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Protein

Snake venom serine protease Dav-PA

Gene
N/A
Organism
Deinagkistrodon acutus (Hundred-pace snake) (Agkistrodon acutus)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Snake venom serine protease that has fibrinogenolytic activities. Also possess esterolysis and amidolytic activities. Selectively cleaves Arg-|-Xaa bonds.2 Publications

Caution

AaV-SP-I is sequenced from 25-48 and its carbohydrate contents is 9%, whereas AaV-SP-II is sequenced from 25-64 and its carbohydrate contents is 4%.Curated

<p>This subsection of the ‘Function’ section describes regulatory mechanisms for enzymes, transporters or microbial transcription factors, and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/activity_regulation' target='_top'>More...</a></p>Activity regulationi

Inhibited by NPGB, leupeptin, aprotinin and PMSF, but not by EDTA, SBTI, heparin and hirudin.

<p>This subsection of the ‘Function’ section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

AaV-SP-II.
  1. KM=0.152 µM for TAME2 Publications
  2. KM=265 µM for D-Phe-L-Pip-Arg-p-NA (S-2238)2 Publications
  3. KM=113 µM for D-Pro-Phe-Arg-p-NA (S-2302)2 Publications
  4. KM=28 µM for N-p-Tosyl-Gly-Pro-Arg-p-NA2 Publications
  5. KM=202 µM for N-p-Tosyl-Gly-Pro-Lys-p-NA2 Publications

    Sites

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the ‘Function’ section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei65Charge relay system1 Publication1
    Active sitei110Charge relay system1 Publication1
    Active sitei204Charge relay system1 Publication1

    <p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

    <p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

    Molecular functionFibrinogenolytic toxin, Hemostasis impairing toxin, Hydrolase, Protease, Serine protease, Toxin

    Protein family/group databases

    MEROPS protease database

    More...
    MEROPSi
    S01.023

    <p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
    Recommended name:
    Snake venom serine protease Dav-PA
    Short name:
    SVSP
    Alternative name(s):
    AaV-SP-I
    AaV-SP-II (EC:3.4.21.-)
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDeinagkistrodon acutus (Hundred-pace snake) (Agkistrodon acutus)
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri36307 [NCBI]
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiLepidosauriaSquamataBifurcataUnidentataEpisquamataToxicoferaSerpentesColubroideaViperidaeCrotalinaeDeinagkistrodon

    <p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

    Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

    Keywords - Cellular componenti

    Secreted

    <p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

    Molecule processing

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 18By similarityAdd BLAST18
    <p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section describes a propeptide, which is a part of a protein that is cleaved during maturation or activation. Once cleaved, a propeptide generally has no independent biological function.<p><a href='/help/propep' target='_top'>More...</a></p>PropeptideiPRO_000002836319 – 24By similarity6
    <p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000002836425 – 258Snake venom serine protease Dav-PAAdd BLAST234

    Amino acid modifications

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi31 ↔ 163PROSITE-ProRule annotation1 Publication
    <p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi44N-linked (GlcNAc...) asparagine1 Publication1
    Disulfide bondi50 ↔ 66PROSITE-ProRule annotation1 Publication
    Disulfide bondi98 ↔ 256PROSITE-ProRule annotation1 Publication
    Disulfide bondi142 ↔ 210PROSITE-ProRule annotation1 Publication
    Disulfide bondi174 ↔ 189PROSITE-ProRule annotation1 Publication
    Disulfide bondi200 ↔ 225PROSITE-ProRule annotation1 Publication

    Keywords - PTMi

    Disulfide bond, Glycoprotein, Zymogen

    PTM databases

    iPTMnet integrated resource for PTMs in systems biology context

    More...
    iPTMneti
    Q9I8X1

    <p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

    <p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

    Expressed by the venom gland.

    <p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

    <p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

    Monomer.By similarity

    <p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

    Secondary structure

    1258
    Legend: HelixTurnBeta strandPDB Structure known for this area
    Show more details

    3D structure databases

    SWISS-MODEL Repository - a database of annotated 3D protein structure models

    More...
    SMRi
    Q9I8X1

    Database of comparative protein structure models

    More...
    ModBasei
    Search...

    MobiDB: a database of protein disorder and mobility annotations

    More...
    MobiDBi
    Search...

    Miscellaneous databases

    Relative evolutionary importance of amino acids within a protein sequence

    More...
    EvolutionaryTracei
    Q9I8X1

    <p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini25 – 249Peptidase S1PROSITE-ProRule annotationAdd BLAST225

    <p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

    Belongs to the peptidase S1 family. Snake venom subfamily.PROSITE-ProRule annotation

    Keywords - Domaini

    Signal

    Phylogenomic databases

    The HOVERGEN Database of Homologous Vertebrate Genes

    More...
    HOVERGENi
    HBG013304

    Family and domain databases

    Conserved Domains Database

    More...
    CDDi
    cd00190 Tryp_SPc, 1 hit

    Integrated resource of protein families, domains and functional sites

    More...
    InterProi
    View protein in InterPro
    IPR009003 Peptidase_S1_PA
    IPR001314 Peptidase_S1A
    IPR001254 Trypsin_dom
    IPR018114 TRYPSIN_HIS
    IPR033116 TRYPSIN_SER

