Conserved Protein Domain Family
Holin_2-3

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pfam13272: Holin_2-3 
Putative 2/3 transmembrane domain holin
Holin_2-3 is a putative holins with 2 or 3 transmembrane segments. It consists of many proteobacterial proteins ranging in size from about 70 aas to 120 aas. They have 2 or 3 predicted TMSs. Although some are annotated as phage proteins or holins, none appears to be functionally characterised.
Statistics
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PSSM-Id: 493243
Aligned: 11 rows
Threshold Bit Score: 105.508
Created: 16-Feb-2025
Updated: 28-Apr-2025
Structure
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Aligned Rows:
Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Q7VLB5        13 LLSWVVSSLVLLIVIALVSPQQ----LPVVLYKLALVCMAAIIGYHLDRALFPYSSPGSYLAINWKvyfkhqHTKNSDQA 88  [Haemophilus] d...
Q6AMU7         6 LQKMVLISLVCLLLVALVAPYQ----LPLVGYKLGLVCLGACTFFWLDRIAFPYSRPGSYLLKPWQ------EVGDFIEG 75  Desulfotalea ps...
Q6D0T6        14 LLGWQLTAVLLLAVIALVSPQQ----LPVVIYKISLITLAAVLGYWLDRSLFPKAALGQYL-----------VHDPELMK 78  Pectobacterium ...
BAN95455       1 M----LTAAGLLLVIGLVSPQQ----LPVVLYKLALITLAAVVGYWLDRSLFPRARPGQYL-----------HHDHPEVA 61 
Q6D3G4         9 LTGWIMTSAFLFTVIGLISPQQ----LPVTVYKLSLISLAAVLGYWLDRSLFPKARPGLFL-----------EQGDEPVP 73  Pectobacterium ...
1_pfamImport   1 LTVWLVASIVL--AVLAYANRQsdplLSVTFYKAHLMSLGGWGGYWLDRLIFPYARPHEFVPTA---------------- 62 
2_pfamImport   1 I--CVILTVLLFLALVIFSPRQ----LPVIHYKFALCLLAGLAGYWLDRVLFPFANPSGYLCEDWKe-----HINGCQTG 69 
Q728A6        15 MLWCAFIALLFLLAVGCIAPQQ----LPVILYKASLILLAAFTGYWIDRWAFPYARPDSYLVSDWR------RQRGFVPC 84  Desulfovibrio v...
Q72D02        17 MGWCLALSVLLLGLVGLFSPQQ----LPVIIYKGSLLSLAGTGGYWLDRWAFPYARPDSYLVYEWK------DEDEFSDG 86  Desulfovibrio v...
Q6QIC8        10 LTSWLVAAIILVAAIALFSPQQ----LPVALYKLSLVSLAAVVAYWLDRGLFPYARPDSYLETDWR------HGPDGLTP 79  Burkholderia vi...
WP_014703413  10 LSGWLVVALVLIVLIALISPTQ----LPVVLYKLSLVTFATVLAYWLDRTLFYYARPHQLF-----------AEANGLHK 74  Methylophaga fr...
Q7VLB5        89 KPEYPV-----------------HKGYELIFALVVLRRALIVG-TVILGVTLGL 124 [Haemophilus] ducreyi
Q6AMU7        76 QADYKI-----------------AYGYEMVFALVCCRRAFMMSiGGSLGLALGL 112 Desulfotalea psychrophila
Q6D0T6        79 CGEYPV-----------------KNGYQRVFAAALIRRAIIVA-AVCLAVAMGL 114 Pectobacterium atrosepticum
BAN95455      62 QGRHPV-----------------RGGCHQVFAAAQLRRAVIVA-AVCLSVAMGL 97 
Q6D3G4        74 RGRFPV-----------------RDGHHTVFAAAMLRRALIVS-AVCIGVAMGL 109 Pectobacterium atrosepticum
1_pfamImport  63 -DQFEVdvagvelsefeckialdPRAHAELFKAVSLRRAIIVA-ASLICVGLA- 113
2_pfamImport  70 RADYPI-----------------VIEYQKSFCTAMLRQAAIVV-GTMLAVSLGL 105
Q728A6        85 DANDPI-----------------ARGYARIFAAALVRRAIIMG-AAMLAVGLGL 120 Desulfovibrio vulgaris str. Hildenborough
Q72D02        87 VEDYPV-----------------VENCQRLFIAASLRRAAVMA-VAMLAVGLGL 122 Desulfovibrio vulgaris str. Hildenborough
Q6QIC8        80 EADYRV-----------------AKGYELVFAAAMLRRAVIVL-GVVVGVALGL 115 Burkholderia virus BcepMu
WP_014703413  75 DSQFYD-----------------SNQLRLQASLATLRRALIVL-AVVLGMTLGL 110 Methylophaga frappieri
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