Conserved Protein Domain Family
PsaA_PsaB

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pfam00223: PsaA_PsaB (This model is not part of the current CDD release)
Photosystem I psaA/psaB protein
Statistics
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PSSM-Id: 513261
Aligned: 14 rows
Threshold Bit Score: 1069.79
Created: 12-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:
WP_015126596  33 FDRTLARGPkTTAWIWNLHANAHDFDTHTSDLQD-ISRKIFAAHFGHLAVVFVWLSGMYFHGARFSNFEAWMANPTAIKP 111 Calothrix sp. P...
Q7NFT5         8 FSQDLAQDP-TTRRIWYGIATAHDFESHDGMTEEsLYQKLFATHFGHLAIIFLWSSGNLFHIAWQGNFEQWVSNPTGVVP 86  Gloeobacter vio...
Q7NFT6        34 FERNLARGPkTTTWIWDLHALAHDFETHTSDKEE-ISRKIFSAHFGHLAVVCVWLSGMFWHGAYFSNFTAWMENPLGLKP 112 Gloeobacter vio...
B0C474        35 FNKSLSKGPqTTTWIWNLHALAHDFDTQTNDLEE-ISRKIFSAHFGHLSIIFVWISGMIFHAARFSNYYAWLADPLGNKP 113 Acaryochloris m...
Q9L4N4        43 SSK-LSKGPkTTTWIWNLHADAHDFDTHLGDLEE-TSRKIFSAHFGHLAVVFIWMSAAFFHGARFSNYTGWLADPTNVKP 120 Prochlorococcus...
Q8MFA3        32 FSRTLAKGPnTTTWIWNLHADAHDFDSHTNDLEE-ISRKVFSAHFGQLAVIFIWLSGMYFHGARFSNYEAWLSDPTHIKP 110 Physcomitrium p...
Q2JQ89        34 FDRSLSRGPkTTTWIWNLHALAHDFDSHTSDLED-VSRKIFSAHFGHLAVVFVWLSGMYYHGAQFSNYSAWLADPINIKP 112 Synechococcus s...
WP_015173233   8 FSQDLAQDP-TTRRIWYGIATAHDFESHDGMTEEnLYQKIFASHFGHLAIIFLWTSGNLFHVAWQGNFEQWVKDPLNIRP 86  Geitlerinema sp...
EFJ05046       7 FSRGLAQDP-TTRRIWSGIATAHDFESHDGMTEKrLYQTLFASHFGQLAIIFLWTSGNLFHVAWQGNSEAWIQDPLHVRP 85 
A0T0M9         8 FSQALAQDP-ATRRIWYGIATAHDLEAHDGMTEEnLYQKIFASHFGHLAIIFLWTSGNLFHVAWQGNFEKWVSNPLKTRP 86  Thalassiosira p...
WP_015126596 112 SAQVVW-PIFGQEILNA--DVGGGFHg--IQIT-SGLFQMWRGEGFTNTFQLYCTAIGALVMAALMLFAGWFHYH-KRAP 184 Calothrix sp. P...
Q7NFT5        87 IAHAIWdPHFGKGAVEAftPEGGAGP---VNAAySGLYYLYYTLGMRFNSDLYQGSIFLMVLATVFLIAGWLHLQpRFRP 163 Gloeobacter vio...
Q7NFT6       113 SAQTVW-PVFGQEILNDpsTVAKGFEqggIVIT-SGLFHLWRAVGFTTTGQLAAMSIAMLIIAALFLFAGWFHYH-KRAP 189 Gloeobacter vio...
B0C474       114 SAHVVW-PIVGQDILNA--DVGNGFRg--VQIT-SGLFHILRGAGMTDPGELYSAAIGALVAAVVMMYAGYYHYH-KKAP 186 Acaryochloris m...
Q9L4N4       121 GAQVVW-PVVGQEILNA--DLGGNYQg--LQIT-SGIFQMWRAWGITSEVQLMALAIGGVIMAALMLHGGIYHYH-KAAP 193 Prochlorococcus...
