6UZC


Conserved Protein Domain Family
Portal_T4

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pfam07230: Portal_T4 (This model is not part of the current CDD release)
Bacteriophage T4-like portal protein (Gp20)
This family consists of several bacteriophage T4-like capsid assembly (or portal) proteins. The exact mechanism by which the double-stranded (ds) DNA bacteriophages incorporate the portal protein at a unique vertex of the icosahedral capsid is unknown. In phage T4, there is evidence that this vertex, constituted by 12 subunits of gp20, acts as an initiator for the assembly of the major capsid protein and the scaffolding proteins into a prolate icosahedron of precise dimensions. The regulation of portal protein gene expression is an important regulator of prohead assembly in bacteriophage T4.
Statistics
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PSSM-Id: 517619
Aligned: 59 rows
Threshold Bit Score: 312.216
Created: 14-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:
6UZC_E        72 TRELIDTYRNLMNNYEVDNAVSEIVSDAIVYEDD-----TEVV-ALNL----DKs-kFSP-KIKNMMLDEFSDVL-NHLS 138 Tequatrovirus T4
YP_007006754  86 RQARRWHLITMSKHPELEDIIETLTDEAIVYDKNatyccSAILnTLMLdekiISs-kDSK-DLEELVTEKFPALYrMLGL 163
5_pfamImport   1 RLTRYREFDIMDGDVHVSMALDIIAEEMCGNNGK-----QNLPlEIAItpsgNNp--VPS-RTVTTLRAALKTWC-QLHN 71 
3_pfamImport   1 RVARYMQYDHMDYDIDVNMALDTISEFSTLTEDE-----SQIPfELTVs---NN---INS-GDVQILNEYLAKWC-RIND 67 
YP_009611863  51 RIERYVQYDNMDIDSEVNAALDTIAEFSTRPNED-----NNRLfELNFsetpNE-------SEMTVITRLLDQWI-KMNG 117
YP_009623855  48 RIDRYRQYDQMDQDPEIRTALNIIADFCTQSTQD-----YGLPfKIQYk---DT---MGD-TEVTTLEDRLESWA-DQNQ 114
YP_007007244  46 RTDRYRQYEEMDQDPEIRTALNIIADFCTQSDVD-----FGLPyKIKYk---DN---IGD-TEVTTIEDRLDAWT-DQND 112
CCZ11669      85 VKLMYRDCDLMDAFPEIGAALDIVSEESTITS--------------------DNgmvVNVySKSDRIKSILEDLFvNRLN 144
7_pfamImport   1 RAKIATEIEMMEQDVLISSALEMYADDATQTGAD-------------------GkkvWIE-SPDKDLALYLNNLL-VTLK 59 
YP_009302415  50 KSAVFKEYENMANDVFIASALELYADDAVQSEIR------------------TGrlvWIT-AKDKDLQSDLDVLM-DELE 109
6UZC_E       139 FQRKGS----------DHFRRWYVDSRIFFhkiIDPKRPKEgiKELrrLDPRQVQ----------------------YVR 186 Tequatrovirus T4
YP_007006754 164 YKSGAK----------SLMQEWLVEGKKAWeivYDSLDNPKsiIGLvpIDPLSLIehwde-------------------- 213
5_pfamImport  72 WAERIF----------PICRNTIKYGDAFF----MRPEKKNgsYVW--IHPKSII----------------------GAI 113
3_pfamImport  68 WNSRIF----------DLFRNTIKYGDQIF---VRDPETFE--LYW--VDVYNVS----------------------KVL 108
YP_009611863 118 FKKKLF----------RLFRNTLKYGDQIF---IRDPSTLK--LYW--IDMYKVE----------------------SVV 158
YP_009623855 115 FKIRIY----------DIIRGILKYGDQFF---IRDPETFE--WYW--VNPMNVD----------------------KVV 155
YP_007007244 113 FKIRMY----------EIVRGLLKYGDQFF---IRDPETYD--WYW--VDPSNVE----------------------QVF 153
CCZ11669     145 IQVTAP----------MVVRAMCKYGNQFMlldVDSKLGVKgwKQLpvFSVERVEngvgnpygqsmynvvgrntdtsKVD 214
7_pfamImport  60 VDDNAWkwayllaksgEFFIRLHKDANGRYektLDTEEDSHkiADLsyKGKTDYF----------------------AVS 117
