diff --git a/data/nontn7/fncas12a.fasta b/data/nontn7/fncas12a.fasta
new file mode 100644
index 00000000..26df1df6
--- /dev/null
+++ b/data/nontn7/fncas12a.fasta
@@ -0,0 +1,23 @@
+>sp|A0Q7Q2|CS12A_FRATN CRISPR-associated endonuclease Cas12a OS=Francisella tularensis subsp. novicida (strain U112) OX=401614 GN=cas12a PE=1 SV=1
+MSIYQEFVNKYSLSKTLRFELIPQGKTLENIKARGLILDDEKRAKDYKKAKQIIDKYHQF
+FIEEILSSVCISEDLLQNYSDVYFKLKKSDDDNLQKDFKSAKDTIKKQISEYIKDSEKFK
+NLFNQNLIDAKKGQESDLILWLKQSKDNGIELFKANSDITDIDEALEIIKSFKGWTTYFK
+GFHENRKNVYSSNDIPTSIIYRIVDDNLPKFLENKAKYESLKDKAPEAINYEQIKKDLAE
+ELTFDIDYKTSEVNQRVFSLDEVFEIANFNNYLNQSGITKFNTIIGGKFVNGENTKRKGI
+NEYINLYSQQINDKTLKKYKMSVLFKQILSDTESKSFVIDKLEDDSDVVTTMQSFYEQIA
+AFKTVEEKSIKETLSLLFDDLKAQKLDLSKIYFKNDKSLTDLSQQVFDDYSVIGTAVLEY
+ITQQIAPKNLDNPSKKEQELIAKKTEKAKYLSLETIKLALEEFNKHRDIDKQCRFEEILA
+NFAAIPMIFDEIAQNKDNLAQISIKYQNQGKKDLLQASAEDDVKAIKDLLDQTNNLLHKL
+KIFHISQSEDKANILDKDEHFYLVFEECYFELANIVPLYNKIRNYITQKPYSDEKFKLNF
+ENSTLANGWDKNKEPDNTAILFIKDDKYYLGVMNKKNNKIFDDKAIKENKGEGYKKIVYK
+LLPGANKMLPKVFFSAKSIKFYNPSEDILRIRNHSTHTKNGSPQKGYEKFEFNIEDCRKF
+IDFYKQSISKHPEWKDFGFRFSDTQRYNSIDEFYREVENQGYKLTFENISESYIDSVVNQ
+GKLYLFQIYNKDFSAYSKGRPNLHTLYWKALFDERNLQDVVYKLNGEAELFYRKQSIPKK
+ITHPAKEAIANKNKDNPKKESVFEYDLIKDKRFTEDKFFFHCPITINFKSSGANKFNDEI
+NLLLKEKANDVHILSIDRGERHLAYYTLVDGKGNIIKQDTFNIIGNDRMKTNYHDKLAAI
+EKDRDSARKDWKKINNIKEMKEGYLSQVVHEIAKLVIEYNAIVVFEDLNFGFKRGRFKVE
+KQVYQKLEKMLIEKLNYLVFKDNEFDKTGGVLRAYQLTAPFETFKKMGKQTGIIYYVPAG
+FTSKICPVTGFVNQLYPKYESVSKSQEFFSKFDKICYNLDKGYFEFSFDYKNFGDKAAKG
+KWTIASFGSRLINFRNSDKNHNWDTREVYPTKELEKLLKDYSIEYGHGECIKAAICGESD
+KKFFAKLTSVLNTILQMRNSKTGTELDYLISPVADVNGNFFDSRQAPKNMPQDADANGAY
+HIGLKGLMLLGRIKNNQEGKKLNLVIKNEEYFEFVQNRNN
diff --git a/data/nontn7/lbcas12a.fasta b/data/nontn7/lbcas12a.fasta
new file mode 100644
index 00000000..2fb9ea28
--- /dev/null
+++ b/data/nontn7/lbcas12a.fasta
@@ -0,0 +1,22 @@
+>tr|A0A5S8WF58|A0A5S8WF58_9FIRM LbCas12a OS=Lachnospiraceae bacterium OX=1898203 PE=1 SV=1
