LOCUS       sequence-202249-        7306 bp    DNA     linear   UNA 15-DEC-2025
DEFINITION  Xylanase design 4.2.
ACCESSION   .
VERSION     .
KEYWORDS    .
SOURCE      natural DNA sequence
  ORGANISM  unspecified
REFERENCE   1  (bases 1 to 7306)
  AUTHORS   Lapidoth G, Khersonsky O, Lipsh R, Dym O, Albeck S, Rogotner S, 
            Fleishman SJ
  TITLE     Highly active enzymes by automated combinatorial backbone assembly 
            and sequence design.
  JOURNAL   Nat Commun. 2018 Jul 17;9(1):2780. doi: 10.1038/s41467-018-05205-5.
  PUBMED    30018322
REFERENCE   2  (bases 1 to 7306)
  AUTHORS   .
  TITLE     Direct Submission
  JOURNAL   Exported Dec 15, 2025 from SnapGene Server 8.0.1
            https://www.snapgene.com
COMMENT     SGRef: number: 1; type: "Journal Article"; journalName: "Nat 
            Commun."; date: "2018-07-17"; volume: "9(1):2780. doi"; pages: " 
            10.1038/s41467-018-05205-5"
COMMENT     Sequence Label: xyl4.2
FEATURES             Location/Qualifiers
     source          1..7306
                     /mol_type="genomic DNA"
                     /organism="unspecified"
     rep_origin      12..467
                     /direction=RIGHT
                     /label=f1 ori
                     /note="f1 bacteriophage origin of replication; arrow 
                     indicates direction of (+) strand synthesis"
     primer_bind     complement(99..118)
                     /label=F1ori-R
                     /note="F1 origin, reverse primer"
     primer_bind     309..330
                     /label=F1ori-F
                     /note="F1 origin, forward primer"
     CDS             complement(560..1375)
                     /codon_start=1
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     CDS             complement(560..1375)
                     /codon_start=1
                     /gene="aph(3')-Ia"
                     /product="aminoglycoside phosphotransferase"
                     /label=KanR
                     /note="confers resistance to kanamycin in bacteria or G418 
                     (Geneticin(R)) in eukaryotes"
                     /translation="MSHIQRETSCSRPRLNSNMDADLYGYKWARDNVGQSGATIYRLYG
                     KPDAPELFLKHGKGSVANDVTDEMVRLNWLTEFMPLPTIKHFIRTPDDAWLLTTAIPGK
                     TAFQVLEEYPDSGENIVDALAVFLRRLHSIPVCNCPFNSDRVFRLAQAQSRMNNGLVDA
                     SDFDDERNGWPVEQVWKEMHKLLPFSPDSVVTHGDFSLDNLIFDEGKLIGCIDVGRVGI
                     ADRYQDLAILWNCLGEFSPSLQKRLFQKYGIDNPDMNKLQFHLMLDEFF"
     primer_bind     1283..1302
                     /label=Kan-R
                     /note="Kanamycin resistance gene, reverse primer"
     primer_bind     1367..1386
                     /label=pENTR-R
                     /note="pENTR vectors, reverse primer"
     rep_origin      1497..2085
                     /direction=RIGHT
                     /label=ori
                     /note="high-copy-number ColE1/pMB1/pBR322/pUC origin of 
                     replication"
     primer_bind     1986..2005
                     /label=pBR322ori-F
                     /note="pBR322 origin, forward primer"
     primer_bind     2239..2256
                     /label=L4440
                     /note="L4440 vector, forward primer"
     misc_feature    2271..2413
                     /label=bom
                     /note="basis of mobility region from pBR322"
     primer_bind     complement(2339..2358)
                     /label=pRS-marker
                     /note="pRS vectors, use to sequence yeast selectable 
                     marker"
     primer_bind     2499..2521
                     /label=pGEX 3'
                     /note="pGEX vectors, reverse primer"
     CDS             complement(2515..2706)
                     /codon_start=1
                     /gene="rop"
                     /product="Rop protein, which maintains plasmids at low copy
                     number"
                     /label=rop
                     /translation="MTKQEKTALNMARFIRSQTLTLLEKLNELDADEQADICESLHDHA
                     DELYRSCLARFGDDGENL"
     CDS             complement(3278..4360)
                     /codon_start=1
                     /gene="lacI"
                     /product="lac repressor"
                     /label=lacI
                     /note="The lac repressor binds to the lac operator to 
                     inhibit transcription in E. coli. This inhibition can be 
                     relieved by adding lactose or 
                     isopropyl-beta-D-thiogalactopyranoside (IPTG)."