Q8MFA3       111 SAQVVW-PIVGQKILNG--DVGGGFQg--IQIT-SGFFQLWRASGITSELQLYTTAIGGLIFAALMLFAGWFHYH-KAAP 183 Physcomitrium p...
Q2JQ89       113 SAQVVW-PIFGQEILNG--DVGGGFEg--IRIT-SGLFHLWRAAGITNEFQLLCTAIGGLVMAGLCLFAGWFHYH-KRAP 185 Synechococcus s...
WP_015173233  87 IAHAIWdPHFGKPAVEAftQAGASNP---VNIAySGVYHWWYTIGMRHNSDLYTGAVFLLILSAIFLFAGWLHLQpKFRP 163 Geitlerinema sp...
EFJ05046      86 IAHAIWdPHFGQPAVEAsaRGGAQGP---VNIAySGVYQWWYTIGLRTNQDIYTGAFYLLTVSILFLVAGWLHLQpRWEP 162
A0T0M9        87 IAHSIWdPHFGESALKAfsK-GNTYP---VNITfSGLYQWWYTIGFRTNQELYKGSIGLLLLASVLLIAGWLHLQpKFRP 162 Thalassiosira p...
WP_015126596 185 KLEWFQNTESMLNHHLAGLLGLGSLGWTGHLIHVALPTNN--------LLDAgval-------------kdipLPHEfil 243 Calothrix sp. P...
Q7NFT5       164 SLAWFKNAESRLNHHLSALFGVSSLAFAGHMIHVAIPAARgqrvdwsnFLNT---------------------LPHP--- 219 Gloeobacter vio...
Q7NFT6       190 KLEWFQNVESMLNHHLAGLFGLGSLFWTGHLIHVALPVKA--------QLDAgiap--------------aqvnPFAgld 247 Gloeobacter vio...
B0C474       187 KLEWFQNAESTMTHHLIVLLGLGNLAWTGHLIHVSLPVNK--------LLDSgvap-------------qdipIPHEflf 245 Acaryochloris m...
Q9L4N4       194 KLEWFRKIEPMLQHHQIALIGLGSIAWAGHLIHIGAPVAA--------LLDAidagnplvvdgvsiasaadvtNLAPrlc 265 Prochlorococcus...
Q8MFA3       184 KLAWFQNVESMLNHHLAGLLGLGSLAWAGHQVHVSLPINR--------LLDAgvdp-------------keipLPHEfil 242 Physcomitrium p...
Q2JQ89       186 KLEWFQNVESMLNHHLAGLLGLGSLAWAGHQIHVAIPINK--------MLDAgvpa-------------dqvpLPHEfil 244 Synechococcus s...
WP_015173233 164 SLSWFKNAESRLNHHLAGLFGVSSLAWTGHLVHVAIPESRgqhvgwdnFLST---------------------PPHP--- 219 Geitlerinema sp...
EFJ05046     163 SISWFKNAESRLNHHLSGLFGVSSLAWAGHLVHVAIPESRgghvrwgnLLSA---------------------LPHP--- 218
A0T0M9       163 SLSWFKNNESRLNHHLSGLLGFSSLAWTGHLVHVAIPASRgvhvgwdnFLTT---------------------PPHP--- 218 Thalassiosira p...
WP_015126596 244 nsslmtqlypgadwgfvKGVVPFFTLQWGHFAD------------------FLTFKGGLNPVTGGLWLTDVAHHHLAIAV 305 Calothrix sp. P...
Q7NFT5       220 -----------------AGLAPFFTGNWGVYADpqa------------gppILTFIGGLNPATGTLWLTDIAHHHLAIAV 270 Gloeobacter vio...
Q7NFT6       248 yglmgq--yfpkgfgpnGGLGAFFTLNWGQFTD------------------FLTFKGGLEPATGALYLTDIAHHHLAIAT 307 Gloeobacter vio...
