Q9H4A9 (DPEP2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 86.
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: Dipeptidase 2 EC=3.4.13.19 | ||||
| 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 | 486 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 | Probable metalloprotease which hydrolyzes leukotriene D4 (LTD4) into leukotriene E4 (LTE4) By similarity. |
| Catalytic activity | Hydrolysis of dipeptides. |
| Cofactor | Zinc By similarity. |
| Enzyme regulation | Inhibited by L-penicillamine By similarity. |
| Subunit structure | Homodimer; disulfide-linked By similarity. |
| Subcellular location | Membrane; Lipid-anchor › GPI-anchor By similarity. |
| Sequence similarities | Belongs to the peptidase M19 family. |
| Sequence caution | The sequence AAQ88819.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Membrane |
| Coding sequence diversity | Alternative splicing Polymorphism |
| Domain | Signal |
| Ligand | Metal-binding Zinc |
| Molecular function | Dipeptidase Hydrolase Metalloprotease Protease |
| PTM | Disulfide bond GPI-anchor Glycoprotein Lipoprotein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | proteolysis Inferred from electronic annotation. Source: UniProtKB-KW |
| Cellular_component | anchored to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membraneTraceable author statement. Source: Reactome |
| Molecular_function | dipeptidase activity Inferred from electronic annotation. Source: UniProtKB-KW dipeptidyl-peptidase activityInferred from electronic annotation. Source: InterPro metal ion bindingInferred from electronic annotation. Source: UniProtKB-KW metalloexopeptidase activityInferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Alternative products
| This entry describes 2 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q9H4A9-1) 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 2 (identifier: Q9H4A9-2) The sequence of this isoform differs from the canonical sequence as follows: 43-129: Missing. | ||||||
| Note: No experimental confirmation available. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 32 | 32 | Potential | ||||||||
| Chain | 33 – 463 | 431 | Dipeptidase 2 | PRO_0000231603 | |||||||
| Propeptide | 464 – 486 | 23 | Removed in mature form Potential | PRO_0000231604 | |||||||
Sites | |||||||||||
| Metal binding | 89 | 1 | Zinc 1; catalytic By similarity | ||||||||
| Metal binding | 91 | 1 | Zinc 1; catalytic By similarity | ||||||||
| Metal binding | 188 | 1 | Zinc 1; catalytic By similarity | ||||||||
| Metal binding | 188 | 1 | Zinc 2; catalytic By similarity | ||||||||
| Metal binding | 261 | 1 | Zinc 2; catalytic By similarity | ||||||||
| Metal binding | 282 | 1 | Zinc 2; catalytic By similarity | ||||||||
| Binding site | 215 | 1 | Substrate By similarity | ||||||||
| Binding site | 293 | 1 | Substrate By similarity | ||||||||
| Binding site | 351 | 1 | Substrate By similarity | ||||||||
Amino acid modifications | |||||||||||
| Lipidation | 463 | 1 | GPI-anchor amidated serine Potential | ||||||||
| Glycosylation | 111 | 1 | N-linked (GlcNAc...) Ref.7 | ||||||||
| Glycosylation | 176 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 235 | 1 | N-linked (GlcNAc...) Ref.7 | ||||||||
| Disulfide bond | 138 ↔ 217 | By similarity | |||||||||
| Disulfide bond | 289 ↔ 321 | By similarity | |||||||||
| Disulfide bond | 426 | Interchain By similarity | |||||||||
Natural variations | |||||||||||
| Alternative sequence | 43 – 129 | 87 | Missing in isoform 2. | VSP_017851 | |||||||
| Natural variant | 201 | 1 | P → R. Ref.1 Ref.2 Ref.4 Ref.5 Ref.6 Corresponds to variant rs255051 [ dbSNP | Ensembl ]. | VAR_060230 | |||||||
| Natural variant | 468 | 1 | H → D. Corresponds to variant rs1133090 [ dbSNP | Ensembl ]. | VAR_033894 | |||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Cloning and sequencing of a human homologue of renal membrane dipeptidase." Chen J.M., Fortunato M., Barrett A.J. Submitted (OCT-2000) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), VARIANT ARG-201. Tissue: Uterus. |
| [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 1), VARIANT ARG-201. Tissue: Testis. |