                     /translation="MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAEL
                     NYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGV
                     EACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSH
                     EDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSA
                     MSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSC
                     YIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR
                     ALADSLMQLARQVSRLESGQ"
     primer_bind     4322..4341
                     /label=LacI-R
                     /note="LacI, reverse primer"
     promoter        complement(4361..4438)
                     /gene="lacI"
                     /label=lacI promoter
     primer_bind     4644..4663
                     /label=pBRrevBam
                     /note="pBR322 vectors, tet region, downstream of BamHI, 
                     reverse primer"
     primer_bind     4751..4770
                     /label=T7
                     /note="T7 promoter, forward primer"
     promoter        4751..4769
                     /label=T7 promoter
                     /note="promoter for bacteriophage T7 RNA polymerase"
     protein_bind    4770..4794
                     /label=lac operator
                     /bound_moiety="lac repressor encoded by lacI"
                     /note="The lac repressor binds to the lac operator to 
                     inhibit transcription in E. coli. This inhibition can be 
                     relieved by adding lactose or 
                     isopropyl-beta-D-thiogalactopyranoside (IPTG)."
     RBS             4809..4831
                     /note="efficient ribosome binding site from bacteriophage 
                     T7 gene 10 (Olins and Rangwala, 1989)"
     CDS             4851..4868
                     /codon_start=1
                     /product="6xHis affinity tag"
                     /label=6xHis
                     /translation="HHHHHH"
     CDS             4869..5966
                     /codon_start=1
                     /gene="malE (mutated)"
                     /product="maltose binding protein from E. coli"
                     /label=MBP
                     /note="This version of the gene does not encode a signal 
                     sequence, so MBP will remain in the cytosol."
                     /translation="KIEEGKLVIWINGDKGYNGLAEVGKKFEKDTGIKVTVEHPDKLEE
                     KFPQVAATGDGPDIIFWAHDRFGGYAQSGLLAEITPDKAFQDKLYPFTWDAVRYNGKLI
                     AYPIAVEALSLIYNKDLLPNPPKTWEEIPALDKELKAKGKSALMFNLQEPYFTWPLIAA
                     DGGYAFKYENGKYDIKDVGVDNAGAKAGLTFLVDLIKNKHMNADTDYSIAEAAFNKGET
                     AMTINGPWAWSNIDTSKVNYGVTVLPTFKGQPSKPFVGVLSAGINAASPNKELAKEFLE
                     NYLLTDEGLEAVNKDKPLGAVALKSYEEELAKDPRIAATMENAQKGEIMPNIPQMSAFW
                     YAVRTAVINAASGRQTVDEALKDAQT"
     regulatory      5823..5832
                     /label=Kozak sequence
                     /note="vertebrate consensus sequence for strong initiation 
                     of translation (Kozak, 1987)"
                     /regulatory_class="other"
     primer_bind     5940..5963
                     /label=MBP-F
                     /note="Maltose binding protein, forward primer"
     CDS             5991..6011