B0C474       246 dngfm----adlypsfaQGLMPYFTLNWGAYSD------------------FLTFKGGLDPTTGGLWMTDIAHHHLALAV 303 Acaryochloris m...
Q9L4N4       266 dpavas---qifpslagRTVENFFTLNWWAFTD------------------ILTNKGGLNPVTGSLWMTDISHHHLAFGV 324 Prochlorococcus...
Q8MFA3       243 nrdll----aqlypsfsKGLTPFFTLNWSEYSD------------------FLTFRGGLNPVTGGLWLTDTAHHHLAIAV 300 Physcomitrium p...
Q2JQ89       245 kpalmkemfpsvdwgifSGVVPFFTLDWGKYAE------------------FLTFKGGLDPQNGALWLTDQAHHHLAIAV 306 Synechococcus s...
WP_015173233 220 -----------------AGLGPFFTGNWGVYAQnpdtanhvfgsaegagtaILTFLGGFHPQTQSLWLTDIAHHHLAIAV 282 Geitlerinema sp...
EFJ05046     219 -----------------QGLGPLLAGQWGVYARdvdssshlfntskgagtaIPTFIGGFHPQTQSLWLTDIAHHHLAIAV 281
A0T0M9       219 -----------------AGLTPFFTGNWTVYAEnpdsathvfntsegsgtaILTFLGGFHPQTQSLWLSDMAHHHLAIAV 281 Thalassiosira p...
WP_015126596 306 LFIFAGHMYRTN-WGIGHSLKEMLDDARTPKmlpflSFIGPvGHKGLFEILRTSWHAQLAINLAMLGSLSIIIAHHMYSM 384 Calothrix sp. P...
Q7NFT5       271 IFIIAGHMYRTN-FGIGHSIKEILDAHKGP-------LTGE-GHRGLYDTINNSLHFQLGLALASLGVVTSLVAQHTYAL 341 Gloeobacter vio...
Q7NFT6       308 LFIIAGHMYRTN-WGIGHSIKEMLEAHKGP-------LTGE-GHRGLYEVLTTSWHAQLAINLAMAGSITIIVAHHMYAM 378 Gloeobacter vio...
B0C474       304 MYIIAGHMYRTN-WGIGHSMKEIMESHKGP-------FTGE-GHKGLYEVLTTSWHAQLAINLATWGSFSIIVAHHMYAM 374 Acaryochloris m...
Q9L4N4       325 FAIFGGHMWRNNvHGVGHSMKEIMDVHKGDPi----lFPAPkGHQGIFEFLSNSWHGQLSINLAMVGSASIVVAHHMYAL 400 Prochlorococcus...
Q8MFA3       301 LFLVAGHMYRTN-FGIGHSMKEILEAHKGP-------FTGE-GHKGLYEILTTSWHAQLAINLAMLGSLTIIVAHHMYAM 371 Physcomitrium p...
Q2JQ89       307 LFIVAGHMYRTN-WGIGHSIKEILEAHKGP-------FTGE-GHKGLYEVLTTSWHAQLAINLAMVGSLSIIVAQHMYAM 377 Synechococcus s...
WP_015173233 283 IFIIAGHMYRTN-FGIGHSIREILKAHRPPegtpfgGLLGK-GHEGLYDTLNNSLHFQLALALASLGVVTSLVAQHMYSL 360 Geitlerinema sp...
EFJ05046     282 VPTIAGHMYRTN-SGIGHSMRGVLEAHTPPG-----GRLGR-GHQGLYDTINNPLHFQSGLASASLGVVTSPVAQHMYSL 354
A0T0M9       282 VFIVAGHMYRTN-FGIGHNMKEILDAHRPPg-----GRLGA-GHVGLFETITNSLHMQLGLALACLGVATSLTAQHMYAL 354 Thalassiosira p...
