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UniProtKB - Q75K18 (SRP54_DICDI)
Protein
Signal recognition particle 54 kDa protein
Gene
srp54
Organism
Dictyostelium discoideum (Slime mold)
Status
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).
By similarityRegions
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Nucleotide bindingi | 108 – 115 | GTPBy similarity | 8 | |
Nucleotide bindingi | 190 – 194 | GTPBy similarity | 5 | |
Nucleotide bindingi | 248 – 251 | GTPBy similarity | 4 |
GO - Molecular functioni
- 7S RNA binding Source: GO_Central
- endoplasmic reticulum signal peptide binding Source: GO_Central
- GTPase activity Source: InterPro
- GTP binding Source: UniProtKB-KW
GO - Biological processi
- SRP-dependent cotranslational protein targeting to membrane, translocation Source: GO_Central
Keywordsi
Molecular function | Ribonucleoprotein, RNA-binding |
Ligand | GTP-binding, Nucleotide-binding |
Enzyme and pathway databases
Reactomei | R-DDI-1799339, SRP-dependent cotranslational protein targeting to membrane |
Names & Taxonomyi
Protein namesi | Recommended name: Signal recognition particle 54 kDa proteinShort name: SRP54 |
Gene namesi | Name:srp54 ORF Names:DDB_G0275455 |
Organismi | Dictyostelium discoideum (Slime mold) |
Taxonomic identifieri | 44689 [NCBI] |
Taxonomic lineagei | Eukaryota › Amoebozoa › Evosea › Eumycetozoa › Dictyostelia › Dictyosteliales › Dictyosteliaceae › Dictyostelium |
Proteomesi |
|
Organism-specific databases
dictyBasei | DDB_G0275455, srp54 |
Subcellular locationi
Cytoplasm and Cytosol
- Cytoplasm By similarity
Cytosol
- cytosol Source: GO_Central
Other locations
- phagocytic vesicle Source: dictyBase
- signal recognition particle, endoplasmic reticulum targeting Source: GO_Central
Keywords - Cellular componenti
Cytoplasm, Signal recognition particlePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000327678 | 1 – 542 | Signal recognition particle 54 kDa proteinAdd BLAST | 542 |
Proteomic databases
PaxDbi | Q75K18 |
Interactioni
Subunit structurei
Signal recognition particle consists of a 7S RNA molecule and six protein subunits: srp72, srp68, srp54, srp19, srp14 and srp9.
By similarityProtein-protein interaction databases
STRINGi | 44689.DDB0232373 |
Family & Domainsi
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 1 – 295 | G-domainAdd BLAST | 295 | |
Regioni | 296 – 542 | M-domainAdd BLAST | 247 |
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.By similarity
Sequence similaritiesi
Phylogenomic databases
eggNOGi | KOG0780, Eukaryota |
HOGENOMi | CLU_009301_6_1_1 |
InParanoidi | Q75K18 |
OMAi | DTAGRHK |
PhylomeDBi | Q75K18 |
Family and domain databases
Gene3Di | 1.10.260.30, 1 hit 1.20.120.140, 1 hit 3.40.50.300, 1 hit |
HAMAPi | MF_00306, SRP54, 1 hit |
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 IPR036225, SRP/SRP_N IPR022941, SRP54 IPR006325, SRP54_euk IPR000897, SRP54_GTPase_dom IPR042101, SRP54_N_sf |
PANTHERi | PTHR11564, PTHR11564, 1 hit |
Pfami | View protein in Pfam PF00448, SRP54, 1 hit PF02881, SRP54_N, 1 hit PF02978, SRP_SPB, 1 hit |
SMARTi | View protein in SMART SM00382, AAA, 1 hit SM00962, SRP54, 1 hit SM00963, SRP54_N, 1 hit |
SUPFAMi | SSF47364, SSF47364, 1 hit SSF47446, SSF47446, 1 hit SSF52540, SSF52540, 1 hit |
TIGRFAMsi | TIGR01425, SRP54_euk, 1 hit |
PROSITEi | View protein in PROSITE PS00300, SRP54, 1 hit |
i Sequence
Sequence statusi: Complete.