YP_009302415 110 IESRVWdwahnvahygELFLKLFFDEQGRLlkyVEEVSDPGnlLDLqyMG--KTE----------------------YFA 165
6UZC_E       187 EIITEteagt-------kivkGYKEYFIYDTAHESY-------------------------------------------- 215 Tequatrovirus T4
YP_007006754 214 ---------------------dgnrwWIQEPNLTQQs------------------------------------------- 229
5_pfamImport 114 VSENDi--------------sDVKGWHVKTDSKMANpqmgtgimfn---------------------------------- 145
3_pfamImport 109 VNEEEg--------------kDPEFYFVKNLSLNMQqmvatseseflmdiplaggarkskqftnnqsmysfnddsygssg 174
YP_009611863 159 VDEANg--------------kEPVSYYIRDLDLNLQtavatipthygsnvmgn------------gfrptmqnggydvnn 212
YP_009623855 156 VNESTg--------------kNPIIYYIRDVSLNMRdkvmsnlqlgfdkmaypgs-------lpnslagsgqqygsggga 214
YP_007007244 154 VNQATg--------------kNPVVYYIRDVSLNLKdkvlsnvhigfnqsaytgaapn-llgsnssaasvgglagitssg 218
CCZ11669     215 TSTK----------------------FVWVDENNSQ-------------------------------------------- 228
7_pfamImport 118 EEIKGhtrterkvktslyppdLFVHFYMESPTKPQVi------------------------------------------- 154
YP_009302415 166 TVQNEvdgakkvqkltlqdpdSYVHFMIRKANRFDE-------------------------------------------- 201
6UZC_E       216 -ACDG---RM---YEAGtkikIPKAAVVYAHSGLVDCCG-KN--I-IG--YLHRAVKPANQLKLLEDAVVIYRITRAPDR 282 Tequatrovirus T4
YP_007006754 230 -------sAMgvtRAMGgqrtLHDSQVIYWDWD---PTG-----FkFS--YLERLLRTFNVYRAIERMKVNWWVMNSQFR 292
5_pfamImport 146 -----------vssnigdaavTPVDKSKMIRFSLNDDMS-EEapFgNS--ILRNAYKSFKQKELLEDALIIYRVQRAPER 211
3_pfamImport 175 iQEDKe---------------FPVSATHVVHVSRTNGMD-NLwpFgRS--VLDSIFKPFKQKELLEDAIIIYRVQRSPER 236
YP_009611863 213 tTANAglqPAtvnSLNVasqaVPVDAAHVVHFSLSEGLD-ANwpFgTS--VLESIFKVYKQKELLEDSIVIYRVQRAPER 289
YP_009623855 215 gADSSnpfGtn-gQLDV----LPVAAEHVIHLSLNSGQD-PFwpFgTS--ILENIFKVYKQKELLEDSIIIYRVQRAPER 286
YP_007007244 219 sSGSSdpfNts-gRMDV----LPVAAEHVIHFSLNTGQD-GVwpFgTS--ILENVFKTYKQKSLLEDSIIIYRVQRAPER 290
CCZ11669     229 ---------------------VPFRNWQIAHFRLLTNSL--YlpYgCS--YLNAARRHWRMLSLMEDMMLIYRLERSIER 283
7_pfamImport 155 --------------------qVELPAMNVENNLMRDy------kViRGrgIVEPLRSNYRILRLIEDSLIVSRINKSAIL 208
YP_009302415 202 ---------------------IDVKIPKVEEDGTTTTEVqQKykVaRGvsILEPLRSSYRILRLLEDSLIVARLSRSAMI 260
6UZC_E       283 RVWYVDTGNMPARKAAEHMQHVMNTMKNRVVY--DASTGK---IK-NQQHNMSMTEDYWLQRRDGKAVTEVDTLPG-ADN 355 Tequatrovirus T4
YP_007006754 293 TMIVIPTHGKSRQRAAEVLAAAMQRYRDHVEF--SDEDGT---VKvNGSANIPANKEYWLADTSSGK-PEVSTVGGdGYD 366
5_pfamImport 212 RVFYIQTGRMPPHKVAHHLEQIKNEIKQKKIP---SQSGGqnvVD-STYNPASMNEDYFFAEGADGKGSRVEVLPG-GQN 286
3_pfamImport 237 LLFKIDTGTMPPNKADKYVEQVATRLRQKRVPivDTEKGEt-lMD-TTYNPLGMTEDFFFAQGADGRGSSVESLPG-GES 313
YP_009611863 290 RAFYIDVGDMKLTKAGAYLEKIKMEIHQKRMP--SRTGGGaniTD-ARYDPLSILDDYFFATNSDGRGSRVEILPG-GEN 365
YP_009623855 287 RVFKIDVGDMQPHQAMAFVERVKNDIHQRRIP--SNKGGStslMD-AAYNPLSILEDYFFPQTADGRGSSVETLPG-GDN 362
YP_007007244 291 RVFRIDVGDMQTHQAMAYVERFKNEIHQRRIP--SNKGGStsmMD-AAYNPLSILEDYYFPQTADGRGSSVDTLPG-GDN 366
CCZ11669     284 RVYKIYVGAIDDADVQAYVENIANNFKRTPII--DPMTGQ---ID-LRKNILSVDQDIFIPVRDQNAPTPIDTLSG-AQN 356