+MSKLEKFTNCYSLSKTLRFKAIPVGKTQENIDNKRLLVEDEKRAEDYKGVKKLLDRYYLS
+FINDVLHSIKLKNLNNYISLFRKKTRTEKENKELENLEINLRKEIAKAFKGNEGYKSLFK
+KDIIETILPEFLDDKDEIALVNSFNGFTTAFTGFFDNRENMFSEEAKSTSIAFRCINENL
+TRYISNMDIFEKVDAIFDKHEVQEIKEKILNSDYDVEDFFEGEFFNFVLTQEGIDVYNAI
+IGGFVTESGEKIKGLNEYINLYNQKTKQKLPKFKPLYKQVLSDRESLSFYGEGYTSDEEV
+LEVFRNTLNKNSEIFSSIKKLEKLFKNFDEYSSAGIFVKNGPAISTISKDIFGEWNVIRD
+KWNAEYDDIHLKKKAVVTEKYEDDRRKSFKKIGSFSLEQLQEYADADLSVVEKLKEIIIQ
+KVDEIYKVYGSSEKLFDADFVLEKSLKKNDAVVAIMKDLLDSVKSFENYIKAFFGEGKET
+NRDESFYGDFVLAYDILLKVDHIYDAIRNYVTQKPYSKDKFKLYFQNPQFMGGWDKDKET
+DYRATILRYGSKYYLAIMDKKYAKCLQKIDKDDVNGNYEKINYKLLPGPNKMLPKVFFSK
+KWMAYYNPSEDIQKIYKNGTFKKGDMFNLNDCHKLIDFFKDSISRYPKWSNAYDFNFSET
+EKYKDIAGFYREVEEQGYKVSFESASKKEVDKLVEEGKLYMFQIYNKDFSDKSHGTPNLH
+TMYFKLLFDENNHGQIRLSGGAELFMRRASLKKEELVVHPANSPIANKNPDNPKKTTTLS
+YDVYKDKRFSEDQYELHIPIAINKCPKNIFKINTEVRVLLKHDDNPYVIGIDRGERNLLY
+IVVVDGKGNIVEQYSLNEIINNFNGIRIKTDYHSLLDKKEKERFEARQNWTSIENIKELK
+AGYISQVVHKICELVEKYDAVIALEDLNSGFKNSRVKVEKQVYQKFEKMLIDKLNYMVDK
+KSNPCATGGALKGYQITNKFESFKSMSTQNGFIFYIPAWLTSKIDPSTGFVNLLKTKYTS
+IADSKKFISSFDRIMYVPEEDLFEFALDYKNFSRTDADYIKKWKLYSYGNRIRIFRNPKK
+NNVFDWEEVCLTSAYKELFNKYGINYQQGDIRALLCEQSDKAFYSSFMALMSLMLQMRNS
+ITGRTDVDFLISPVKNSDGIFYDSRNYEAQENAILPKNADANGAYNIARKVLWAIGQFKK
+AEDEKLDKVKIAISNKEWLEYAQTSVKH
diff --git a/data/nontn7/more-cas12a.fasta b/data/nontn7/more-cas12a.fasta
new file mode 100644
index 00000000..6e86638c
--- /dev/null
+++ b/data/nontn7/more-cas12a.fasta
@@ -0,0 +1,116 @@
+>WP_068647445.1 type V CRISPR-associated protein Cas12a/Cpf1 [Thiomicrospira sp. XS5]
+MTKTFDSEFFNLYSLQKTVRFELKPVGETASFVEDFKNEGLKRVVSEDERRAVDYQKVKEIIDDYHRDFI
+EESLNYFPEQVSKDALEQAFHLYQKLKAAKVEEREKALKEWEALQKKLREKVVKCFSDSNKARFSRIDKK
+ELIKEDLINWLVAQNREDDIPTVETFNNFTTYFTGFHENRKNIYSKDDHATAISFRLIHENLPKFFDNVI
+SFNKLKEGFPELKFDKVKEDLEVDYDLKHAFEIEYFVNFVTQAGIDQYNYLLGGKTLEDGTKKQGMNEQI
+NLFKQQQTRDKARQIPKLIPLFKQILSERTESQSFIPKQFESDQELFDSLQKLHNNCQDKFTVLQQAILG
+LAEADLKKVFIKTSDLNALSNTIFGNYSVFSDALNLYKESLKTKKAQEAFEKLPAHSIHDLIQYLEQFNS
