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Entry version 155 (10 Feb 2021)
Sequence version 1 (01 May 1997)
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Protein

S-adenosylmethionine decarboxylase proenzyme

Gene

SamDC

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation score:

Annotation score:3 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 transcript 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

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the 'Function' section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

pyruvateNote: Binds 1 pyruvoyl group covalently per subunit.

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: S-adenosylmethioninamine biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes S-adenosylmethioninamine from S-adenosyl-L-methionine.
Proteins known to be involved in this subpathway in this organism are:
  1. S-adenosylmethionine decarboxylase proenzyme (SamDC), S-adenosylmethionine decarboxylase proenzyme (SamDC)
This subpathway is part of the pathway S-adenosylmethioninamine biosynthesis, which is itself part of Amine and polyamine biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes S-adenosylmethioninamine from S-adenosyl-L-methionine, the pathway S-adenosylmethioninamine biosynthesis and in Amine and polyamine biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> 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 sitei10By similarity1
Active sitei13By similarity1
Active sitei66Schiff-base intermediate with substrate; via pyruvic acidBy similarity1
Active sitei80Proton donor; for catalytic activityBy similarity1
Active sitei237Proton acceptor; for processing activityBy similarity1
Active sitei251Proton acceptor; for processing activityBy similarity1

<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

GO - Biological processi

<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 functionDecarboxylase, Lyase
Biological processPolyamine biosynthesis, Spermidine biosynthesis
LigandPyruvate, S-adenosyl-L-methionine, Schiff base

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-DME-351202, Metabolism of polyamines

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00331;UER00451

<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%5Fand%5Ftaxonomy%5Fsection">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:
S-adenosylmethionine decarboxylase proenzyme (EC:4.1.1.50)
Short name:
AdoMetDC
Short name:
SAMDC
Cleaved into the following 2 chains:
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:SamDC
ORF Names:CG5029
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiDrosophila melanogaster (Fruit fly)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri7227 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000803 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 2L

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0019932, SamDC

<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

<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 describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000299731 – 65S-adenosylmethionine decarboxylase beta chainBy similarityAdd BLAST65
ChainiPRO_000002997466 – 347S-adenosylmethionine decarboxylase alpha chainBy similarityAdd BLAST282

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei66Pyruvic acid (Ser); by autocatalysisBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Is synthesized initially as an inactive proenzyme. Formation of the active enzyme involves a self-maturation process in which the active site pyruvoyl group is generated from an internal serine residue via an autocatalytic post-translational modification. Two non-identical subunits are generated from the proenzyme in this reaction, and the pyruvate is formed at the N-terminus of the alpha chain, which is derived from the carboxyl end of the proenzyme. The post-translation cleavage follows an unusual pathway, termed non-hydrolytic serinolysis, in which the side chain hydroxyl group of the serine supplies its oxygen atom to form the C-terminus of the beta chain, while the remainder of the serine residue undergoes an oxidative deamination to produce ammonia and the pyruvoyl group blocking the N-terminus of the alpha chain (By similarity).By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei65 – 66Cleavage (non-hydrolytic); by autolysisBy similarity2

Keywords - PTMi

Autocatalytic cleavage, Zymogen

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P91931

PRoteomics IDEntifications database

More...
PRIDEi
P91931

<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

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0019932, Expressed in arthropod fat body and 38 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P91931, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P91931, DM

<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

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
60481, 2 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0079584

<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

3D structure databases

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

More...
SMRi
P91931

Database of comparative protein structure models

More...
ModBasei
Search...