7_pfamImport 209 RLFSIEVGALPPKKAREMVMKFKKLIDAQESL--DIQAGK---FK-TSKAPGPFEDPLIVPTRNGQGSVSHQVIGG-DVD 281
YP_009302415 261 RMFSVEVGTAPPKKAREMVNKLKKLLDSQEQV--DVQSGE---FA-SKKSPGPIDDPLIIPTRNGKGSVSYQNIGG-DVD 333
6UZC_E       356 TGNMEDIRWFRQALYMALRVPLSRIPQDq-QGGVMFDSG---TSITRDELTFAKFIRELQHKFEEVFLDPLKTNLLLKGI 431 Tequatrovirus T4
YP_007006754 367 LSS-ADTSWSKRNLLELSKVPLDRFDPSs-SESWNLDP----TSSRRQELKFAKFVQTLRTSMSEIMLKPLIIQICLDRP 440
5_pfamImport 287 LGELQDLDYFFNKMWMGLRIPQSYINGSadGGA--IFNDgrvGIAYLQEIKFSLYVERLQGHIEKIFDQEFKRWLHENNI 364
3_pfamImport 314 TGSIEDLKFFTSRMIRGLRVPIAYMSYLteDGQTHQYNDgkvGTAYMEEFKFSKYCERLQREVIRSLNREFKLYIKNNDI 393
YP_009611863 366 LGSIDDLKYFNNKMVRGLRVPSSYLPTGpeDSQ-AVYTDgrvGTAYIQEYRFSNYCQRIQNVLTDTFDQEFKLYIKQRGY 444
YP_009623855 363 LGQIDDLRYFNNKLIRGLQIPASYLPMGpdDGGVALFGDg-aTQAMASELRFNNECMRYQRIISRIFDDEFKRYMLKNGY 441
YP_007007244 367 LGQIDDLRYFNNKLIRGLQIPSSYLPQGpdDGGVSLFGDg-aTQAMASEIRFNNECMRYQRLVAKVFDAEFKRFMLHNGY 445
CCZ11669     357 LTAMDDIKFVQDKVCTALRIPKTFLNFDeaQGDG--------KNLALEDIRFTRTINRIQQAFLMELTKVASIHLYLLGF 428
7_pfamImport 282 IHSLVDLDYFRNKVFGGLKIAKEFLGWSetSSG---GFs---SPLTKLDVRYCRSVKRVQNPLIYGITTLLNLILISEGR 355
YP_009302415 334 VRSITDIDYFRNKMFAGLKVPKAFLGFEefLPG---GMGq--SPLTKLDVRYARTVKRVQNAVRDGIKKLLNLYLIDQGR 408
6UZC_E       432 ITedewndEINNIKIEFHRDSYFAELKEAEILERRINMLTMA--E-----------Pfi-gkYISHRTAMKDiLQMT--- 494 Tequatrovirus T4
YP_007006754 441 NLtnn-yeLLDAITIDFLSENIFTQKIEMEIMKERTEFIGEMmdKlkrvdadgnekP-----FFSLKFLMDKyMMLT--- 511
5_pfamImport 365 AV------DPTLYHLELPAPSNFSKSKEQQMDAELLNTMVTAdgI-----------A-----HFSKRFVLKKyGQLT--- 419
3_pfamImport 394 -Di-----SSSDFDIKLRKPQSFSDYRQIELDTAQLAVFQSVadV-----------E-----FLSKRFVMQRfMGLT--- 448
YP_009611863 445 DNi-----DVSIFELILNPPQNFRKFAQIERDAAMISSFQALadT-----------P-----YLAKRFLLSRyLGLS--- 500
YP_009623855 442 NI------SASSFEVTFNPPMNFAANRKAEMDAKLIQTYMPLndL-----------K-----YFSKQFIMKQ-MGFE--- 495
YP_007007244 446 NI------STASFEVVLNAPINLATYRRAELDAKLITTYLPLndL-----------P-----YMAKQTILQK-MGFE--- 499
CCZ11669     429 TD------DLTNFNLTMNNPSTQAEQLEIDNIQKKISAARDAisD-----------PgngipVMSQTRALKQiMGWS--- 488
7_pfamImport 356 SN------DVNNFEVKMVVPSSAEEEDRLMNIQTRVATADQLiaMten------ikDfv-dkKQLATMIADEiLQFPgfk 422
YP_009302415 409 DG------QVNQFEVHMTEPSSSEEADRMVDMSNRIALADSMmrLldte----ttkGmf-dnYKLVSTILKEvLKYEelq 477
6UZC_E       495 ----------------------------DEEIEQE-AKQIEEE 508 Tequatrovirus T4
YP_007006754 512 ----------------------------PEELEQN-AKALKEE 525
5_pfamImport 420 ----------------------------EEEILLN-ERMLREE 433
3_pfamImport 449 ----------------------------EEEIKEN-ERMWKEE 462
YP_009611863 501 ----------------------------DEEIIEN-ETLWKEE 514
YP_009623855 496 ----------------------------QDDIVEN-ERLWMQE 509
YP_007007244 500 ----------------------------QKDIVQN-EELLRQE 513
CCZ11669     489 ----------------------------EKEIKDNlEEIRLEK 503
7_pfamImport 423 acildqpkshkeeddaevetyedeeydgHDQETQH-NELELQR 464
YP_009302415 478 d-----------------------tllpHDKYKEF-VKQQEEQ 496
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