WP_015126596 385 PPYPYQATDYATQVSLFTHHVWIGGFLIVGAAAHAAIYMVRDYDPEQNLNNVLDRVLRHRDAIISHLAWVCQFLGFHSFA 464 Calothrix sp. P...
Q7NFT5       342 PAYFYMPQDHTTMAALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPKANENNVLARMLEHKEALISHLSWVSLFLGFHTLG 421 Gloeobacter vio...
Q7NFT6       379 NPYPYMGTDYATQISLFTHHMWIGGFLIVGAGAHAAIFMVRDYDPVTNQNNLLDRVLRHRDAIISHLNWVTLFLGFHSFG 458 Gloeobacter vio...
B0C474       375 PPYPYLATDYGTQLNLFVHHMWIGGFLIVGGAAHAAIFMVRDYDPAVNQNNVLDRMLRHRDTIISHLNWVCIFLGFHSFG 454 Acaryochloris m...
Q9L4N4       401 PPYPYIAIDYPTVLGLFTHHMWIGGLFICGAAAHAGIAMIRDYDPAVHIDNVLDRILKARDAIISHLNWVCMWLGFHSFG 480 Prochlorococcus...
Q8MFA3       372 PPYPYLATDYATQLSLFTHHMWIGGFLVVGAAAHAAIFMVRDYDPTTQYNNLLDRVLRHRDAIISHLNWVCIFLGFHSFG 451 Physcomitrium p...
Q2JQ89       378 NPYPYMGIDYATQISLFTHHMWIGGFFVVGGAAHGAIYMVRDYDPAVNRNNVLDRVLRHRDAIISHLNWVCLFLGFHAFG 457 Synechococcus s...
WP_015173233 361 PPYAFMAKDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLVRDYDPEANKNNVLDRVLQHKEAIISHLSWVSLFLGFHTLG 440 Geitlerinema sp...
EFJ05046     355 PAYAFLAQDFTTQAASYTHHQYIAGFIMTGAFAHGAILSIRDYSPERGRVNVLARMLEHKEATISHLSWASSFLGFHTSG 434
A0T0M9       355 TPYAYLSKDFTTEAALYTHHQYIAGFLMVGAFAHGAIFFVRDYDPELNKNNVLARMLEHKEAIISHLSWASLFLGFHTLG 434 Thalassiosira p...
WP_015126596 465 MYCHNDTMRAFGRPQDMfsdtgIQLQPVFAQWIQHIQTMTIGNPSLQAAAPlghafgglrnvalsglGTAAPNLHEPvsy 544 Calothrix sp. P...
Q7NFT5       422 LYVHNDVMLAFGRPEDQ-----LLIEPVFAQFVQVQSGKIIEGIPALFGGP----------------GV---TAPGEf-- 475 Gloeobacter vio...
Q7NFT6       459 LYVHNDTMQALGRPRDMfadfaIPLQPVFAQWIQ----------NIHAAAPg---------------GATAPWVG-Gtsp 512 Gloeobacter vio...
B0C474       455 LYIHNDNMRSLGRPQDMfsdtaIQLQPIFSQWVQ----------NLQANVAg---------------TIRAPLAEGAssl 509 Acaryochloris m...
Q9L4N4       481 LYIHNDVMRALGRPKDMfsdtgIQLQPFLAQWVQ----------NLQQSAVgtg-----------dlVGAGNLPGSVlse 539 Prochlorococcus...
Q8MFA3       452 LYIHNDTMSALGRPQDMfsdtaIQLQPVFAQWIQ----------NTHALAP----------------SLTAPNATAStsl 505 Physcomitrium p...
Q2JQ89       458 FYVHNDTMQALGRPQDMfsdtgIQLQPIFAQWIQ----------SLHTSAI----------------ASTAPYVGASvsp 511 Synechococcus s...
WP_015173233 441 LYVHNDVVVAFGTPEKQ-----ILIEPVFAQWIQSSHGKALYGFDVLLSNA----------------GSLPANAGGAw-- 497 Geitlerinema sp...
