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Entry version 151 (02 Jun 2021)
Sequence version 1 (01 Oct 1989)
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Protein

PTS system sucrose-specific EIIBCA component

Gene

scrA

Organism
Streptococcus mutans serotype c (strain ATCC 700610 / UA159)
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>
-Protein predictedi <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

The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. This system is involved in sucrose transport.

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 sitei25Phosphocysteine intermediate; for EIIB activityPROSITE-ProRule annotation1
Active sitei585Tele-phosphohistidine intermediate; for EIIA activityPROSITE-ProRule annotation1

<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 functionKinase, Transferase
Biological processPhosphotransferase system, Sugar transport, Transport

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
SMUT210007:G1FZX-1742-MONOMER

BRENDA Comprehensive Enzyme Information System

More...
BRENDAi
2.7.1.211, 14748

<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:
PTS system sucrose-specific EIIBCA component
Alternative name(s):
EIIBCA-Scr
Short name:
EII-Scr
Including the following 3 domains:
Sucrose-specific phosphotransferase enzyme IIB component (EC:2.7.1.-)
Alternative name(s):
PTS system sucrose-specific EIIB component
Sucrose permease IIC component
Alternative name(s):
PTS system sucrose-specific EIIC component
Sucrose-specific phosphotransferase enzyme IIA component
Alternative name(s):
PTS system sucrose-specific EIIA component
<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:scrA
Ordered Locus Names:SMU_1841
<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>OrganismiStreptococcus mutans serotype c (strain ATCC 700610 / UA159)
<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 identifieri210007 [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 lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus
<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
  • UP000002512 <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

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei109 – 129HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei158 – 178HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei187 – 207HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei211 – 231HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei239 – 259HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei271 – 291HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei310 – 330HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei354 – 374HelicalPROSITE-ProRule annotationAdd BLAST21
Transmembranei411 – 433HelicalPROSITE-ProRule annotationAdd BLAST23
Transmembranei453 – 473HelicalPROSITE-ProRule annotationAdd BLAST21

Keywords - Cellular componenti

Cell membrane, Membrane

<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_00001866761 – 664PTS system sucrose-specific EIIBCA componentAdd BLAST664

Proteomic databases

PRoteomics IDEntifications database

More...
PRIDEi
P12655

<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

STRING: functional protein association networks

More...
STRINGi
210007.SMU_1841

<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

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SMRi
P12655

Database of comparative protein structure models

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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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">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>Domaini1 – 86PTS EIIB type-1PROSITE-ProRule annotationAdd BLAST86
Domaini108 – 492PTS EIIC type-1PROSITE-ProRule annotationAdd BLAST385
Domaini533 – 637PTS EIIA type-1PROSITE-ProRule annotationAdd BLAST105

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The EIIB domain is phosphorylated by phospho-EIIA on a cysteinyl or histidyl residue, depending on the transported sugar. Then, it transfers the phosphoryl group to the sugar substrate concomitantly with the sugar uptake processed by the EIIC domain.
The EIIC domain forms the PTS system translocation channel and contains the specific substrate-binding site.
The EIIA domain is phosphorylated by phospho-HPr on a histidyl residue. Then, it transfers the phosphoryl group to the EIIB domain.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
COG1263, Bacteria
COG1264, Bacteria
COG2190, Bacteria

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_012312_2_1_9

Identification of Orthologs from Complete Genome Data

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OMAi
YETKHAY

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P12655

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00212, PTS_IIB_glc, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.70.70.10, 1 hit
3.30.1360.60, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR011055, Dup_hybrid_motif
IPR036878, Glu_permease_IIB
IPR018113, PTrfase_EIIB_Cys
IPR001127, PTS_EIIA_1_perm
IPR003352, PTS_EIIC
IPR013013, PTS_EIIC_1
IPR001996, PTS_IIB_1
IPR010973, PTS_IIBC_sucr

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00358, PTS_EIIA_1, 1 hit
PF00367, PTS_EIIB, 1 hit
PF02378, PTS_EIIC, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF51261, SSF51261, 1 hit
SSF55604, SSF55604, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00826, EIIB_glc, 1 hit
TIGR00830, PTBA, 1 hit
TIGR01996, PTS-II-BC-sucr, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51093, PTS_EIIA_TYPE_1, 1 hit
PS00371, PTS_EIIA_TYPE_1_HIS, 1 hit
PS51098, PTS_EIIB_TYPE_1, 1 hit
PS01035, PTS_EIIB_TYPE_1_CYS, 1 hit
PS51103, PTS_EIIC_TYPE_1, 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.