    Pfam protein domain database

    More...
    Pfami
    View protein in Pfam
    PF00089 Trypsin, 1 hit

    Protein Motif fingerprint database; a protein domain database

    More...
    PRINTSi
    PR00722 CHYMOTRYPSIN

    Simple Modular Architecture Research Tool; a protein domain database

    More...
    SMARTi
    View protein in SMART
    SM00020 Tryp_SPc, 1 hit

    Superfamily database of structural and functional annotation

    More...
    SUPFAMi
    SSF50494 SSF50494, 1 hit

    PROSITE; a protein domain and family database

    More...
    PROSITEi
    View protein in PROSITE
    PS50240 TRYPSIN_DOM, 1 hit
    PS00134 TRYPSIN_HIS, 1 hit
    PS00135 TRYPSIN_SER, 1 hit

    <p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

    <p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

    <p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

    Q9I8X1-1 [UniParc]FASTAAdd to basket
    « Hide
            10         20         30         40         50
    MVLIRVLANL LILQLSYAQK SSELVIGGNE CDINEHRFLV AFFNTTGFFC
    60 70 80 90 100
    GGTLINPEWV VTAAHCDSTD FQMQLGVHSK KVLNEDEQTR NPKEKFICPN
    110 120 130 140 150
    KNNNEVLDKD IMLIKLDKPI SNSKHIAPLS LPSSPPSVGS VCRIMGWGSI
    160 170 180 190 200
    TPVKETFPDV PYCANINLLD HAVCQAGYPE LLAEYRTLCA GIVQGGKDTC
    210 220 230 240 250
    GGDSGGPLIC NGQFQGIVSY GAHPCGQGPK PGIYTNVFDY TDWIQRNIAG

    NTDATCPP
    Length:258
    Mass (Da):28,033
    Last modified:April 18, 2012 - v2
    <p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iE8E1369C8919CCCB
    GO

    Natural variant

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the ‘Sequence’ section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural varianti70D → N in AaV-SP-II. 1

    Sequence databases

    Select the link destinations:

    EMBL nucleotide sequence database

    More...
    EMBLi

    GenBank nucleotide sequence database

    More...
    GenBanki

    DNA Data Bank of Japan; a nucleotide sequence database

    More...
    DDBJi
    Links Updated
    AF159058 mRNA Translation: AAF76378.1

    <p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

    <p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBLi
    GenBanki
    DDBJi
    Links Updated
    AF159058 mRNA Translation: AAF76378.1

    3D structure databases

    Select the link destinations:

    Protein Data Bank Europe

    More...
    PDBei

    Protein Data Bank RCSB

    More...
    RCSB PDBi

    Protein Data Bank Japan

    More...
    PDBji
    Links Updated
    PDB entryMethodResolution (Å)ChainPositionsPDBsum
    1OP0X-ray2.00A25-258[»]
    1OP2X-ray2.10A25-258[»]
    SMRiQ9I8X1
    ModBaseiSearch...
    MobiDBiSearch...

    Protein family/group databases

    MEROPSiS01.023

    PTM databases

    iPTMnetiQ9I8X1

    Protocols and materials databases

    Structural Biology KnowledgebaseSearch...

    Phylogenomic databases

    HOVERGENiHBG013304

    Miscellaneous databases

    EvolutionaryTraceiQ9I8X1

    Family and domain databases

    CDDicd00190 Tryp_SPc, 1 hit
    InterProiView protein in InterPro
    IPR009003 Peptidase_S1_PA
    IPR001314 Peptidase_S1A
    IPR001254 Trypsin_dom
    IPR018114 TRYPSIN_HIS
    IPR033116 TRYPSIN_SER
    PfamiView protein in Pfam
    PF00089 Trypsin, 1 hit
    PRINTSiPR00722 CHYMOTRYPSIN
    SMARTiView protein in SMART
    SM00020 Tryp_SPc, 1 hit
    SUPFAMiSSF50494 SSF50494, 1 hit
    PROSITEiView protein in PROSITE
    PS50240 TRYPSIN_DOM, 1 hit
    PS00134 TRYPSIN_HIS, 1 hit
    PS00135 TRYPSIN_SER, 1 hit

    ProtoNet; Automatic hierarchical classification of proteins

    More...
    ProtoNeti
    Search...

    <p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

    <p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiVSPP_DEIAC
    <p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q9I8X1
    <p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 4, 2001
    Last sequence update: April 18, 2012
    Last modified: September 12, 2018
    This is version 87 of the entry and version 2 of the sequence. See complete history.
    <p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programChordata Protein Annotation Program
    Annotation programAnimal Toxin Annotation Program

    <p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

    Keywords - Technical termi

    3D-structure, Direct protein sequencing

    Documents

    1. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    2. SIMILARITY comments
      Index of protein domains and families
    3. Peptidase families
      Classification of peptidase families and list of entries
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