EFJ05046     435 LYVHNDVMPAPGTPEKQ-----ILIEPVFAQWIQSAHGKASYGFDVLPSSP----------------NDPAFSAGRSlw- 492
A0T0M9       435 LYIHNDTVVAFGQPEKQ-----ILFEPLFAEYIQAASGKAVYQFNVLLASS----------------TSPATAAGNQvw- 492 Thalassiosira p...
WP_015126596 545 -afGG--GVLAVG------------GKVAMMpIALGTADFMIHHIHAFTIHVTVLVLLKGVLFARSSRLIPDKANLGFRF 609 Calothrix sp. P...
Q7NFT5       476 --lTGwlGSVN-A------------NNSPIF-LPIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGFAF 539 Gloeobacter vio...
Q7NFT6       513 twyTG--ALSSAAtlqanqvlalanDKISISpIHLGTADFMVHHIFALCIHVTVLILLKGVLFARSSRLIPDKANLGFRF 590 Gloeobacter vio...
B0C474       510 -awGG--DPLFVG------------GKVAMQhVSLGTADFMIHHIHAFQIHVTVLILIKGVLYARSSRLIPDKANLGFRF 574 Acaryochloris m...
Q9L4N4       540 -vfNG--NVVEVG------------GKVAIApIPLGTADLMIHHVHAFTIHVTLLILLKGVLYARSSRLIPDKAQLGFRF 604 Prochlorococcus...
Q8MFA3       506 twgGG--DLVAVG------------GKVALLpIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSSRLIPDKANLGFRF 571 Physcomitrium p...
Q2JQ89       512 -ifGG--DVVAVG------------GKVSMMpMVLGTADFMVHHIHAMTIHITVLILLKGVLFARSSRLIPDKGKLGFRF 576 Synechococcus s...
WP_015173233 498 --lPGwlDAIN-A------------GTNSLF-LTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYSF 561 Geitlerinema sp...
EFJ05046     493 --lPGwlDAID-N------------NSNSLF-LTIGPGDFLVHHAIASGLHTTTLIPSKGALDARGSKLMPDKKEFGHSF 556
A0T0M9       493 --lPGwlEAIN-N------------PKTDLF-LKIGPGDFLVHHAIALGLHVTALILVKGALDARGSKLMPDKKDFGYSF 556 Thalassiosira p...
WP_015126596 610 PCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSMVIFHFFWKMQSdVWGTVGadgvv--------------thitgGNFAQS 675 Calothrix sp. P...
Q7NFT5       540 PCDGPGRGGTCDISAWDAFYLAVFWMLNTIGWVTFYWHWKWIS-IWGDNV------------------------AQFNAS 594 Gloeobacter vio...
Q7NFT6       591 PCDGPGRGGTCQSSAWDHVFLGLFWMYNTISVVIFHFSWKMQSdVWGTVDrstgavnhiigntdvllggqtvalSQYAAS 670 Gloeobacter vio...
B0C474       575 PCDGPGRGGTCQSSGWDHIFLGLFWMYNCISIVNFHFFWKMQSdVWGAANanggv--------------nyltaGNWAQS 640 Acaryochloris m...
Q9L4N4       605 PCDGPGRGGTCQVSSWDHVFLGLFWMYNSLSVVIFHFSWKMQSdVWGlt------------------------gGNFAQS 660 Prochlorococcus...
Q8MFA3       572 PCDGPGRGGTCQVSAWDHVFLGLFWMYNAISVVIFHFSWKMQSdVWGSISdqgvv--------------thitgGNFAQS 637 Physcomitrium p...
Q2JQ89       577 PCDGPGRGGTCQVSGWDHVFLGLFWMYNCISIVIFHFSWKMQSdIWGTVNadgti--------------ehitgGNFAAS 642 Synechococcus s...