+SLDAEKQQSTDTVLNYFIKTDELYSRFIKSTSEAFTQVQPLFELEALSSKRRPPESEDEGAKGQEGFEQI
+KRIKAYLDTLMEAVHFAKPLYLVKGRKMIEGLDKDQSFYEAFEMAYQELESLIIPIYNKARSYLSRKPFK
+ADKFKINFDNNTLLSGWDANKETANASILFKKDGLYYLGIMPKGKTFLFDYFVSSEDSEKLKQRRQKTAE
+EALAQDGESYFEKIRYKLLPGASKMLPKVFFSNKNIGFYNPSDDILRIRNTASHTKNGTPQKGHSKVEFN
+LNDCHKMIDFFKSSIQKHPEWGSFGFTFSDTSDFEDMSAFYREVENQGYVISFDKIKETYIQSQVEQGNL
+YLFQIYNKDFSPYSKGKPNLHTLYWKALFEEANLNNVVAKLNGEAEIFFRRHSIKASDKVVHPANQAIDN
+KNPHTEKTQSTFEYDLVKDKRYTQDKFFFHVPISLNFKAQGVSKFNDKVNGFLKGNPDVNIIGIDRGERH
+LLYFTVVNQKGEILVQESLNTLMSDKGHVNDYQQKLDKKEQERDAARKSWTTVENIKELKEGYLSHVVHK
+LAHLIIKYNAIVCLEDLNFGFKRGRFKVEKQVYQKFEKALIDKLNYLVFKEKELGEVGHYLTAYQLTAPF
+ESFKKLGKQSGILFYVPADYTSKIDPTTGFVNFLDLRYQSVEKAKQLLSDFNAIRFNSVQNYFEFEIDYK
+KLTPKRKVGTQSKWVICTYGDVRYQNRRNQKGHWETEEVNVTEKLKALFASDSKTTTVIDYANDDNLIDV
+ILEQDKASFFKELLWLLKLTMTLRHSKIKSEDDFILSPVKNEQGEFYDSRKAGEVWPKDADANGAYHIAL
+KGLWNLQQINQWEKGKTLNLAIKNQDWFSFIQEKPYQE
+>WP_039871282.1 type V CRISPR-associated protein Cas12a/Cpf1 [Prevotella bryantii]
+MKFTDFTGLYSLSKTLRFELKPIGKTLENIKKAGLLEQDQHRADSYKKVKKIIDEYHKAFIEKSLSNFEL
+KYQSEDKLDSLEEYLMYYSMKRIEKTEKDKFAKIQDNLRKQIADHLKGDESYKTIFSKDLIRKNLPDFVK
+SDEERTLIKEFKDFTTYFKGFYENRENMYSAEDKSTAISHRIIHENLPKFVDNINAFSKIILIPELREKL
+NQIYQDFEEYLNVESIDEIFHLDYFSMVMTQKQIEVYNAIIGGKSTNDKKIQGLNEYINLYNQKHKDCKL
+PKLKLLFKQILSDRIAISWLPDNFKDDQEALDSIDTCYKNLLNDGNVLGEGNLKLLLENIDTYNLKGIFI
+RNDLQLTDISQKMYASWNVIQDAVILDLKKQVSRKKKESAEDYNDRLKKLYTSQESFSIQYLNDCLRAYG
+KTENIQDYFAKLGAVNNEHEQTINLFAQVRNAYTSVQAILTTPYPENANLAQDKETVALIKNLLDSLKRL
+QRFIKPLLGKGDESDKDERFYGDFTPLWETLNQITPLYNMVRNYMTRKPYSQEKIKLNFENSTLLGGWDL
+NKEHDNTAIILRKNGLYYLAIMKKSANKIFDKDKLDNSGDCYEKMVYKLLPGANKMLPKVFFSKSRIDEF
+KPSENIIENYKKGTHKKGANFNLADCHNLIDFFKSSISKHEDWSKFNFHFSDTSSYEDLSDFYREVEQQG
+YSISFCDVSVEYINKMVEKGDLYLFQIYNKDFSEFSKGTPNMHTLYWNSLFSKENLNNIIYKLNGQAEIF
+FRKKSLNYKRPTHPAHQAIKNKNKCNEKKESIFDYDLVKDKRYTVDKFQFHVPITMNFKSTGNTNINQQV
+IDYLRTEDDTHIIGIDRGERHLLYLVVIDSHGKIVEQFTLNEIVNEYGGNIYRTNYHDLLDTREQNREKA
+RESWQTIENIKELKEGYISQVIHKITDLMQKYHAVVVLEDLNMGFMRGRQKVEKQVYQKFEEMLINKLNY