<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

<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 eukaryotic AdoMetDC family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0788, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_023050_1_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P91931

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P91931

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001985, S-AdoMet_decarboxylase
IPR016067, S-AdoMet_deCO2ase_core
IPR018166, S-AdoMet_deCO2ase_CS

The PANTHER Classification System

More...
PANTHERi
PTHR11570, PTHR11570, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01536, SAM_decarbox, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF001355, S-AdenosylMet_decarboxylase, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF56276, SSF56276, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00535, SAM_DCase, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS01336, ADOMETDC, 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%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

P91931-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MLENGSHFFE GVEKLLEIWF EESSNGDDDL RNISRSDWEN VLSNVNCQII
60 70 80 90 100
STSKNDIIDA FVLSESSMFV SKRRWILKTC GTTTPLKCLG QLLKLAEANG
110 120 130 140 150
YNVVADLFYS RKNFTRPEAQ ITPHQGFTEE VTYLDSIFPN GRSYCLGSMN
160 170 180 190 200
LECWYLYTFS RSDIKITPQL ISDEKNVDSD PDQTIEILMQ DLDPETMSIF
210 220 230 240 250
YKNKFNDANG ATVKSGIDTI LPTMHIDDFL FDPCGYSMNG INDKGEYMTI
260 270 280 290 300
HITPENQFSY VSFETNVALS NYRKLINQVI NTFKPGKFIV TIFANKCSLA
310 320 330 340
YETMKELEVE YSQGSHWKRT DMQCCNFPSY NLLFAQYSHS EKTGDYL
Length:347
Mass (Da):39,817
Last modified:May 1, 1997 - v1
<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:i48FEDA7CAF6CDA0C
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 varianti167T → S in strain: Canton-S. 1
Natural varianti172S → T in strain: Canton-S. 1
Natural varianti346Y → N in strain: Berkeley. 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
Y11216 Genomic DNA Translation: CAA72102.1
Y11820 mRNA Translation: CAA72505.1
AE014134 Genomic DNA Translation: AAF52917.1

NCBI Reference Sequences

More...
RefSeqi
NP_477223.2, NM_057875.5

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
34396

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG5029

<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
Y11216 Genomic DNA Translation: CAA72102.1
Y11820 mRNA Translation: CAA72505.1
AE014134 Genomic DNA Translation: AAF52917.1
RefSeqiNP_477223.2, NM_057875.5

3D structure databases

SMRiP91931
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi60481, 2 interactors
STRINGi7227.FBpp0079584

Proteomic databases

PaxDbiP91931
PRIDEiP91931

Genome annotation databases

GeneIDi34396
KEGGidme:Dmel_CG5029

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
34396
FlyBaseiFBgn0019932, SamDC

Phylogenomic databases

eggNOGiKOG0788, Eukaryota
HOGENOMiCLU_023050_1_0_1
InParanoidiP91931
PhylomeDBiP91931

Enzyme and pathway databases

UniPathwayiUPA00331;UER00451
ReactomeiR-DME-351202, Metabolism of polyamines

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
34396, 0 hits in 3 CRISPR screens

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
34396

Protein Ontology

More...
PROi
PR:P91931

Gene expression databases

BgeeiFBgn0019932, Expressed in arthropod fat body and 38 other tissues
ExpressionAtlasiP91931, baseline and differential
GenevisibleiP91931, DM

Family and domain databases

InterProiView protein in InterPro
IPR001985, S-AdoMet_decarboxylase
IPR016067, S-AdoMet_deCO2ase_core
IPR018166, S-AdoMet_deCO2ase_CS
PANTHERiPTHR11570, PTHR11570, 1 hit
PfamiView protein in Pfam
PF01536, SAM_decarbox, 1 hit
PIRSFiPIRSF001355, S-AdenosylMet_decarboxylase, 1 hit
SUPFAMiSSF56276, SSF56276, 1 hit
TIGRFAMsiTIGR00535, SAM_DCase, 1 hit
PROSITEiView protein in PROSITE
PS01336, ADOMETDC, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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 nameiDCAM_DROME
<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: P91931
Secondary accession number(s): P91925, Q9VKY9
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 15, 1999
Last sequence update: May 1, 1997
Last modified: February 10, 2021
This is version 155 of the entry and version 1 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 programDrosophila annotation project

<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

Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families
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