsions." Nicholas A.P., Earnst K.S., Marson D.C. Mov. Disord. 20:880-886(2005) [PubMed: 15834858] [Abstract] Cited for: VARIANTS NBIA1 ARG-521 AND LEU-570. |
| + | Additional computationally mapped references. |
Web resources
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AF494409 mRNA. Translation: AAN32907.1. AK021791 mRNA. Translation: BAB13897.1. AK097796 mRNA. Translation: BAC05173.1. Different initiation. EU595875 Genomic DNA. Translation: ACD11492.1. AL353194, AL031670 Genomic DNA. Translation: CAI11036.1. AL353194, AL031670 Genomic DNA. Translation: CAI11037.1. AL031670, AL353194 Genomic DNA. Translation: CAI22385.1. AL031670, AL353194 Genomic DNA. Translation: CAI22386.1. CH471133 Genomic DNA. Translation: EAX10478.1. CH471133 Genomic DNA. Translation: EAX10476.1. AL713654 mRNA. Translation: CAD28463.1. BK000010 mRNA. Translation: DAA00004.1. |
| IPI | IPI00171176. IPI00550398. IPI00556350. IPI00954590. |
| RefSeq | NP_079236.3. NM_024960.4. NP_705902.2. NM_153638.2. NP_705904.1. NM_153640.2. |
| UniGene | Hs.516859. |
3D structure databases | |
| ProteinModelPortal | Q9BZ23. |
| SMR | Q9BZ23. Positions 208-569. |
| ModBase | Search... |
Protein-protein interaction databases | |
| MINT | MINT-3319143. |
| STRING | Q9BZ23. |
PTM databases | |
| PhosphoSite | Q9BZ23. |
Polymorphism databases | |
| DMDM | 118572682. |
Proteomic databases | |
| PRIDE | Q9BZ23. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000316562; ENSP00000313377; ENSG00000125779. |
| GeneID | 80025. |
| KEGG | hsa:80025. |
| UCSC | uc002wkc.1. human. |
Organism-specific databases | |
| CTD | 80025. |
| GeneCards | GC20P003869. |
| HGNC | HGNC:15894. PANK2. |
| HPA | HPA008440. HPA021795. |
| MIM | 234200. phenotype. 606157. gene. 607236. phenotype. |
| neXtProt | NX_Q9BZ23. |
| Orphanet | 216866. Classic pantothenate kinase associated neurodegeneration. |
| GenAtlas | Search... |
Phylogenomic databases | |
| GeneTree | ENSGT00390000020719. |
| HOVERGEN | HBG053495. |
| InParanoid | Q9BZ23. |
| OMA | AYGKTGH. |
| OrthoDB | EOG4PZJ6Z. |
| PhylomeDB | Q9BZ23. |
Enzyme and pathway databases | |
| BRENDA | 2.7.1.33. 2681. |
| Reactome | REACT_111217. Metabolism. |
Gene expression databases | |
| ArrayExpress | Q9BZ23. |
| Bgee | Q9BZ23. |
| CleanEx | HS_PANK2. |
| Genevestigator | Q9BZ23. |
Family and domain databases | |
| InterPro | IPR004567. Type_II_PanK. [Graphical view] |
| KO | K09680. |
| Pfam | PF03630. Fumble. 1 hit. [Graphical view] |
| TIGRFAMs | TIGR00555. PanK_eukar. 1 hit. |
| ProtoNet | Search... |
Other | |
| NextBio | 70178. |
| SOURCE | Search... |
Entry information
| Entry name | PANK2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q9BZ23 Secondary accession number(s): B1AK33 Q9HAF2 | ||||||||
| 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 20 Human chromosome 20: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| PATHWAY comments Index of metabolic and biosynthesis pathways |
| SIMILARITY comments Index of protein domains and families |

Clusters with