6SJ5,3UPS,7O9K,4WCW,2ID1,6YXY,6YWV


Conserved Protein Domain Family
RsfS

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pfam02410: RsfS (This model is not part of the current CDD release)
Ribosomal silencing factor during starvation
This family is expressed by almost all bacterial and eukaryotic genomes but not by archaea. Its function is to down-regulate protein synthesis under conditions of nutrient shortage, and it does this by binding to protein L14 of the large ribosomal subunit, thus acting as a ribosomal silencing factor (RsfS) by blocking the joining of the ribosomal subunits. This family is structurally homologous to nucleotidyltransferases.
Statistics
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PSSM-Id: 514915
Aligned: 702 rows
Threshold Bit Score: 42.0488
Created: 13-Feb-2025
Updated: 28-Apr-2025
Structure
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Program:
Drawing:
Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
6SJ5_A         9 IAVDAIDNKKGEDTISL-EMKGi----SDMTD-----------------------YFVVTHGNNERQVQAIARAVKEVAN 60  Staphylococcus ...
XP_003578737  42 EVEKVLRDVRAGDVRVF-PVGEgglhgGSCAD-----------------------YMVVATGRSDWHVRNIAQAIIYKIK 97 
XP_002312333  51 EIEKVLTDVRADDVKVI-PAKKh----AEWAD-----------------------YMVIATGRSTWHVKNIAQALIYKAK 102
Q9CAF9        49 EVEKILADVKADNVTVI-PTHNh----CFWAD-----------------------FTVIATGRSDWHLRNIAQALVYRAK 100 thale cress
ERN11873      53 EVKKVLSDLRAEDIQII-PVKSq----CEWTD-----------------------FMVIATGTSTWHVRNIAQALIHKVK 104
CAG1847835    52 EVEKILGDVKADDVRVI-SVRDq----CDWTD-----------------------YMVVATGRSSWHVRNIAQALIHRVK 103
XP_002958717 509 EIATWLVKARAQDVVVIsDSDS---------DgeagsgttgseigfgvgsgsrvsYTVLATALSQRHAYACAEAVRFQVR 579
XP_002504921 527 ELVRILLKAKGADVVVI-PVKEk----CNWTD-----------------------HFVVGTAKSPRHIRMLAGAVLHAVK 578
XP_001420559 206 ELVQLLVRARGIDVMSI-NVRDq----CTWTD-----------------------HLIIATARSAHHLKALAGAVLHAVK 257
XP_001749221 156 DVVRSALDMKGDDIFVL-EVGGr---rREDYD-----------------------FLVIVSARSKRHLRALAQDAA--LR 206
6SJ5_A        61 EqNIEvk-------------------------------------rMEGYn-------EA-RWILIDLADVVVHVFHKDER 95  Staphylococcus ...
XP_003578737  98 QkQKGsdri--------------------------------lmpsVEGQ--------QAgKWVVIDSGSIIIHALEERAR 137
XP_002312333 103 QkQKGaqrm--------------------------------tlpsVEGQ--------EGgKWIVIDSGKVIVHALDEKAR 142
Q9CAF9       101 QkQKGakhv--------------------------------mlpsVQGY---------NsKWIVIDYGKFVVHALDEKAR 139 thale cress
ERN11873     105 QkQKGaerl--------------------------------llpsVQGH--------EGgNWVVIDSGNVIVHALDEKAR 144
CAG1847835   104 QkQKGaerl--------------------------------vlpsVEGH--------EGgKWIVIDSGNVIVHALEEKAR 143
XP_002958717 580 ErLEEmmlagsyssespdsrsgsmhggstdkaaleqsflrggapsVSGF--------NGaDWLSLEAGRVQVHVLTPQAR 651
XP_002504921 579 KrTRFivgnk-------------------------------lqpaIEGAdagdgetpGDdHWMLVDCGSCVVHVFSPEAR 627
XP_001420559 258 ArTEYvaggr-------------------------------lqpvIEGAqn-----ggDkDWMAVDCGSCMVHIFSPEGR 301
XP_001749221 207 HrEAAglgsnt----------------------------plssliIGHA---------DdYWSIVATGRVMYHMMLPEAR 249
6SJ5_A        96 NYYNIEKLY 104 Staphylococcus aureus
XP_003578737 138 EYYDLESIW 146
XP_002312333 143 AYYNLESLW 151
Q9CAF9       140 GYFNLESLW 148 thale cress
ERN11873     145 SYYKLESLW 153
CAG1847835   144 AYYNLESLW 152
XP_002958717 652 RYYRLEELL 660
XP_002504921 628 RRFDLEGLW 636
XP_001420559 302 AQYNLEELW 310
XP_001749221 250 SYYQLESLW 258
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