Q75K18-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MVLADLGNQL SSALRSLNET TIVNEDTINQ LLKEVGNALS KSDVSMSLII
60 70 80 90 100
QMRKNIKDKI KLDQMAAGLN KRKIIKQVVF DELIRLLDPG VPLWKPTKGK
110 120 130 140 150
SNIVMFVGLQ GAGKTTSVTK LAYFYKKKGF STAIVCADTF RAGAFDQVRH
160 170 180 190 200
NAAKAKIHYY GSETEKDPVV VARTGVDIFK KDGTEIIIVD TSGRHKQDSE
210 220 230 240 250
LFEEMKQIET AVKPDNCIFV MDSSIGQAAY EQATAFRSSV KVGSIIITKM
260 270 280 290 300
DGNSMGGGAI SAVAATNTPI IFIGTGEHLT DLELFDPSTF VSKLLGYGDM
310 320 330 340 350
KGMLEKIKEV IPEDSTSLKE IAQGKFTLRS MQQQFQQIMQ LGPIDKLVQM
360 370 380 390 400
IPGMNQLPQL QGNEGGLKLK AYINILDSLS EKELDGKKPI TQKRIITIAQ
410 420 430 440 450
GSGRHPNEVV ELLEQHKTFE KLIGKGGPGG GLGSLMAGKG GPKNMEQAMK
460 470 480 490 500
QMNANGGMQG LMNSLKGMGG MGDLAKMFGG GGGGGGGMPS MGDLAKMMGG
510 520 530 540
MGGGGRGGGG MPNMGDLAKM MGGMGGGAGK GGQNGFPNLD LD
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AAFI02000013 Genomic DNA Translation: EAL69478.1 |
RefSeqi | XP_643640.1, XM_638548.1 |
Genome annotation databases
EnsemblProtistsi | EAL69478; EAL69478; DDB_G0275455 |
GeneIDi | 8620227 |
KEGGi | ddi:DDB_G0275455 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AAFI02000013 Genomic DNA Translation: EAL69478.1 |
RefSeqi | XP_643640.1, XM_638548.1 |
3D structure databases
SMRi | Q75K18 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 44689.DDB0232373 |
Proteomic databases
PaxDbi | Q75K18 |
Genome annotation databases
EnsemblProtistsi | EAL69478; EAL69478; DDB_G0275455 |
GeneIDi | 8620227 |
KEGGi | ddi:DDB_G0275455 |
Organism-specific databases
dictyBasei | DDB_G0275455, srp54 |
Phylogenomic databases
eggNOGi | KOG0780, Eukaryota |
HOGENOMi | CLU_009301_6_1_1 |
InParanoidi | Q75K18 |
OMAi | DTAGRHK |
PhylomeDBi | Q75K18 |
Enzyme and pathway databases
Reactomei | R-DDI-1799339, SRP-dependent cotranslational protein targeting to membrane |
Miscellaneous databases
PROi | PR:Q75K18 |
Family and domain databases
Gene3Di | 1.10.260.30, 1 hit 1.20.120.140, 1 hit 3.40.50.300, 1 hit |
HAMAPi | MF_00306, SRP54, 1 hit |
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 IPR036225, SRP/SRP_N IPR022941, SRP54 IPR006325, SRP54_euk IPR000897, SRP54_GTPase_dom IPR042101, SRP54_N_sf |
PANTHERi | PTHR11564, PTHR11564, 1 hit |
Pfami | View protein in Pfam PF00448, SRP54, 1 hit PF02881, SRP54_N, 1 hit PF02978, SRP_SPB, 1 hit |
SMARTi | View protein in SMART SM00382, AAA, 1 hit SM00962, SRP54, 1 hit SM00963, SRP54_N, 1 hit |
SUPFAMi | SSF47364, SSF47364, 1 hit SSF47446, SSF47446, 1 hit SSF52540, SSF52540, 1 hit |
TIGRFAMsi | TIGR01425, SRP54_euk, 1 hit |
PROSITEi | View protein in PROSITE PS00300, SRP54, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | SRP54_DICDI | |
Accessioni | Q75K18Primary (citable) accession number: Q75K18 Secondary accession number(s): Q552P1 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | April 8, 2008 |
Last sequence update: | July 5, 2004 | |
Last modified: | February 23, 2022 | |
This is version 116 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- Dictyostelium discoideum
Dictyostelium discoideum: entries, gene names and cross-references to dictyBase - SIMILARITY comments
Index of protein domains and families