Conserved Protein Domain Family
DNA_primase_S

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pfam01896: DNA_primase_S (This model is not part of the current CDD release)
DNA primase small subunit
DNA primase synthesises the RNA primers for the Okazaki fragments in lagging strand DNA synthesis. DNA primase is a heterodimer of large and small subunits. This family also includes baculovirus late expression factor 1 or LEF-1 proteins. Baculovirus LEF-1 is a DNA primase enzyme. The family also contains many bacterial DNA primases.
Statistics
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PSSM-Id: 514581
Aligned: 36 rows
Threshold Bit Score: 40.6578
Created: 13-Feb-2025
Updated: 28-Apr-2025
Structure
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Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Q8QNM0  68 FDVD--MLDTDv--------LGVEASSRIFSVIQSVIKSYYAGDQNDD----------R---FRCVVCDTTVKkvPSSDG 124 Ectocarpus siliculosu...
Q82MG4 134 LDLD--PQPGTd--------------YADAVRAAHELRAVL-HEYGDLrgwp--ktsgGr-gLHVFVPIERRW--TFTQV 191 Streptomyces avermitilis
Q5Z031 140 IDLDp-MPDCP---------------WSRVQRVAGVVQEVL-GELGAVgwpk---tsgGk-gLHVYVRIAPQW--SFTEL 196 Nocardia farcinica
Q9ZC15 150 FDLDpaQDDFEa-----------------VRAAARLLAGLL-DELKLPsapm---ttgSr-gLHVVVPLDGRQ--DFDDV 205 Streptomyces coelicolor
Q5Z219 139 FDLD--PGPGVglpe---------------caeVALAVRDMIEDIGMhafp---vtsgSk-gIHLYVPLDRVL--SPGGA 195 Nocardia farcinica
Q3J300 693 FDLD--PDEGLd--------------FAHVRTAAAELRGLL-TDLGLPsvpm---lsgGk-gVHVIVPLKPKA--EWESV 749 Rhodobacter sphaeroid...
Q30YF6 146 LAAD--FDEAD-----------------WREDARAFMQSC--RELAIPaale--isrsGn-gAHAWIFFAEPV--PAREA 199 Desulfovibrio alasken...
Q96LW4 113 FDLE--FNKPAnp-----gaDGKKMVALLIEYVCKALQELYGVNCSAEdvlnldsstdEkfsRHLIFQLHDVA--FKDNI 183 human
Q4QB95 176 MDID--AQVPQeywtmskirVYQRKVLDDVLTPLKEEIEKIGEEIETQvvlq--spnlKkasFHVHTRLKDAA--FAD-- 247 Leishmania major
Q98518  74 LDI---LTTREn--------------------AKKMTTGVFTDEIKnvfy----ticvAtamMFDITKTTVTM--CISNI 124 Paramecium bursaria C...
Q8QNM0 125 EIALTKNgYHVIYpnlrinlsqalqlrysvvnelektlGPradgmnawsdvidRAPYTSGLkmcgsfkrvkctdckkadp 204 Ectocarpus siliculosu...
Q82MG4 192 RRAAIA-------------------------------------------------------------------------- 197 Streptomyces avermitilis
Q5Z031 197 RRAALA-------------------------------------------------------------------------- 202 Nocardia farcinica
Q9ZC15 206 REFA----------------------------------RA-------------VADVLAAA------------------- 219 Streptomyces coelicolor
Q5Z219 196 STVA----------------------------------KQ-------------VATNLEKL------------------- 209 Nocardia farcinica
Q3J300 750 KLFS----------------------------------RA-------------LATHLAQE------------------- 763 Rhodobacter sphaeroid...
Q30YF6 200 RQLGAA-------------------------------------------------------------------------- 205 Desulfovibrio alasken...
Q96LW4 184 HVGNFLR-K----------------------------------------------------------------------- 191 human
Q4QB95 248 --------FYSLH-------------------------GF-------------LFRFQDR-------------------- 261 Leishmania major
Q98518 125 PKKKDDGvKVGVH-------------------------LT-------------FDNIFVTSptalhvrekvle------- 159 Paramecium bursaria C...
Q8QNM0 205 tfkdkkkallaEMAKLRRKIFPREPGFdytdlsdihsdefkdavfgdkygkyldltgfnsckmclntgkvmekrtympcl 284 Ectocarpus siliculosu...
Q82MG4 198 -----------AGRELERRMPDQVTTAww--------------------------------------------------- 215 Streptomyces avermitilis
Q5Z031 203 -----------FAKEVERRAPDDVTTTww--------------------------------------------------- 220 Nocardia farcinica
Q9ZC15 220 -----------HPDRLTTAARKKDRGD----------------------------------------------------- 235 Streptomyces coelicolor
Q5Z219 210 -----------RPDLVTATMAKAVRRGkvfld------------------------------------------------ 230 Nocardia farcinica
Q3J300 764 -----------APDRYTATMAKAGRKG----------------------------------------------------- 779 Rhodobacter sphaeroid...
Q30YF6 206 -----------LISHTCDRTRQLSLTS----------------------------------------------------- 221 Desulfovibrio alasken...
Q96LW4 192 -----------ILQPALDLLGSEDDDS----------------------------------------------------- 207 human
Q4QB95 262 -----------LPNVDLQIYRPNGMLR----------------------------------------------------- 277 Leishmania major
Q98518 160 tlvcehnpfdnTWDSIVDVSVFKGSGMrlpw------------------------------------------------- 190 Paramecium bursaria C...
Q8QNM0 285 vldgggdvdvslldvlreDYFEVMKYTSIRCQDGEKETRGFTIPKGVPRAPTeENGANMRS 345 Ectocarpus siliculosus virus 1
Q82MG4 216 -----------------kEERGEKIFVDYNQT---ARDRTIASAYSVRPRPHaPVSAPLRW 256 Streptomyces avermitilis
Q5Z031 221 ----------------rrDRDPKLLFVDYNQN---ARDHTIAAAYSVRGVPQaTVSTPVRW 262 Nocardia farcinica
Q9ZC15 236 -----------------------RLYLDIQRN---AYAQTAVAPLTVRARPGaPVATPISW 270 Streptomyces coelicolor
Q5Z219 231 -------------------------------wsqnNPAKTTIAPYSLRGRAEpNAAAPRTW 260 Nocardia farcinica
Q3J300 780 -----------------------RIFIDW---LRNDRGSTAIAPYSLRARPGaPVATPVDW 814 Rhodobacter sphaeroides 2.4.1
Q30YF6 222 ---------------------YDRLFPNQDTMPKGGFGNLIALPLQKQPREL-GRSIFVDE 260 Desulfovibrio alaskensis G20
Q96LW4 208 ----------------------------APETTGHGFPHFSEAPA----RQGfSFNKMFte 236 human
Q4QB95 278 ------------------------MFSCMKENRTSAIIVFDESKWNIGFPGG-KVSDEQAA 313 Leishmania major
Q98518 191 --------------sakhDDPKRVYIPVVDYILDSENTGVVEEPLDNEEIVK-SVSSVRNI 236 Paramecium bursaria Chlorella virus 1
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