WP_015173233 562 PCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHWKHLG-VWQGNV------------------------AQFNES 616 Geitlerinema sp...
EFJ05046     557 PCDGPGRGGTRDISAWDAFHLAVFRMSNTIGRVTSYWHWKHIT-LRQGNV------------------------AQSDES 611
A0T0M9       557 PCDGPGRGGTCDISAWDAFYLAMFWMLNTIGWVTFYWHWKHMT-IWGGNP------------------------GQFDES 611 Thalassiosira p...
WP_015126596 676 SITNNGWLRDFLWAQSTQVITSYN-----SALSGYGLMFLAGHFVFGFSLMFLFSGRGYWQELIESIVWAHNKLKIAPAI 750 Calothrix sp. P...
Q7NFT5       595 STYLMGWLRDYLWANSAPLIGGYSpsggtNALSVWAWMFLFGHLVWATGFMFLIAWRGYWQELIETLVWAHERTPLANLV 674 Gloeobacter vio...
Q7NFT6       671 SININGWLRDFLWAQSSAVINSYG-----GPLSAYGLMFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAI 745 Gloeobacter vio...
B0C474       641 SITINGWLRDFLWAQSVQVINSYG-----SALSAYGILFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHSKLKIAPAI 715 Acaryochloris m...
Q9L4N4       661 SITINGWLRDFLWAQSSQVLTSYG-----QPISMYGLMFLGAHFVWAFSLMFLFSGRGYWQELFESIIWAHNKLKVAPTI 735 Prochlorococcus...
Q8MFA3       638 SITINGWLRDFLWAQASQVIQSYG-----SSLSAYGLLFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAI 712 Physcomitrium p...
Q2JQ89       643 AININGWLRDFLWAQSVQVINSYG-----SALSAYGLLFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAI 717 Synechococcus s...
WP_015173233 617 STYLMGWLRDYLWLNSSQLINGYNpy-gmNNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPLANLV 695 Geitlerinema sp...
EFJ05046     612 STYLTGRSRDYLWSNSSQPINGYNpf-gtNSLSVWAWMFSFGHLVWATGFMFLISWRGYWQELIETLARAHERTPLANLV 690
A0T0M9       612 SNYIMGWLRDYLWLNSSPLINGYNpf-gmNNLSVWSWMFLFGHLIWATGFMFLISWRGYWQELIETLVWAHERTPLANLI 690 Thalassiosira p...
WP_015126596 751 ----QPRALSITHGRAVGVAHYLLGGIVTTWAFFLA 782 Calothrix sp. PCC 7507
Q7NFT5       675 rwkdKPVAMSIVQGRLVGLAHFTIGYILTYAAFLIA 710 Gloeobacter violaceus PCC 7421
Q7NFT6       746 ----QPRALSITQGRAVGVAHYLLGGIATTWAFFLA 777 Gloeobacter violaceus PCC 7421
B0C474       716 ----QPRAMSITQGRAVGLGHYLLGGIVTSWSFYLA 747 Acaryochloris marina MBIC11017
Q9L4N4       736 ----QPRALSITQGRAVGVAHFLLGGIATTWAFFHA 767 Prochlorococcus marinus subsp. marinus str. CCMP1375
Q8MFA3       713 ----QPRALSIVQGRAVGVAHYLLGGIATTWAFFLA 744 Physcomitrium patens
Q2JQ89       718 ----QPRALSIIQGRAVGVAHYLLGGIVTTWAFFLA 749 Synechococcus sp. JA-2-3B'a(2-13)
WP_015173233 696 rwkdKPVAMSIVQGRLVGLAHFTVGYILTYAAFLIA 731 Geitlerinema sp. PCC 7407
EFJ05046     691 rwgdKPVALSIVQARLVGLAHSPVGYIFTYAALLIp 726
A0T0M9       691 rwrdKPVALSIVQARLVGLVHFSVGYILTYAAFVIA 726 Thalassiosira pseudonana
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