Viruses: 33194291
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Entry
33194291 CDS
T40000
Symbol
CFB61_gp1
Name
(RefSeq) Karumba virus; polyprotein
KO
K24570
Flavivirus structral polyprotein
Virus
1969397
Karumba virus
Taxonomy
SSDB
Ortholog
Paralog
GFIT
VOG
VOG cluster
Motif
Pfam:
Flavi_NS5
Flavi_NS5_thumb
Flavi_DEAD
Flavi_NS1
FtsJ
Peptidase_S7
Flavi_glycoprot
DEAD
Flav_NS3-hel_C
Helicase_C
ResIII
RdRP_1
Cas3-like_C_2
Peptidase_S29
DUF8005
Motif
Other DBs
NCBI-GeneID:
33194291
NCBI-ProteinID:
YP_009388577
RS:
NC_035118
LinkDB
All DBs
Position
NC_035118:116..10144
AA seq
3342 aa
AA seq
DB search
MQVKKIKMRGGGGGKLGIKGIKTSSLRRALNMVSGDLNETLLKLVIAMIAIWNELLRNLR
SLGRRVRKETRQRTGNNKHVVACFIIGLMAALACAKTMNGIMDKGEHVWKADWNVDFTNV
KLPKDFCGSGIHVEKMCPQVDSLQDATIDCAGRHDQFLLSYTRCAAKNRVKRGEPGVVEP
KVTNIWTITFNDELNSIIERVSGMLKNNRLMATAVICLVGAFKKWPTWLVVLLVLLPWTV
VQASLADPFLILPKGDGLVKTRLYPGQISSISTHVGVLDISYMAVDIEEGRLVERLMSHC
EVNGTYSQDCCALGCNLDLSKLNERNRACQTATYNRGWATGCPVFGLGSVATCVEVACSD
SVEVSELTSQNIRIPLSLRLQHEELNVTMTTEAPVTSKFSHHGVVSISCQIGNPGFLAQQ
YVLSNGKHKAMFPISAVSGWPGIREIGGQYRNVDGSVKWGHVEANEIKVAAVYSDSIQWK
TGIPIKTGIRDPLYLYCEVSLTDLTFKKIRACESPVEVSFMAGPTGLDGRLEIGLLEQVN
KTCSITGSCEGCTLPHPTSVISTSDKKGHMHVECRTGTFTAIFGKQKFSFTCRTSYLRTI
WATTAQAIGNYRKFGLDASGGPFLDLWNKIGPNFSRLEVVGILVVAALLIDKRLLLLLAI
FGYVTYVRADVGCGIDLSRKTFSCGEGIFLWNDLSSQTWAYGVEVVETKLLEAYISQMLK
ERTKVCLLCEDILQCSAARRLAAVVAKSNPDVYYNDSLSYGAVFPMRKKSQITITADGRS
AVVASFVIEGMITNSALGKLQWNVWNPRPTAEAMDDKVIRVLTTGSNITSVCSKAIGFEY
VFERFTRKMYGSSVLVKSTSHISHTCPTYLAGAAIKNNRTIHTDGFLWMDSALQANGTYR
LSSLSVLQSHECEWPVTHTINPTDPKDRSLFMPARFGAPASRANHMPGYLTQRTIPWDKA
PIKLIYGVAPGTTIKEFPTCDDRGDALPILSQETREWCCKTCLSKGTPPFHLVVDGSLYY
PEEVRPIPIPTKITESVAQPVTPPPVMKTMGAEATQDFQMGPGEGTFARLALLALALHLI
SQNTRHGWITRVACAAMLFSVTGLPYHLRYWWPVIGFSVLKNASGQSLLVSLWLALHTTG
GHLVCLGSLLRQTRWCYRLQSLMMLVASLSLYRFRGITWLMNIIDLVAPLISISFLYKAR
TLLLGEVVLIGSGLALSWGNALLTLGVLFGTHMVIASLRKTANAFEPGLRANISLCNFPQ
QVVRDMWTVLKNWRRAPAPWRSSGRTHISQLAVYLLLLGLAYAFHLLNLEVLAGACVLIG
FLWILMGEMLTSGELELRRVSALEIPQGLEKIVIDRDFQSEYGRFTDAGVKLDNFNDETN
VKFSLLSLGFVAALITVNPVCGLTIGFLIWIFTSCPLAKDLAMAASCFRSDDGFAVLIPG
VKEVAIGTRFFTLSDGVYSVCRRSWNGLSHVGAGVAKNNVFHTLYHVTRGEAISWASEKV
GPTSGCALRDVVTYGGDWQFPLVTEDEAVVKIVNSDLTVSHCYTNVLSLNVQGEEYGVIG
HDFMEGSSGSPVFSSQGEIMGLYGYGFYDRENRYNSLISYMKMEKEEEKVKTTEEQPTMR
