P08697 (A2AP_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 148.
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: Alpha-2-antiplasmin Short name=Alpha-2-AP Alternative name(s): Alpha-2-plasmin inhibitor Short name=Alpha-2-PI Serpin F2 | ||||
| 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 | 491 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 | Serine protease inhibitor. The major targets of this inhibitor are plasmin and trypsin, but it also inactivates matriptase-3/TMPRSS7 and chymotrypsin. Ref.16 |
| Subunit structure | Forms protease inhibiting heterodimer with TMPRSS7. |
| Subcellular location | |
| Tissue specificity | Expressed by the liver and secreted in plasma. |
| Involvement in disease | Alpha-2-plasmin inhibitor deficiency (APLID) [MIM:262850]: An autosomal recessive disorder resulting in severe hemorrhagic diathesis. |
| Sequence similarities | Belongs to the serpin family. |
Ontologies
Alternative products
| This entry describes 2 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: P08697-1) 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: P08697-2) The sequence of this isoform differs from the canonical sequence as follows: 56-119: Missing. 120-122: LAL → VQP |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 27 | 27 | Ref.8 Ref.9 | ||||||||
| Propeptide | 28 – 39 | 12 | PRO_0000032511 | ||||||||
| Chain | 40 – 491 | 452 | Alpha-2-antiplasmin | PRO_0000032512 | |||||||
Sites | |||||||||||
| Site | 403 – 404 | 2 | Reactive bond for plasmin | ||||||||
| Site | 404 – 405 | 2 | Reactive bond for chymotrypsin | ||||||||
Amino acid modifications | |||||||||||
| Modified residue | 484 | 1 | Sulfotyrosine | ||||||||
| Glycosylation | 126 | 1 | N-linked (GlcNAc...) Ref.17 | ||||||||
| Glycosylation | 295 | 1 | N-linked (GlcNAc...) Ref.17 | ||||||||
| Glycosylation | 309 | 1 | N-linked (GlcNAc...) Ref.17 | ||||||||
| Glycosylation | 316 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Disulfide bond | 70 ↔ 143 | Ref.15 | |||||||||
| Cross-link | 41 | Isoglutamyl lysine isopeptide (Gln-Lys) (interchain with K-322 in alpha-fibrinogen) | |||||||||
Natural variations | |||||||||||
| Alternative sequence | 56 – 119 | 64 | Missing in isoform 2. | VSP_043833 | |||||||
| Alternative sequence | 120 – 122 | 3 | LAL → VQP in isoform 2. | VSP_043834 | |||||||
| Natural variant | 2 | 1 | A → V. Ref.6 Corresponds to variant rs2070862 [ dbSNP | Ensembl ]. | VAR_047951 | |||||||
| Natural variant | 27 | 1 | A → V. Ref.19 | VAR_013252 | |||||||
| Natural variant | 33 | 1 | R → W. Ref.19 Corresponds to variant rs2070863 [ dbSNP | Ensembl ]. | VAR_013253 | |||||||
| Natural variant | 98 | 1 | A → G. Corresponds to variant rs36021516 [ dbSNP | Ensembl ]. | VAR_051956 | |||||||
| Natural variant | 176 | 1 | Missing in APLID; variant Okinawa; probably blocks intracellular transport of alpha-2-plasmin inhibitor. Ref.18 | VAR_013254 | |||||||
| Natural variant | 411 | 1 | V → M in APLID. Ref.19 | VAR_013255 | |||||||
| Natural variant | 434 | 1 | R → K. Ref.19 Corresponds to variant rs1057335 [ dbSNP | Ensembl ]. | VAR_013256 | |||||||
| Natural variant | 451 | 1 | P → S. Corresponds to variant rs57360598 [ dbSNP | Ensembl ]. | VAR_061792 | |||||||
Experimental info | |||||||||||
| Sequence conflict | 49 | 1 | L → G AA sequence Ref.10 | ||||||||
| Sequence conflict | 105 | 1 | N → D AA sequence Ref.10 | ||||||||
| Sequence conflict | 289 | 1 | H → D in AAA35543. Ref.7 | ||||||||
| Sequence conflict | 408 | 1 | S → G AA sequence Ref.10 | ||||||||