+LVNKKADQNSAGGLLHAYQLTSKFESFQKLGKQSGFLFYIPAWNTSKIDPVTGFVNLFDTRYESIDKAKA
+FFGKFDSIRYNADKDWFEFAFDYNNFTTKAEGTRTNWTICTYGSRIRTFRNQAKNSQWDNEEIDLTKAYK
+AFFAKHGINIYDNIKEAIAMETEKSFFEDLLHLLKLTLQMRNSITGTTTDYLISPVHDSKGNFYDSRICD
+NSLPANADANGAYNIARKGLMLIQQIKDSTSSNRFKFSPITNKDWLIFAQEKPYLND
+>WP_115247861.1 type V CRISPR-associated protein Cas12a/Cpf1 [Moraxella lacunata]
+MLFQDFTHLYPLSKTVRFELKPIGKTLEHIHAKNFLSQDETMADMYQKVKAILDDYHRDFITKMMSEVTL
+TKLPEFYEVYLALRKNPKDDTLQKQLTEIQTALREEVVKPIDSGGKYKAGYERLFGAKLFKDGKELGDLA
+KFVIAQEGESSPKLPQIAHFEKFSTYFTGFHDNRKNMYSSDDKHTAIAYRLIHENLPRFIDNLQILVTIK
+QKHSVLYDQIVNELNANGLDVSLASHLDGYHKLLTQEGITAYNRIIGEVNSYTNKHNQICHKSERIAKLR
+PLHKQILSDGMGVSFLPSKFADDSEMCQAVNEFYRHYAHVFAKVQSLFDRFDDYQKDGIYVEHKNLNELS
+KQAFGDFALLGRVLDGYYVDVVNPEFNDKFAKAKTDNAKEKLTKEKDKFIKGVHSLASLEQAIEHYIAGH
+DDESVQAGKLGQYFKHGLAGVDNPIQKIHNSHSTIKGFLERERPAGERTLPKIKSDKSLEMTQLRQLKEL
+LDNALNVVHFAKLLTTKTTLDNQDGNFYGEFGALYDELAKIATLYNKVRDYLSQKPFSTEKYKLNFGNPT
+LLNGWDLNKEKDNFGVILQKDGCYYLALLDKAHKKVFDNAPNTGKSVYQKMVYKLLPGPNKMLPKVFFAK
+SNLDYYNPSAELLDKYAQGTHKKGDNFNLKDCHALIDFFKASINKHPEWQHFGFEFSLTSSYQDLSDFYR
+EVEPQGYQVKFVDIDADYIDELVEQGQLYLFQIYNKDFSPKAHGKPNLHTLYFKALFSEDNLANPIYKLN
+GEAEIFYRKASLDMNETTIHRAGEVLENKNPDNPKERQFVYDIIKDKRYTQDKFMLHVPITMNFGVQGMT
+IKEFNKKVNQSIQQYDEVNVIGIDRGERHLLYLTVINSKGEILEQRSLNDIITTSANGTQMTTPYHKILD
+KREIERLNARVGWGEIETIKELKSGYLSHVVHQISQLMLKYNAIVVLEDLNFGFKRGRFKVEKQIYQNFE
+NALIKKLNHLVLKDKADNEIGSYKNALQLTNNFTDLKSIGKQTGFLFYVPAWNTSKIDPVTGFVDLLKPR
+YENIAQSQAFFDKFDKICYNADKGYFEFHIDYAKFTDKAKNSRQIWTICSHGDKRYVYDKTANQNKGATI
+GINVNDELKSLFARYRINDKQPNLVMDICQNNDKEFHKSLTYLLKALLALRYSNASSDEDFILSPVANDK
+GVFFNSALADDTQPQNADANGAYHIALKGLWLLNELKNSDDLDKVKLAIDNQTWLNFAQNR
+>WP_035798880.1 type V CRISPR-associated protein Cas12a/Cpf1 [Butyrivibrio sp. NC3005]
+MYYQNLTKKYPVSKTIRNELIPIGKTLENIRKNNILESDVKRKQDYEHVKGIMDEYHKQLINEALDNYML
+PSLNQAAEIYLKKHVDVEDREEFKKTQDLLRREVTGRLKEHENYTKIGKKDILDLLEKLPSISEEDYNAL
+ESFRNFYTYFTSYNKVRENLYSDEEKSSTVAYRLINENLPKFLDNIKSYAFVKAAGVLADCIEEEEQDAL
