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0API5_HUMAN*   SwissProt (?) | Description Local Annotation Link Reference
General Information
NameAPI5
DescriptionApoptosis inhibitor 5 (api-5) (fibroblast growth factor 2-interacting factor) (fif) (xagl protein) (aac-11).
SpeciesHomo sapiens (NCBI taxonomy ID: 9606)
GO0005737 cytoplasm (NAS)
0005681 spliceosome complex (ISS)
0017134 fibroblast growth factor binding (IPI)
0006916 anti-apoptosis (IMP)

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schematic display of those terms with internal associations, click the node and browse the corresponding GO term
Domain Architecture (Details)
InterPro domains assigned to SynO:
VAMPs (and its homologue synaptobrevins) define a group of SNARE proteins that contain a C-terminal coiled-coil/SNARE motif.n combination with variable N-terminal domains that are used to classify VAMPs: those containing longin N-terminal domains (~150 aa) are referred to as longins.hile those with shorter N-termini are referred to as brevins . Longins are the only type of VAMP protein found in all eukaryotes.uggesting that their longin domain is essential. The longin domain is thought to exert a regulatory function. Longin domains have been shown to share the same structural fold. profilin-like globular domain consisting of a five-stranded antiparallel beta-sheet that is sandwiched by an alpha-helix on one side.nd two alpha-helices on the other (beta(2)-alpha-beta(3)-alpha(2)).Other families have been shown to contain domains that structurally resemble the VAMP longin domain. An example is the eukaryotic conserved protein.EDL.hich is a component of the transport protein particle (TRAPP).ritically involved in endoplasmic reticulum-to-Golgi vesicle transport; mutations in the SEDL gene are associated with an X-linked skeletal disorder.pondyloepiphyseal dysplasia tarda . Another example is the assembly domain of clathrin coat proteins.uch as Mu2 adaptin (AP50) and Sigma2 adaptin (AP17).hich structurally resemble the longin domain. AP50 and AP17 are two of the proteins that make up the core of AP2. complex that functions in clathrin-mediated endocytosis .The SSF signature in this entry is currently under review. Please be aware that some of the protein hits may be false positives.
  IPR011012:Longin-like
InterPro domains unassigned to SynO:
This family consists of apoptosis inhibitory protein 5 (API5) sequences from several organisms. Apoptosis or programmed cell death is a physiological form of cell death that occurs in embryonic development and organ formation. It is characterised by biochemical and morphological changes such as DNA fragmentation and cell volume shrinkage. API5 is an anti apoptosis gene located in Homo sapiens chromosome 11.hose expression prevents the programmed cell death that occurs upon the deprivation of growth factors .
  IPR008383:Apoptosis inhibitory 5
This domain consists of a multi-helical fold comprised of two curved layers of alpha helices arranged in a regular right-handed superhelix.here the repeats that make up this structure are arranged about a common axis . These superhelical structures present an extensive solvent-accessible surface that is well suited to binding large substrates such as proteins and nucleic acids. This topology has been found with a number of repeats and domains.ncluding the armadillo repeat (found in beta-catenins and importins).he HEAT repeat (found in protein phosphatase 2a and initiation factor eIF4G).he PHAT domain (found in Smaug RNA-binding protein).he leucine-rich repeat variant.he Pumilo repeat.nd in the H regulatory subunit of V-type ATPases. The sequence similarity among these different repeats or domains is low.owever they exhibit considerable structural similarity. Furthermore.he number of repeats present in the superhelical structure can vary between orthologues.ndicating that rapid loss/gain of repeats has occurred frequently in evolution. A common phylogenetic origin has been proposed for the armadillo and HEAT repeats .
  IPR011989:Armadillo-like helical
IPR008383:API5 
Evalue:-137.552841186523 
Location:3-509
SequencesProtein: API5_HUMAN (510 aa)
mRNA: NM_006595
Local Annotation
Synapse Ontology
transport of vesicles in the presynaptic neuron
sdb:0017 Mobilization: synapsins, CAM kinase I  (Evidence:domains)
Fusion of intracellular membrane-bound vesicles with the pre-synaptic membrane of the neuronal cell resulting in release of neurotransmitter into the synaptic cleft.
sdb:0049 synaptic vesicle fusion  (Evidence:domains)
priming for exocytosis prepares the calcium-dependent release and may involve partial fusion process. The vesicles are primed and become responsive to calcium.
sdb:0120 priming  (Evidence:domains)
attachment of the vesicle filled with transmitters involves a specific interaction between the vesicle membrane and the presynaptic active zone.
sdb:0148 docking  (Evidence:domains)
KO assignmentNot mapped to KEGG
Loci Structure (Details)Loci index, Chromosomal location, Length, Possible relational loci clusterExon1: 72 residues, 43290108-43290322Exon2: 56 residues, 43296765-43296927Exon3: 33 residues, 43298946-43299040Exon4: 24 residues, 43299536-43299602Exon5: 52 residues, 43300110-43300262Exon6: 71 residues, 43301555-43301762Exon7: 37 residues, 43304632-43304737Exon8: 32 residues, 43305914-43306004Exon9: 62 residues, 43306837-43307019Exon10: 33 residues, 43308090-43308184Exon11: 21 residues, 43308633-43308690Exon12: 27 residues, 43313403-43313480Exon13: 47 residues, 43313983-43314120Exon14: 701 residues, 43320558-43322655Exon15: 2 residues, -Jump to API5_HUMAN  
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