                     /codon_start=1
                     /product="tobacco etch virus (TEV) protease recognition and
                     cleavage site"
                     /label=TEV site
                     /translation="ENLYFQG"
     CDS             7134..7157
                     /codon_start=1
                     /product="8xHis affinity tag"
                     /label=8xHis
                     /translation="HHHHHHHH"
     primer_bind     complement(7220..7238)
                     /label=T7 Term
                     /note="T7 terminator, reverse primer"
     terminator      7234..7281
                     /label=T7 terminator
                     /note="transcription terminator for bacteriophage T7 RNA 
                     polymerase"
ORIGIN
        1 tggcgaatgg gacgcgccct gtagcggcgc attaagcgcg gcgggtgtgg tggttacgcg
       61 cagcgtgacc gctacacttg ccagcgccct agcgcccgct cctttcgctt tcttcccttc
      121 ctttctcgcc acgttcgccg gctttccccg tcaagctcta aatcgggggc tccctttagg
      181 gttccgattt agtgctttac ggcacctcga ccccaaaaaa cttgattagg gtgatggttc
      241 acgtagtggg ccatcgccct gatagacggt ttttcgccct ttgacgttgg agtccacgtt
      301 ctttaatagt ggactcttgt tccaaactgg aacaacactc aaccctatct cggtctattc
      361 ttttgattta taagggattt tgccgatttc ggcctattgg ttaaaaaatg agctgattta
      421 acaaaaattt aacgcgaatt ttaacaaaat attaacgttt acaatttcag gtggcacttt
      481 tcggggaaat gtgcgcggaa cccctatttg tttatttttc taaatacatt caaatatgta
      541 tccgctcatg aattaattct tagaaaaact catcgagcat caaatgaaac tgcaatttat
      601 tcatatcagg attatcaata ccatattttt gaaaaagccg tttctgtaat gaaggagaaa
      661 actcaccgag gcagttccat aggatggcaa gatcctggta tcggtctgcg attccgactc
      721 gtccaacatc aatacaacct attaatttcc cctcgtcaaa aataaggtta tcaagtgaga
      781 aatcaccatg agtgacgact gaatccggtg agaatggcaa aagtttatgc atttctttcc
      841 agacttgttc aacaggccag ccattacgct cgtcatcaaa atcactcgca tcaaccaaac
      901 cgttattcat tcgtgattgc gcctgagcga gacgaaatac gcgatcgctg ttaaaaggac
      961 aattacaaac aggaatcgaa tgcaaccggc gcaggaacac tgccagcgca tcaacaatat
     1021 tttcacctga atcaggatat tcttctaata cctggaatgc tgttttcccg gggatcgcag
     1081 tggtgagtaa ccatgcatca tcaggagtac ggataaaatg cttgatggtc ggaagaggca
     1141 taaattccgt cagccagttt agtctgacca tctcatctgt aacatcattg gcaacgctac
     1201 ctttgccatg tttcagaaac aactctggcg catcgggctt cccatacaat cgatagattg
     1261 tcgcacctga ttgcccgaca ttatcgcgag cccatttata cccatataaa tcagcatcca
     1321 tgttggaatt taatcgcggc ctagagcaag acgtttcccg ttgaatatgg ctcataacac
     1381 cccttgtatt actgtttatg taagcagaca gttttattgt tcatgaccaa aatcccttaa
     1441 cgtgagtttt cgttccactg agcgtcagac cccgtagaaa agatcaaagg atcttcttga
     1501 gatccttttt ttctgcgcgt aatctgctgc ttgcaaacaa aaaaaccacc gctaccagcg
     1561 gtggtttgtt tgccggatca agagctacca actctttttc cgaaggtaac tggcttcagc
     1621 agagcgcaga taccaaatac tgtccttcta gtgtagccgt agttaggcca ccacttcaag
     1681 aactctgtag caccgcctac atacctcgct ctgctaatcc tgttaccagt ggctgctgcc
     1741 agtggcgata agtcgtgtct taccgggttg gactcaagac gatagttacc ggataaggcg
     1801 cagcggtcgg gctgaacggg gggttcgtgc acacagccca gcttggagcg aacgacctac
     1861 accgaactga gatacctaca gcgtgagcta tgagaaagcg ccacgcttcc cgaagggaga
     1921 aaggcggaca ggtatccggt aagcggcagg gtcggaacag gagagcgcac gagggagctt
     1981 ccagggggaa acgcctggta tctttatagt cctgtcgggt ttcgccacct ctgacttgag