+FMVETFNMTLTQEGIDMYNYQIGKVNSAINLYNQKNHKVEEFKKIPKMKVLYKQILSDREEVFIGEFKDD
+ETLLSSIGAYGNVLMTYLKSEKINIFFDALRESEGKNVYVKNDLSKTTMSNIVFGSWSAFDELLNQEYDL
+ANENKKKDDKYFEKRQKELKKNKSYTLEQMSNLSKEDISPIENYIERISEDIEKICIYNGEFEKIVVNEH
+DSSRKLSKNIKAVKVIKDYLDSIKELEHDIKLINGSGQELEKNLVVYVGQEEALEQLRPVDSLYNLTRNY
+LTKKPFSTEKVKLNFNKSTLLNGWDKNKETDNLGILFFKDGKYYLGIMNTTANKAFVNPPAAKTENVFKK
+VDYKLLPGSNKMLPKVFFAKSNIGYYNPSTELYSNYKKGTHKKGPSFSIDDCHNLIDFFKESIKKHEDWS
+KFGFEFSDTADYRDISEFYREVEKQGYKLTFTDIDESYINDLIEKNELYLFQIYNKDFSEYSKGKLNLHT
+LYFMMLFDQRNLDNVVYKLNGEAEVFYRPASIAENELVIHKAGEGIKNKNPNRAKVKETSTFSYDIVKDK
+RYSKYKFTLHIPITMNFGVDEVRRFNDVINNALRTDDNVNVIGIDRGERNLLYVVVINSEGKILEQISLN
+SIINKEYDIETNYHALLDEREDDRNKARKDWNTIENIKELKTGYLSQVVNVVAKLVLKYNAIICLEDLNF
+GFKRGRQKVEKQVYQKFEKMLIEKLNYLVIDKSREQVSPEKMGGALNALQLTSKFKSFAELGKQSGIIYY
+VPAYLTSKIDPTTGFVNLFYIKYENIEKAKQFFDGFDFIRFNKKDDMFEFSFDYKSFTQKACGIRSKWIV
+YTNGERIIKYPNPEKNNLFDEKVINVTDEIKGLFKQYRIPYENGEDIKEIIISKAEADFYKRLFRLLHQT
+LQMRNSTSDGTRDYIISPVKNDRGEFFCSEFSEGTMPKDADANGAYNIARKGLWVLEQIRQKDEGEKVNL
+SMTNAEWLKYAQLHLL
+>WP_027216152.1 type V CRISPR-associated protein Cas12a/Cpf1 [Butyrivibrio fibrisolvens]
+MYYESLTKLYPIKKTIRNELVPIGKTLENIKKNNILEADEDRKIAYIRVKAIMDDYHKRLINEALSGFAL
+IDLDKAANLYLSRSKSADDIESFSRFQDKLRKAIAKRLREHENFGKIGNKDIIPLLQKLSENEDDYNALE
+SFKNFYTYFESYNDVRLNLYSDKEKSSTVAYRLINENLPRFLDNIRAYDAVQKAGITSEELSSEAQDGLF
+LVNTFNNVLIQDGINTYNEDIGKLNVAINLYNQKNASVQGFRKVPKMKVLYKQILSDREESFIDEFESDT
+ELLDSLESHYANLAKYFGSNKVQLLFTALRESKGVNVYVKNDIAKTSFSNVVFGSWSRIDELINGEYDDN
+NNRKKDEKYYDKRQKELKKNKSYTIEKIITLSTEDVDVIGKYIEKLESDIDDIRFKGKNFYEAVLCGHDR
+SKKLSKNKGAVEAIKGYLDSVKDFERDLKLINGSGQELEKNLVVYGEQEAVLSELSGIDSLYNMTRNYLT
+KKPFSTEKIKLNFNKPTFLDGWDYGNEEAYLGFFMIKEGNYFLAVMDANWNKEFRNIPSVDKSDCYKKVI
+YKQISSPEKSIQNLMVIDGKTVKKNGRKEKEGIHSGENLILEELKNTYLPKKINDIRKRRSYLNGDTFSK
+KDLTEFIGYYKQRVIEYYNGYSFYFKSDDDYASFKEFQEDVGRQAYQISYVDVPVSFVDDLINSGKLYLF
+RVYNKDFSEYSKGRLNLHTLYFKMLFDERNLKNVVYKLNGQAEVFYRPSSIKKEELIVHRAGEEIKNKNP
+KRAAQKPTRRLDYDIVKDRRYSQDKFMLHTSIIMNFGAEENVSFNDIVNGVLRNEDKVNVIGIDRGERNL