GTRTFINWHPGKGKTRKVILEEAVRHVNENKRLLILTPTRVVMTEVLQALTGNLPFGVRV
GKHLSKSRSFQITVACHATLTSHVLQHGLKINFSTVIMDECHFLDPLSIAARGIMEHMHS
KGAALMYLSATPPGKAPQAGSNYPIIDVPSMPRDVDRNFVTSQAGDKTIVFVPTIAQAQK
LSDQIPGSVVLSRETFDVNMSKAANPETKVVISTEISEMGANLGVDTVIDTRLCVRPVVD
GRFKVRLVKVPITHASAVQRRGRTGRRQPGRYIFDDKVEPSDECSHWVCWREAQMLLDQL
DMTPMPEEAENFDPPGHYKLLSDQLKQFMELLTTEMPIWLAWNWANASSSRHTVIFGGSE
VTDKTTPVITTPSGKQLYNPQFVDDRFEADDLTKFHATIQKYLRMRAHINWEGLAQGLWH
VVTKSDSSMFKVAFQNTMERLHDLSRWDDDSLRTSDMTESVGTWIIVMLTAVSTFIISLL
IFACCRCCKSSKTTRSQEVVYTTTVAERNVSGLWSSMTVPVLGWVAGIPGPILFVVAVCL
GLVCAFMCNSATRSYVDHTLSWWVMVLSCIVAGLVAFELDLMPRTFAILSRVAATGARFD
TGPSVEPFIVTGRHVTVELWVVIMAMYLTALIIAPILKSYIQGKSIAAVFANEPVASAYI
GGMRLTTIYALQATICVGLFYFHANLPSCVVASVASFLFLMVFAFDVKYAFSPAVVRALE
AKNNKRDTDRPSLERDEETKGRQLYYTLSVVMVALWVTIVRDQLTFVTAAGVGLHALMCL
IVPDHPFHRNINQGIVTMLFGFLVEPVKWTFIVGFFLWGVMHYTSPNSYRSSNKGDAMNV
GMKWKRLLNSLNQKQFDAYKSRSVDETPRGDYVSRGGLKMREIMEVHGWEPNGKVVDLGC
GRGGWSQHLAMDRRVTEIKGYTLGGSNRENPEVFMTYGYNLCTLKPMVDVYKLEPFVTNT
VICDIGESDPSAVVEKTRTLKVLTLLENWLTVSKEANFVCKVLSPYHTEVLKKLETLQHV
YGGRLVRLRLSRNSTAEMYYISGPRSNMVKAVYATLRALTGRLSLYDTPFESLPPTLPTG
TRADPKAKAKAADFSLLARRIQKLQQENQHTWFHDKENPYTSFSYHGSFVTDAVSGGGQT
VNPIIRRLMWPWEQVAKVTGFMMTDVSTYAQQKVLREKVDTYVEEPDHRMKQINRQLALF
IADLYKKQGLRPRILSKQDFVANVRSDAAVGGWASDMPWADVEGAITDPVFWDMVDRERQ
LHLGGDCELCVYNTMGKKEKKPAVLGKAKGSRTIWYMWLGSRFLEYEALGFLNQDHWVSR
DHLPCGVGGVGVNYFGNYLKEIAEKGKWLIADDVAGWDTRITESDIEDERSLLLSLVKDP
YHKALMDSIFTMAYRNIVALFPRNHKKFGSGTVMDVVSRTDQRGSGQVVTYALNTITNAK
VQLGRSLEAAGLLEADDRTIQVWLRNHGEETLRGMTVAGDDVVVATNSDSFHTSLHYLNR
NSKIRKDIGPLEPSRRCDNWEEVEFCSHHFHPITLQDGRVLIVPCREQNEIIGRSRLQKG
GIVSESEGACLAKAHGQMWALYFFHRRDMRLAYAAITACVPSHWFPKGRTSWSVHQKHEW
MTTVDMLEVWNNVWIHDNPWMTNKEPVSSWSMVPYLPKKQDIACGSRIGTTDRTLWAKEM
PELVSKLRRVLDKHEGPQQYTDGLAILGRYQQSPGNTADIYV
NT seq
10029 nt
NT seq
+upstream
nt +downstream
nt
atgcaggtcaagaaaataaagatgcgtggtggaggaggtggaaagctcggcattaaaggg
ataaaaacatcttccctgcgtcgggcactcaatatggtctctggagatttgaatgagacc
ttgctgaaactggtcatcgctatgatcgccatttggaatgagttactacgtaacttgcga
tcattggggcgtagggttcgcaaggagactcgacaaagaactggaaacaacaagcatgtt
gtagcatgctttatcatcggactaatggcggccttggcttgcgccaagaccatgaatgga
ataatggacaagggtgagcacgtttggaaagctgactggaatgttgactttaccaatgtg
aagctccccaaggacttctgcggatctggaatacacgtggagaagatgtgtcctcaggtt