     2041 cgtcgatttt tgtgatgctc gtcagggggg cggagcctat ggaaaaacgc cagcaacgcg
     2101 gcctttttac ggttcctggc cttttgctgg ccttttgctc acatgttctt tcctgcgtta
     2161 tcccctgatt ctgtggataa ccgtattacc gcctttgagt gagctgatac cgctcgccgc
     2221 agccgaacga ccgagcgcag cgagtcagtg agcgaggaag cggaagagcg cctgatgcgg
     2281 tattttctcc ttacgcatct gtgcggtatt tcacaccgca tatatggtgc actctcagta
     2341 caatctgctc tgatgccgca tagttaagcc agtatacact ccgctatcgc tacgtgactg
     2401 ggtcatggct gcgccccgac acccgccaac acccgctgac gcgccctgac gggcttgtct
     2461 gctcccggca tccgcttaca gacaagctgt gaccgtctcc gggagctgca tgtgtcagag
     2521 gttttcaccg tcatcaccga aacgcgcgag gcagctgcgg taaagctcat cagcgtggtc
     2581 gtgaagcgat tcacagatgt ctgcctgttc atccgcgtcc agctcgttga gtttctccag
     2641 aagcgttaat gtctggcttc tgataaagcg ggccatgtta agggcggttt tttcctgttt
     2701 ggtcactgat gcctccgtgt aagggggatt tctgttcatg ggggtaatga taccgatgaa
     2761 acgagagagg atgctcacga tacgggttac tgatgatgaa catgcccggt tactggaacg
     2821 ttgtgagggt aaacaactgg cggtatggat gcggcgggac cagagaaaaa tcactcaggg
     2881 tcaatgccag cgcttcgtta atacagatgt aggtgttcca cagggtagcc agcagcatcc
     2941 tgcgatgcag atccggaaca taatggtgca gggcgctgac ttccgcgttt ccagacttta
     3001 cgaaacacgg aaaccgaaga ccattcatgt tgttgctcag gtcgcagacg ttttgcagca
     3061 gcagtcgctt cacgttcgct cgcgtatcgg tgattcattc tgctaaccag taaggcaacc
     3121 ccgccagcct agccgggtcc tcaacgacag gagcacgatc atgctagtca tgccccgcgc
     3181 ccaccggaag gagctgactg ggttgaaggc tctcaagggc atcggtcgag atcccggtgc
     3241 ctaatgagtg agctaactta cattaattgc gttgcgctca ctgcccgctt tccagtcggg
     3301 aaacctgtcg tgccagctgc attaatgaat cggccaacgc gcggggagag gcggtttgcg
     3361 tattgggcgc cagggtggtt tttcttttca ccagtgagac gggcaacagc tgattgccct
     3421 tcaccgcctg gccctgagag agttgcagca agcggtccac gctggtttgc cccagcaggc
     3481 gaaaatcctg tttgatggtg gttaacggcg ggatataaca tgagctgtct tcggtatcgt
     3541 cgtatcccac taccgagatg tccgcaccaa cgcgcagccc ggactcggta atggcgcgca
     3601 ttgcgcccag cgccatctga tcgttggcaa ccagcatcgc agtgggaacg atgccctcat
     3661 tcagcatttg catggtttgt tgaaaaccgg acatggcact ccagtcgcct tcccgttccg
     3721 ctatcggctg aatttgattg cgagtgagat atttatgcca gccagccaga cgcagacgcg
     3781 ccgagacaga acttaatggg cccgctaaca gcgcgatttg ctggtgaccc aatgcgacca
     3841 gatgctccac gcccagtcgc gtaccgtctt catgggagaa aataatactg ttgatgggtg
     3901 tctggtcaga gacatcaaga aataacgccg gaacattagt gcaggcagct tccacagcaa
     3961 tggcatcctg gtcatccagc ggatagttaa tgatcagccc actgacgcgt tgcgcgagaa
     4021 gattgtgcac cgccgcttta caggcttcga cgccgcttcg ttctaccatc gacaccacca
     4081 cgctggcacc cagttgatcg gcgcgagatt taatcgccgc gacaatttgc gacggcgcgt
     4141 gcagggccag actggaggtg gcaacgccaa tcagcaacga ctgtttgccc gccagttgtt
     4201 gtgccacgcg gttgggaatg taattcagct ccgccatcgc cgcttccact ttttcccgcg
     4261 ttttcgcaga aacgtggctg gcctggttca ccacgcggga aacggtctga taagagacac
     4321 cggcatactc tgcgacatcg tataacgtta ctggtttcac attcaccacc ctgaattgac
     4381 tctcttccgg gcgctatcat gccataccgc gaaaggtttt gcgccattcg atggtgtccg
     4441 ggatctcgac gctctccctt atgcgactcc tgcattagga agcagcccag tagtaggttg
     4501 aggccgttga gcaccgccgc cgcaaggaat ggtgcatgca aggagatggc gcccaacagt
     4561 cccccggcca cggggcctgc caccataccc acgccgaaac aagcgctcat gagcccgaag
     4621 tggcgagccc gatcttcccc atcggtgatg tcggcgatat aggcgccagc aaccgcacct