| Sequence conflict | 455 | 1 | D → N AA sequence Ref.10 | ||||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Structure of human alpha 2-plasmin inhibitor deduced from the cDNA sequence." Tone M., Kikuno R., Kume-Iwaki A., Hashimoto-Gotoh T. J. Biochem. 102:1033-1041(1987) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1). Tissue: Liver. |
| [2] | "Organization of the human alpha 2-plasmin inhibitor gene." Hirosawa S., Nakamura Y., Miura O., Sumi Y., Aoki N. Proc. Natl. Acad. Sci. U.S.A. 85:6836-6840(1988) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], ALTERNATIVE SPLICING (ISOFORM 1). |
| [3] | Erratum Hirosawa S., Nakamura Y., Miura O., Sumi Y., Aoki N. Proc. Natl. Acad. Sci. U.S.A. 86:1612-1613(1989) |
| [4] | "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). Tissue: Liver. |
| [5] | "DNA sequence of human chromosome 17 and analysis of rearrangement in the human lineage." Zody M.C., Garber M., Adams D.J., Sharpe T., Harrow J., Lupski J.R., Nicholson C., Searle S.M., Wilming L., Young S.K., Abouelleil A., Allen N.R., Bi W., Bloom T., Borowsky M.L., Bugalter B.E., Butler J., Chang J.L. Nusbaum C.Nature 440:1045-1049(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [6] | "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 1), VARIANT VAL-2. |
| [7] | "Primary structure of human alpha 2-antiplasmin, a serine protease inhibitor (serpin)." Holmes W.E., Nelles L., Lijnen H.R., Collen D. J. Biol. Chem. 262:1659-1664(1987) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 4-491 (ISOFORM 1). |
| [8] | "Different N-terminal forms of alpha 2-plasmin inhibitor in human plasma." Bangert K., Johnsen A.H., Christensen U., Thorsen S. Biochem. J. 291:623-625(1993) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 28-58. Tissue: Plasma. |
| [9] | "Bovine alpha 2-antiplasmin. N-terminal and reactive site sequence." Christensen S., Sottrup-Jensen L. FEBS Lett. 312:100-104(1992) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 28-52. Tissue: Plasma. |
| [10] | "Amino-acid sequence of human alpha 2-antiplasmin." Lijnen H.R., Holmes W.E., van Hoef B., Wiman B., Rodriguez H., Collen D. Eur. J. Biochem. 166:565-574(1987) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 40-491. |
| [11] | "Purification and characterization of human antiplasmin, the fast-acting plasmin inhibitor in plasma." Wiman B., Collen D. Eur. J. Biochem. 78:19-26(1977) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 40-43. |
| [12] | "Structure of the carboxyl-terminal half of human alpha 2-plasmin inhibitor deduced from that of cDNA." Sumi Y., Nakamura Y., Aoki N., Sakai M., Muramatsu M. J. Biochem. 100:1399-1402(1986) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 218-491. |
| [13] | "Sulfation of a tyrosine residue in the plasmin-binding domain of alpha 2-antiplasmin." Hortin G., Fok K.F., Toren P.C., Strauss A.W. J. Biol. Chem. 262:3082-3085(1987) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 481-491, SULFATION. |
| [14] | "Alpha-2-antiplasmin: a serpin with two separate but overlapping reactive sites." Potempa J., Shieh B.-H., Travis J. Science 241:699-700(1988) [PubMed] [Europe PMC] [Abstract] Cited for: REACTIVE SITES. |
| [15] | "Assignment of a single disulphide bridge in human alpha2-antiplasmin: implications for the structural and functional properties." Christensen S., Valnickova Z., Thogersen I.B., Olsen E.H., Enghild J.J. Biochem. J. 323:847-852(1997) [PubMed] [Europe PMC] [Abstract] Cited for: DISULFIDE BOND. |
| [16] | "Matriptase-3 is a novel phylogenetically preserved membrane-anchored serine protease with broad serpin reactivity." Szabo R., Netzel-Arnett S., Hobson J.P., Antalis T.M., Bugge T.H. Biochem. J. 390:231-242(2005) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION IN MEMBRANE-ANCHORED SERINE PROTEASE TMPRSS7 INHIBITION, HETERODIMER WITH TMPRSS7. |