+LYVVVIDPEGKILEQRSLNCITDSNLDIETDYHRLLDEKESDRKIARRDWTTIENIKELKAGYLSQVVHI
+VAELVLKYNAIICLEDLNFGFKRGRQKVEKQVYQKFEKMLIDKLNYLVMDKSREQLSPEKISGALNALQL
+TPDFKSFKVLGKQTGIIYYVPAYLTSKIDPMTGFANLFYVKYENVDKAKEFFSKFDSIKYNKDGKNWNTK
+GYFEFAFDYKKFTDRAYGRVSEWTVCTVGERIIKFKNKEKNNSYDDKVIDLTNSLKELFDSYKVTYESEV
+DLKDAILAIDDPAFYRDLTRRLQQTLQMRNSSCDGSRDYIISPVKNSKGEFFCSDNNDDTTPNDADANGA
+FNIARKGLWVLNEIRNSEEGSKINLAMSNAQWLEYAQDNTI
+>EFI15981.1 conserved hypothetical protein [Bacteroidetes oral taxon 274 str. F0058]
+MRKFNEFVGLYPISKTLRFELKPIGKTLEHIQRNKLLEHDAVRADDYVKVKKIIDKYHKCLIDEALSGFT
+FDTEADGRSNNSLSEYYLYYNLKKRNEQEQKTFKTIQNNLRKQIVNKLTQSEKYKRIDKKELITTDLPDF
+LTNESEKELVEKFKNFTTYFTEFHKNRKNMYSKEEKSTAIAFRLINENLPKFVDNIAAFEKVVSSPLAEK
+INALYEDFKEYLNVEEISRVFRLDYYDELLTQKQIDLYNAIVGGRTEEDNKIQIKGLNQYINEYNQQQTD
+RSNRLPKLKPLYKQILSDRESVSWLPPKFDSDKNLLIKIKECYDALSEKEKVFDKLESILKSLSTYDLSK
+IYISNDSQLSYISQKMFGRWDIISKAIREDCAKRNPQKSRESLEKFAERIDKKLKTIDSISIGDVDECLA
+QLGETYVKRVEDYFVAMGESEIDDEQTDTTSFKKNIEGAYESVKELLNNADNITDNNLMQDKGNVEKIKT
+LLDAIKDLQRFIKPLLGKGDEADKDGVFYGEFTSLWTKLDQVTPLYNMVRNYLTSKPYSTKKIKLNFENS
+TLMDGWDLNKEPDNTTVIFCKDGLYYLGIMGKKYNRVFVDREDLPHDGECYDKMEYKLLPGANKMLPKVF
+FSETGIQRFLPSEELLGKYERGTHKKGAGFDLGDCRALIDFFKKSIERHDDWKKFDFKFSDTSTYQDISE
+FYREVEQQGYKMSFRKVSVDYIKSLVEEGKLYLFQIYNKDFSAHSKGTPNMHTLYWKMLFDEENLKDVVY
+KLNGEAEVFFRKSSITVQSPTHPANSPIKNKNKDNQKKESKFEYDLIKDRRYTVDKFLFHVPITMNFKSV
+GGSNINQLVKRHIRSATDLHIIGIDRGERHLLYLTVIDSRGNIKEQFSLNEIVNEYNGNTYRTDYHELLD
+TREGERTEARRNWQTIQNIRELKEGYLSQVIHKISELAIKYNAVIVLEDLNFGFMRSRQKVEKQVYQKFE
+KMLIDKLNYLVDKKKPVAETGGLLRAYQLTGEFESFKTLGKQSGILFYVPAWNTSKIDPVTGFVNLFDTH
+YENIEKAKVFFDKFKSIRYNSDKDWFEFVVDDYTRFSPKAEGTRRDWTICTQGKRIQICRNHQRNNEWEG
+QEIDLTKAFKEHFEAYGVDISKDLREQINTQNKKEFFEELLRLLRLTLQMRNSMPSSDIDYLISPVANDT
+GCFFDSRKQAELKENAVLPMNADANGAYNIARKGLLAIRKMKQEENDSAKISLAISNKEWLKFAQTKPYL
+ED
diff --git a/src/nontn7/README.md b/src/nontn7/README.md
index d10dd701..ef2ecffc 100644
--- a/src/nontn7/README.md
+++ b/src/nontn7/README.md
@@ -12,6 +12,7 @@ A pipeline for discovering non-Tn7 CASTs.