| [3] | "The sequence and analysis of duplication-rich human chromosome 16." Martin J., Han C., Gordon L.A., Terry A., Prabhakar S., She X., Xie G., Hellsten U., Chan Y.M., Altherr M., Couronne O., Aerts A., Bajorek E., Black S., Blumer H., Branscomb E., Brown N.C., Bruno W.J. Pennacchio L.A.Nature 432:988-994(2004) [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 (JUL-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], VARIANT ARG-201. |
| [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 2), VARIANT ARG-201. Tissue: Lung. |
| [6] | "The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment." Clark H.F., Gurney A.L., Abaya E., Baker K., Baldwin D.T., Brush J., Chen J., Chow B., Chui C., Crowley C., Currell B., Deuel B., Dowd P., Eaton D., Foster J.S., Grimaldi C., Gu Q., Hass P.E. Gray A.M.Genome Res. 13:2265-2270(2003) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 18-486 (ISOFORM 1), VARIANT ARG-201. |
| [7] | "Human plasma N-glycoproteome analysis by immunoaffinity subtraction, hydrazide chemistry, and mass spectrometry." Liu T., Qian W.-J., Gritsenko M.A., Camp D.G. II, Monroe M.E., Moore R.J., Smith R.D. J. Proteome Res. 4:2070-2080(2005) [PubMed] [Europe PMC] [Abstract] Cited for: GLYCOSYLATION [LARGE SCALE ANALYSIS] AT ASN-111 AND ASN-235, MASS SPECTROMETRY. Tissue: Plasma. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AJ295149 mRNA. Translation: CAC14667.1. AK315090 mRNA. Translation: BAG37555.1. AC040162 Genomic DNA. No translation available. CH471092 Genomic DNA. Translation: EAW83200.1. BC024021 mRNA. Translation: AAH24021.1. AY358454 mRNA. Translation: AAQ88819.1. Different initiation. |
| IPI | IPI00007127. IPI00290954. |
| RefSeq | NP_071750.1. NM_022355.3. |
| UniGene | Hs.372633. |
3D structure databases | |
| ProteinModelPortal | Q9H4A9. |
| SMR | Q9H4A9. Positions 72-428. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | Q9H4A9. 1 interaction. |
| STRING | 9606.ENSP00000268795. |
Protein family/group databases | |
| MEROPS | M19.002. |
Polymorphism databases | |
| DMDM | 296434482. |
Proteomic databases | |
| PaxDb | Q9H4A9. |
| PRIDE | Q9H4A9. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000393847; ENSP00000377430; ENSG00000167261. ENST00000412757; ENSP00000412549; ENSG00000167261. ENST00000572888; ENSP00000458977; ENSG00000167261. |
| GeneID | 64174. |
| KEGG | hsa:64174. |
| UCSC | uc002eve.3. human. |
Organism-specific databases | |
| CTD | 64174. |
| GeneCards | GC16M068021. |
| HGNC | HGNC:23028. DPEP2. |
| HPA | HPA035644. |
| MIM | 609925. gene. |
| neXtProt | NX_Q9H4A9. |
| PharmGKB | PA134985997. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | COG2355. |
| HOGENOM | HOG000072016. |
| HOVERGEN | HBG002339. |
| InParanoid | Q9H4A9. |
| OMA | CKNARNV. |
| OrthoDB | EOG4X97J0. |
| PhylomeDB | Q9H4A9. |
Enzyme and pathway databases | |
| BioCyc | MetaCyc:HS09532-MONOMER. |
| Reactome | REACT_111217. Metabolism. |
Gene expression databases | |
| ArrayExpress | Q9H4A9. |
| Bgee | Q9H4A9. |
| CleanEx | HS_DPEP2. |
| Genevestigator | Q9H4A9. |
| GermOnline | ENSG00000167261. Homo sapiens. |
Family and domain databases | |
| InterPro | IPR000180. Pept_M19_AS. IPR008257. Peptidase_M19. [Graphical view] |
| PANTHER | PTHR10443. PTHR10443. 1 hit. |
| Pfam | PF01244. Peptidase_M19. 1 hit. [Graphical view] |
| PROSITE | PS00869. RENAL_DIPEPTIDASE_1. 1 hit. PS51365. RENAL_DIPEPTIDASE_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| GenomeRNAi | 64174. |
| NextBio | 66091. |
| SOURCE | Search... |
Entry information
| Entry name | DPEP2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q9H4A9 Secondary accession number(s): B2RCF8, Q6UX92, Q8TC95 | ||||||||
| Entry history |
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| 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
| Peptidase families Classification of peptidase families and list of entries |
| Human chromosome 16 Human chromosome 16: 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 |
| SIMILARITY comments Index of protein domains and families |

Clusters with