| [17] | "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-126; ASN-295 AND ASN-309, MASS SPECTROMETRY. Tissue: Plasma. |
| [18] | "Hereditary alpha 2-plasmin inhibitor deficiency caused by a transport-deficient mutation (alpha 2-PI-Okinawa). Deletion of Glu137 by a trinucleotide deletion blocks intracellular transport." Miura O., Sugahara Y., Aoki N. J. Biol. Chem. 264:18213-18219(1989) [PubMed] [Europe PMC] [Abstract] Cited for: VARIANT APLID GLU-176 DEL. |
| [19] | "A novel missense mutation in the human plasmin inhibitor (alpha2-antiplasmin) gene associated with a bleeding tendency." Lind B., Thorsen S. Br. J. Haematol. 107:317-322(1999) [PubMed] [Europe PMC] [Abstract] Cited for: VARIANT APLID MET-411, VARIANTS VAL-27; TRP-33 AND LYS-434. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | D00174 mRNA. Translation: BAA00124.1. M20786 M20785 Genomic DNA. Translation: AAA51554.1.AK303763 mRNA. Translation: BAG64729.1. AC130343 Genomic DNA. No translation available. BC031592 mRNA. Translation: AAH31592.1. J02654 mRNA. Translation: AAA35543.1. D00116 mRNA. Translation: BAA00070.1. |
| IPI | IPI00879231. |
| PIR | ITHUA2. A31402. |
| RefSeq | NP_000925.2. NM_000934.3. NP_001159392.1. NM_001165920.1. NP_001159393.1. NM_001165921.1. |
| UniGene | Hs.159509. |
3D structure databases | |
| ProteinModelPortal | P08697. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | P08697. 2 interactions. |
| STRING | 9606.ENSP00000321853. |
Protein family/group databases | |
| MEROPS | I04.023. |
PTM databases | |
| PhosphoSite | P08697. |
Polymorphism databases | |
| DMDM | 112907. |
2D gel databases | |
| SWISS-2DPAGE | P08697. |
Proteomic databases | |
| PaxDb | P08697. |
| PRIDE | P08697. |
Protocols and materials databases | |
| DNASU | 5345. |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000324015; ENSP00000321853; ENSG00000167711. ENST00000382061; ENSP00000371493; ENSG00000167711. ENST00000450523; ENSP00000403877; ENSG00000167711. |
| GeneID | 5345. |
| KEGG | hsa:5345. |
| UCSC | uc002ftk.1. human. |
Organism-specific databases | |
| CTD | 5345. |
| GeneCards | GC17P001593. |
| H-InvDB | HIX0013407. |
| HGNC | HGNC:9075. SERPINF2. |
| HPA | CAB024863. HPA001885. |
| MIM | 262850. phenotype. 613168. gene. |
| neXtProt | NX_P08697. |
| Orphanet | 79. Congenital alpha2 antiplasmin deficiency. |
| PharmGKB | PA35522. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | COG4826. |
| HOGENOM | HOG000231761. |
| HOVERGEN | HBG000043. |
| InParanoid | P08697. |
| KO | K03983. |
| OMA | RDSFHLD. |
| PhylomeDB | P08697. |
Enzyme and pathway databases | |
| Reactome | REACT_604. Hemostasis. |
Gene expression databases | |
| ArrayExpress | P08697. |
| Bgee | P08697. |
| CleanEx | HS_SERPINF2. |
| Genevestigator | P08697. |
Family and domain databases | |
| InterPro | IPR023795. Protease_inhib_I4_serpin_CS. IPR023796. Serpin_dom. IPR000215. Serpin_fam. [Graphical view] |
| PANTHER | PTHR11461. PTHR11461. 1 hit. |
| Pfam | PF00079. Serpin. 1 hit. [Graphical view] |
| SMART | SM00093. SERPIN. 1 hit. [Graphical view] |
| SUPFAM | SSF56574. Prot_inh_serpin. 1 hit. |
| PROSITE | PS00284. SERPIN. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| ChiTaRS | SERPINF2. human. |
| DrugBank | DB00086. Streptokinase. |
| GenomeRNAi | 5345. |
| NextBio | 20714. |
| PMAP-CutDB | P08697. |
| SOURCE | Search... |
Entry information
| Entry name | A2AP_HUMAN | ||||||||
| Accession | Primary (citable) accession number: P08697 Secondary accession number(s): B4E1B7 Q9UCG3 | ||||||||
| 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 17 Human chromosome 17: 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