     4681 gtggcgccgg tgatgccggc cacgatgcgt ccggcgtaga ggatcgagat cgatctcgat
     4741 cccgcgaaat taatacgact cactataggg gaattgtgag cggataacaa ttcccctcta
     4801 gaaataattt tgtttaactt taagaaggag atatacatat gggcagcagc catcatcatc
     4861 atcatcacaa aatcgaagaa ggtaaactgg taatctggat taacggcgat aaaggctata
     4921 acggtctcgc tgaagtcggt aagaaattcg agaaagatac cggaattaaa gtcaccgttg
     4981 agcatccgga taaactggaa gagaaattcc cacaggttgc ggcaactggc gatggccctg
     5041 acattatctt ctgggcacac gaccgctttg gtggctacgc tcaatctggc ctgttggctg
     5101 aaatcacccc ggacaaagcg ttccaggaca agctgtatcc gtttacctgg gatgccgtac
     5161 gttacaacgg caagctgatt gcttacccga tcgctgttga agcgttatcg ctgatttata
     5221 acaaagatct gctgccgaac ccgccaaaaa cctgggaaga gatcccggcg ctggataaag
     5281 aactgaaagc gaaaggtaag agcgcgctga tgttcaacct gcaagaaccg tacttcacct
     5341 ggccgctgat tgctgctgac gggggttatg cgttcaagta tgaaaacggc aagtacgaca
     5401 ttaaagacgt gggcgtggat aacgctggcg cgaaagcggg tctgaccttc ctggttgacc
     5461 tgattaaaaa caaacacatg aatgcagaca ccgattactc catcgcagaa gctgccttta
     5521 ataaaggcga aacagcgatg accatcaacg gcccgtgggc atggtccaac atcgacacca
     5581 gcaaagtgaa ttatggtgta acggtactgc cgaccttcaa gggtcaacca tccaaaccgt
     5641 tcgttggcgt gctgagcgca ggtattaacg ccgccagtcc gaacaaagag ctggcaaaag
     5701 agttcctcga aaactatctg ctgactgatg aaggtctgga agcggttaat aaagacaaac
     5761 cgctgggtgc cgtagcgctg aagtcttacg aggaagagtt ggcgaaagat ccacgtattg
     5821 ccgccaccat ggaaaacgcc cagaaaggtg aaatcatgcc gaacatcccg cagatgtccg
     5881 ctttctggta tgccgtgcgt actgcggtga tcaacgccgc cagcggtcgt cagactgtcg
     5941 atgaagccct gaaagacgcg cagactacta gtggttctgg ttccgcgggt gaaaacctgt
     6001 acttccaggg taccattgga tccgaattcc agaccgacat cccggacctg tacgaagttt
     6061 tcaaagacta cttcccgatc ggtgcggcgg ttgaaccgcg tcagctgaac ggtccggaag
     6121 gtaaactgat caagaaacac ttcaactctc tgaccgcgga aaacgaaatg aaaccggaac
     6181 gtctggaacc gcgtgaaggt gttttcaact tcgaaaacgc ggaccgtatc gttgacttcg
     6241 cgcagaagaa caacatgaaa gttcgtggtc acaccctggt ttggcacaac cagaccccgg
     6301 actgggtttt caaagacgac aacggtcagc cggtttctaa agaagaactg ctggaacgta
     6361 tgcgtaacca catcaaaacc gttgttggtc gttacaaagg taaaatctac gcgtgggacg
     6421 ttgttaacga agcggttgcg gacgaaggta ccgaagttct gcgtccgtct aaatggcgtg
     6481 aaatcatcgg tgaagactac atcgaagaag cgttccgtta cgcgcacgaa gcggacccgg
     6541 acgcgaaact gttcatgaac gactacaaca tcgaaggtat caacgcgaaa tctgacgcgc
     6601 tgtacaacct ggttaaacgt ctgaaagaac gtggtgttcc ggttgacggt atcggtttcc
     6661 agatgcacat caacatcaac ggtgttgaca tggacaactt ccgtaaagcg atcgaacgtt
     6721 tcgcgtctct gggtctggaa gttgcgatca ccgaactgga cgtttctatg tacggttggc
     6781 cgccgcgtgc gtacccgacc tacgacgcga tcccggaaca gaaattcctg gaccaggcgg
     6841 aacgttacaa agaactgatg aacgcgttcc gtgaatacgc ggaccacatc acctctgtta
     6901 ccttctgggg tatcgcggac aaccacacct ggctggactc tcgtgcggac gtttactacg
     6961 actctaacgg taacgttgtt accgacccga acgcgccgta cgcgcgtgtt gagaaaggta
     7021 aaggtaaaga cgcgccgttc gttttcggtc cggactacaa cgttaaaccg gcgtactggg
     7081 cggttgttta actgcaggcg agctccgtcg acaagcttgc ggccgcactc gagcaccacc
     7141 accaccacca ccaccactaa ttgattaata cctaggctgc taaacaaagc ccgaaaggaa
     7201 gctgagttgg ctgctgccac cgctgagcaa taactagcat aaccccttgg ggcctctaaa
     7261 cgggtcttga ggggtttttt gctgaaagga ggaactatat ccggat
//