gattctttgcaagatgcaacaatcgactgcgcaggaagacatgaccaatttctcctgtcc
tatacacgatgtgcggctaagaatcgtgtcaaacgtggtgaacccggagtagtggaaccg
aaagtcacgaacatatggaccataacgttcaatgatgagttgaacagcatcattgaacgt
gtgagcgggatgctgaagaacaatcgattgatggcaacagcagtcatttgcttagttggg
gctttcaagaaatggcctacatggctcgtcgtgcttttggttttactgccttggactgtc
gtgcaggcatcactggccgatcctttcttaattctgccgaagggtgatggtttggtaaaa
actagattatacccaggacagatttcatcaatttccacacacgttggggtactggacatc
tcttatatggctgtggacattgaggaggggcgactcgttgaaaggttgatgtcacattgc
gaagtaaatggaacttactcacaggattgttgcgctttgggatgcaacttggacttatct
aagttaaatgagcggaacagggcctgtcaaacggctacctacaatcgcgggtgggctacg
ggatgtccagtttttggactgggcagtgtggccacatgcgttgaggtcgcgtgcagcgat
agtgtggaggtgtccgaactgacaagccagaacatccggattcctctatctctacgtttg
cagcatgaagagctgaatgtgaccatgacaacagaggcgccagttacttcaaagttctca
catcacggggtggtatccatctcttgtcaaattggcaatcctgggttcttggcacagcag
tacgtgctgagcaatgggaagcataaagcaatgtttcccatcagtgcggtatcaggttgg
cctggaatccgtgagattggtggacagtacaggaacgtggatggctccgtcaagtggggg
cacgttgaagcgaatgagattaaggtggccgctgtatatagtgacagcatccaatggaag
actggaatcccgataaagacaggtattagagacccactgtatttgtactgtgaagtgtcg
ctaactgacttgactttcaagaaaataagagcatgtgaatcgcctgttgaagtttcgttc
atggcaggacctacgggtttggatggtcgactagaaattgggttgcttgagcaagtcaac
aaaacatgctcaataacagggagctgtgaaggttgtaccttaccgcacccaaccagtgtc
atttcgacttctgacaagaaaggccacatgcacgtagaatgtcgcacggggacatttacg
gcaatattcggaaagcaaaaattttctttcacctgtcggactagttacctcagaactatt
tgggctacgactgcccaggcgattggaaattataggaaattcggactggatgcctcagga
ggaccatttttggacttatggaataagataggtccaaatttctcccgtttggaggttgtt
ggaatccttgttgtggcagccttgttaattgacaaaagactcttacttctcctggctatt
tttggatacgtcacatacgtgcgagctgatgtgggttgtggtattgacctatccagaaaa
actttttcatgtggtgagggcatattcttgtggaacgacctttcatcgcagacttgggct
tatggagttgaggtcgtagaaaccaaactgctggaagcctacattagtcagatgctgaaa
gagaggacgaaagtctgcctactgtgtgaggacatcttgcaatgttcagcagcccgacgc
ttagcagcggttgtggctaaaagcaatccagatgtctattacaatgattcattgtcatac
ggagctgtttttcccatgcgaaagaaaagccaaataacgataacagctgacggccggtcg
gctgtggttgcctccttcgtaatagaaggaatgataaccaactcagctcttggcaaatta
caatggaacgtgtggaatcctcggccaacagcggaggctatggacgacaaagtgatccga
gttttaacaacagggtctaacataacgtctgtatgcagtaaagccattggttttgagtac
gttttcgaacggtttactaggaagatgtatggctcaagcgtcctagtgaaaagcacttca