   - `NCBI Blast 2.10+` [https://blast.ncbi.nlm.nih.gov/Blast.cgi?PAGE_TYPE=BlastDocs&DOC_TYPE=Download](https://blast.ncbi.nlm.nih.gov/Blast.cgi?PAGE_TYPE=BlastDocs&DOC_TYPE=Download)  
   - `ripgrep` [https://github.com/BurntSushi/ripgrep](https://github.com/BurntSushi/ripgrep)  
   - `fd` [https://github.com/sharkdp/fd](https://github.com/sharkdp/fd)  
+  - `seqkit 0.14.0` [https://bioinf.shenwei.me/seqkit/](https://bioinf.shenwei.me/seqkit/)
 
 ### Data Dependencies
 
diff --git a/src/nontn7/main.sh b/src/nontn7/main.sh
index b218d884..b13da7d1 100755
--- a/src/nontn7/main.sh
+++ b/src/nontn7/main.sh
@@ -411,3 +411,13 @@ for cluster in 24 50 122 154 do;
 done | python simple-reblast.py $BLASTN_DB $BLASTP_DB $ARRAYS_OPTIONAL_DIRECTORY/all/cas12.fully-analyzed/reblast
 
 cat $ARRAYS_OPTIONAL_DIRECTORY/all/cas12.fully-analyzed/reblast/*csv | python minced.py | python find-cas12-sts.py > $OUTPUT/cas12-rpn-candidates.csv
+
+# Assemble canonical nuclease-active Cas12a proteins to align them with the Rpn-associated ones
+if [[ ! -e $OUTPUT/cas12.afa ]]; then
+    cat $DATA/cas12.fasta $DATA/lbcas12a.fasta $DATA/fncas12a.fasta $DATA/more-cas12a.fasta > $OUTPUT/cas12.fasta
+
+    # Add the Rpn-associated Cas12 proteins
+    # We eliminate the "ORPV" operon since it's a really tiny contig and not an Rpn-associated system
+    python make_effector_fasta.py Cpf1 < $OUTPUT/cas12-rpn-candidates.csv | seqkit rmdup -s | rg -v ORPV >> $OUTPUT/cas12.fasta
+    mafft --localpair --maxiterate 10000 $OUTPUT/cas12.fasta > $OUTPUT/cas12.afa
+fi
diff --git a/src/nontn7/make_effector_fasta.py b/src/nontn7/make_effector_fasta.py
index cfa42d6e..c879586c 100644
--- a/src/nontn7/make_effector_fasta.py
+++ b/src/nontn7/make_effector_fasta.py
@@ -10,7 +10,7 @@
 
 
 def get_lowest_evalue_protein(operon: genes.Operon, protein_name: str) -> Optional[genes.Feature]:
-    proteins = sorted([feature for feature in operon.get(protein_name)], key=lambda x: x.e_val)
+    proteins = sorted([feature for feature in operon.get(protein_name, regex=True)], key=lambda x: x.e_val)
     if proteins:
         return proteins[0]
     return None