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Entry version 161 (23 Feb 2022)
Sequence version 1 (01 May 1991)
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Protein

Signal recognition particle 54 kDa protein homolog

Gene

srp54

Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)
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

Binds to the signal sequence of presecretory protein when they emerge from the ribosomes and transfers them to TRAM (translocating chain-associating membrane protein).

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi108 – 115GTPBy similarity8
Nucleotide bindingi190 – 194GTPBy similarity5
Nucleotide bindingi248 – 251GTPBy similarity4

<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 functionRibonucleoprotein, RNA-binding
LigandGTP-binding, Nucleotide-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-SPO-1799339, SRP-dependent cotranslational protein targeting to membrane

<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:
Signal recognition particle 54 kDa protein homolog
Short name:
SRP54
<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:srp54
ORF Names:SPCC188.06c
<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>OrganismiSchizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)
<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 identifieri284812 [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 lineageiEukaryotaFungiDikaryaAscomycotaTaphrinomycotinaSchizosaccharomycetesSchizosaccharomycetalesSchizosaccharomycetaceaeSchizosaccharomyces
<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
  • UP000002485 <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 III

Organism-specific databases

Schizosaccharomyces pombe database

More...
PomBasei
SPCC188.06c, srp54

Eukaryotic Pathogen, Vector and Host Database Resources

More...
VEuPathDBi
FungiDB:SPCC188.06c

<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

Keywords - Cellular componenti

Cytoplasm, Signal recognition particle

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology%5Fand%5Fbiotech%5Fsection">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi110Q → K or R: Lethal. 1 Publication1
Mutagenesisi114K → G or R: Lethal. 1 Publication1
Mutagenesisi115T → N: Lethal. 1 Publication1
Mutagenesisi138D → N: Lethal. 1 Publication1
Mutagenesisi194R → L or H: Cold-sensitive. 1 Publication1
Mutagenesisi248T → N: Cold-sensitive. 1 Publication1
Mutagenesisi248T → R or K: Lethal. 1 Publication1

<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_00001012011 – 522Signal recognition particle 54 kDa protein homologAdd BLAST522

Proteomic databases

MaxQB - The MaxQuant DataBase

More...
MaxQBi
P21565

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

More...
PaxDbi
P21565

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P21565

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Fungal signal recognition particle consists of a 7S RNA molecule (scR1) and at least six protein subunits: srp72, srp68, srp54, sec65, srp21 and srp14.

By similarity

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
275858, 5 interactors

Protein interaction database and analysis system

More...
IntActi
P21565, 3 interactors

Molecular INTeraction database

More...
MINTi
P21565

STRING: functional protein association networks

More...
STRINGi
4896.SPCC188.06c.1

<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
P21565

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

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni1 – 295G-domainAdd BLAST295
Regioni296 – 522M-domainAdd BLAST227

<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

Has a two domain structure: the G-domain binds GTP; the M-domain binds the 7S RNA in presence of srp19 and also binds the signal sequence.

<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 GTP-binding SRP family. SRP54 subfamily.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0780, Eukaryota

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_009301_6_1_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P21565

Identification of Orthologs from Complete Genome Data

More...
OMAi
DTAGRHK

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P21565

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.260.30, 1 hit
1.20.120.140, 1 hit
3.40.50.300, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_00306, SRP54, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR003593, AAA+_ATPase
IPR027417, P-loop_NTPase
IPR036891, Signal_recog_part_SRP54_M_sf
IPR013822, Signal_recog_particl_SRP54_hlx
IPR004125, Signal_recog_particle_SRP54_M
IPR022941, SRP54
IPR006325, SRP54_euk
IPR000897, SRP54_GTPase_dom
IPR042101, SRP54_N_sf

The PANTHER Classification System

More...
PANTHERi
PTHR11564, PTHR11564, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00448, SRP54, 1 hit
PF02881, SRP54_N, 1 hit
PF02978, SRP_SPB, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00382, AAA, 1 hit
SM00962, SRP54, 1 hit
SM00963, SRP54_N, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF47446, SSF47446, 1 hit
SSF52540, SSF52540, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR01425, SRP54_euk, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00300, SRP54, 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.