P12655-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDYSKVASEV ITAVGKDNLV AAAHCATRLR LVLKDDSKVD QKALDKNADV
60 70 80 90 100
KGTFKTDGQY QVIIGPGDVN FVYDEIIKQT GLTEVSTDDL KKIAASGKKF
110 120 130 140 150
NPIMALIKLL SDIFVPIIPA LVAGGLLMAL NNFLTSEGLF GTKSLVQQFP
160 170 180 190 200
IIKGSSDMIQ LMSAAPFWFL PILVGISAAK RFGANQFLGA SIGMIMVAPG
210 220 230 240 250
AANIIGLAAN APISKAATIG AYTGFWNIFG LHVTQASYTY QVIPVLVAVW
260 270 280 290 300
LLSILEKFFH KRLPSAVDFT FTPLLSVIIT GFLTFIVIGP VMKEVSDWLT
310 320 330 340 350
NGIVWLYDTT GFLGMGVFGA LYSPVVMTGL HQSFPAIETQ LISAFQNGTG
360 370 380 390 400
HGDFIFVTAS MANVAQGAAT FAIYFLTKDK KMKGLSSSSG VSALLGITEP
410 420 430 440 450
ALFGVNLKYR FPFFCALIGS ASAAAIAGLL QVVAVSLGSA GFLGFLSIKA
460 470 480 490 500
SSIPFYVVCE LISFAIAFAV TYGYGKTKAV DVFAAEAAVE EAIEEVQEIP
510 520 530 540 550
EEAASAANKA QVTDEVLAAP LAGEAVELTS VNDPVFSSEA MGKGIAIKPS
560 570 580 590 600
GNTVYAPVDG TVQIAFDTGH AYGIKSDNGA EILIHIGIDT VSMEGKGFEQ
610 620 630 640 650
KVQADQKIKK GDVLGTFDSD KIAEAGLDNT TMFIVTNTAD YASVETLASS
660
GTVAVGDSLL EVKK
Length:664
Mass (Da):69,989
Last modified:October 1, 1989 - 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:i809E63E32281A9A1
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
M22711 Genomic DNA Translation: AAA26971.1
AE014133 Genomic DNA Translation: AAN59464.1
D13175 Genomic DNA Translation: BAA02466.1

Protein sequence database of the Protein Information Resource

More...
PIRi
B32243

NCBI Reference Sequences

More...
RefSeqi
NP_722158.1, NC_004350.2
WP_002262657.1, NC_004350.2

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAN59464; AAN59464; SMU_1841

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
smu:SMU_1841

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|210007.7.peg.1644

<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
M22711 Genomic DNA Translation: AAA26971.1
AE014133 Genomic DNA Translation: AAN59464.1
D13175 Genomic DNA Translation: BAA02466.1
PIRiB32243
RefSeqiNP_722158.1, NC_004350.2
WP_002262657.1, NC_004350.2

3D structure databases

SMRiP12655
ModBaseiSearch...

Protein-protein interaction databases

STRINGi210007.SMU_1841

Proteomic databases

PRIDEiP12655

Genome annotation databases

EnsemblBacteriaiAAN59464; AAN59464; SMU_1841
KEGGismu:SMU_1841
PATRICifig|210007.7.peg.1644

Phylogenomic databases

eggNOGiCOG1263, Bacteria
COG1264, Bacteria
COG2190, Bacteria
HOGENOMiCLU_012312_2_1_9
OMAiYETKHAY
PhylomeDBiP12655

Enzyme and pathway databases

BioCyciSMUT210007:G1FZX-1742-MONOMER
BRENDAi2.7.1.211, 14748

Family and domain databases

CDDicd00212, PTS_IIB_glc, 1 hit
Gene3Di2.70.70.10, 1 hit
3.30.1360.60, 1 hit
InterProiView protein in InterPro
IPR011055, Dup_hybrid_motif
IPR036878, Glu_permease_IIB
IPR018113, PTrfase_EIIB_Cys
IPR001127, PTS_EIIA_1_perm
IPR003352, PTS_EIIC
IPR013013, PTS_EIIC_1
IPR001996, PTS_IIB_1
IPR010973, PTS_IIBC_sucr
PfamiView protein in Pfam
PF00358, PTS_EIIA_1, 1 hit
PF00367, PTS_EIIB, 1 hit
PF02378, PTS_EIIC, 1 hit
SUPFAMiSSF51261, SSF51261, 1 hit
SSF55604, SSF55604, 1 hit
TIGRFAMsiTIGR00826, EIIB_glc, 1 hit
TIGR00830, PTBA, 1 hit
TIGR01996, PTS-II-BC-sucr, 1 hit
PROSITEiView protein in PROSITE
PS51093, PTS_EIIA_TYPE_1, 1 hit
PS00371, PTS_EIIA_TYPE_1_HIS, 1 hit
PS51098, PTS_EIIB_TYPE_1, 1 hit
PS01035, PTS_EIIB_TYPE_1_CYS, 1 hit
PS51103, PTS_EIIC_TYPE_1, 1 hit

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 nameiPTS3B_STRMU
<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: P12655
<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: October 1, 1989
Last sequence update: October 1, 1989
Last modified: June 2, 2021
This is version 151 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 programProkaryotic Protein 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

Reference proteome
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