P21565-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MVFADLGRRL NSALGDFSKA TSVNEELVDT LLKNICTALL ETDVNVRLVQ
60 70 80 90 100
ELRSNIKKKI NVSTLPQGIN GKRIVQKAVF DELCSLVDPK VDAFTPKKGR
110 120 130 140 150
PSVIMMVGLQ GSGKTTTCSK LALHYQRRGL KSCLVAADTF RAGAFDQLKQ
160 170 180 190 200
NAIKARVPYF GSYTETDPVV IAKEGVDKFK NDRFDVIIVD TSGRHQQEQE
210 220 230 240 250
LFAEMVEISD AIRPDQTIMI LDASIGQAAE SQSKAFKETA DFGAVIITKL
260 270 280 290 300
DGHAKGGGAL SAVAATKTPI VFIGTGEHIN DLERFSPRSF ISKLLGLGDL
310 320 330 340 350
EGLMEHVQSL DFDKKNMVKN LEQGKFTVRD FRDQLGNIMK LGPLSKMASM
360 370 380 390 400
IPGMSNMMNG MNDEEGSLRM KRMLYIVDSM TEQELDSDGL LFVEQPSRVL
410 420 430 440 450
RVARGSGTSV LEVEETISQV RVFAQMAKKI GGKDGILGKL GGNPAAALKK
460 470 480 490 500
DPRQLAAMQK RMQAMGMGGG MPGLNPGSMN FGDISKMANM LMGGGGPGGA
510 520
GGMDFSGMLN QFQNMQKPPR RR
Length:522
Mass (Da):56,698
Last modified:May 1, 1991 - 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:iEA21E48F82CC97C1
GO

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
X51613 Genomic DNA Translation: CAA35951.1
M55518 Genomic DNA Translation: AAA35344.1
CU329672 Genomic DNA Translation: CAB41226.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A33644

NCBI Reference Sequences

More...
RefSeqi
NP_588209.1, NM_001023199.2

Genome annotation databases

Ensembl fungal genome annotation project

More...
EnsemblFungii
SPCC188.06c.1; SPCC188.06c.1:pep; SPCC188.06c

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
2539290

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
spo:SPCC188.06c

<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
X51613 Genomic DNA Translation: CAA35951.1
M55518 Genomic DNA Translation: AAA35344.1
CU329672 Genomic DNA Translation: CAB41226.1
PIRiA33644
RefSeqiNP_588209.1, NM_001023199.2

3D structure databases

SMRiP21565
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi275858, 5 interactors
IntActiP21565, 3 interactors
MINTiP21565
STRINGi4896.SPCC188.06c.1

PTM databases

iPTMnetiP21565

Proteomic databases

MaxQBiP21565
PaxDbiP21565

Genome annotation databases

EnsemblFungiiSPCC188.06c.1; SPCC188.06c.1:pep; SPCC188.06c
GeneIDi2539290
KEGGispo:SPCC188.06c

Organism-specific databases

PomBaseiSPCC188.06c, srp54
VEuPathDBiFungiDB:SPCC188.06c

Phylogenomic databases

eggNOGiKOG0780, Eukaryota
HOGENOMiCLU_009301_6_1_1
InParanoidiP21565
OMAiDTAGRHK
PhylomeDBiP21565

Enzyme and pathway databases

ReactomeiR-SPO-1799339, SRP-dependent cotranslational protein targeting to membrane

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P21565

Family and domain databases

Gene3Di1.10.260.30, 1 hit
1.20.120.140, 1 hit
3.40.50.300, 1 hit
HAMAPiMF_00306, SRP54, 1 hit
InterProiView protein in InterPro
IPR003593, AAA+_ATPase
IPR027417, P-loop_NTPase
IPR036891, Signal_recog_part_SRP54_M_sf
IPR013822, Signal_recog_particl_SRP54_hlx
IPR004125, Signal_recog_particle_SRP54_M
IPR022941, SRP54
IPR006325, SRP54_euk
IPR000897, SRP54_GTPase_dom
IPR042101, SRP54_N_sf
PANTHERiPTHR11564, PTHR11564, 1 hit
PfamiView protein in Pfam
PF00448, SRP54, 1 hit
PF02881, SRP54_N, 1 hit
PF02978, SRP_SPB, 1 hit
SMARTiView protein in SMART
SM00382, AAA, 1 hit
SM00962, SRP54, 1 hit
SM00963, SRP54_N, 1 hit
SUPFAMiSSF47446, SSF47446, 1 hit
SSF52540, SSF52540, 1 hit
TIGRFAMsiTIGR01425, SRP54_euk, 1 hit
PROSITEiView protein in PROSITE
PS00300, SRP54, 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 nameiSRP54_SCHPO
<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: P21565
<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: May 1, 1991
Last sequence update: May 1, 1991
Last modified: February 23, 2022
This is version 161 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 programFungal 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

Documents

  1. Schizosaccharomyces pombe
    Schizosaccharomyces pombe: entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families
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