cacatttcccacacttgccctacttatttggctggtgctgccatcaaaaacaacagaaca
attcatacggatgggttcttgtggatggatagtgcactgcaggcaaatggtacataccga
ctcagttcactatcagtgctccagagtcatgagtgtgagtggccggtgacccataccatc
aacccaacggacccaaaggatcgctctttgttcatgccagcgaggtttggagctcctgct
tcacgagctaatcatatgccaggatatcttacacagcgtaccattccatgggataaggca
cccataaagctgatttatggagtagcacctggaactacaattaaagaatttccaacgtgt
gacgatcgcggcgatgctctgcccatcctttcacaagaaactcgtgagtggtgttgcaaa
acttgtttaagcaaagggactccgccgtttcacctagtcgtagatgggtctttgtactac
ccagaagaggtcagaccgatacccataccaacgaagatcacggaatctgtagctcaaccc
gtaacgcctccacctgtcatgaaaacgatgggggcagaagcgactcaggattttcagatg
gggccaggggaagggacatttgctcgcctggccctcctggcattggccttacatctaata
tcacaaaatacgcgtcatggatggatcacccgggtcgcgtgtgcagccatgcttttctcc
gtgactggccttccctatcacctccggtattggtggccggttattggtttctcggtttta
aagaatgcgtcgggacagtctttgctagtgtcgctgtggttggcgttacacactactggt
gggcacctcgtttgtttaggttcactcctgcggcaaacaagatggtgctaccggctccaa
tccctaatgatgctggtggcgtccctatctctgtaccggttccgggggataacttggctc
atgaacatcatagacctagtggctccgttgatatcaatatcttttctctacaaagcaaga
accctacttctaggggaagttgtcttaattgggagcgggttagctctttcatggggaaac
gccctcctaactctaggagtattatttgggacccacatggtgattgcctcgctgagaaaa
acagcaaacgcattcgagccaggactacgtgccaacatctcattgtgcaacttcccacaa
caggttgtgagggacatgtggactgtattaaagaactggcgcagagcacccgcaccttgg
cggagctctgggagaacacatatctcacagctagcggtttatctcctgctgttgggcctc
gcttatgcgttccaccttttgaacttggaagttctagccggagcctgcgtcttaatcgga
ttcctctggattttgatgggagaaatgctgacctcgggagaactagaactgcggagggtg
tcggctctggagattcctcagggccttgaaaaaatcgtcatagatcgagacttccaaagc
gaatatgggcggttcacagacgcgggtgtcaaattggacaacttcaatgacgaaacgaat
gtcaagttcagcttactttccctaggatttgtggcggctctcatcactgtaaacccagtg
tgtggattgacaatcggattcctaatatggatcttcacatcatgccctctcgcaaaagac
ttggccatggcagcaagctgcttccgctcggatgatggttttgctgtattaataccaggg
gtgaaggaggtggctattgggacaagattcttcacgttatccgatggcgtttactccgtt
tgcagacgatcatggaatggactcagtcacgtaggagctggtgtggcgaaaaacaatgtc
ttccacactctttaccatgtgacaagaggtgaggcgatttcatgggctagtgaaaaagta
ggacctacgagtgggtgtgctttgagagacgttgtaacatatggtggagattggcagttc
ccgctggtcacggaagatgaagcggtcgtgaagattgtcaattccgacctaactgtctct
cattgctacaccaatgtcctcagtctcaatgttcaaggtgaagagtacggagtgataggg
cacgatttcatggaaggttcttcaggttcaccggttttttcttcgcagggggaaataatg
ggattgtatggctatggattctatgaccgtgagaaccggtacaactctctgatttcatac
atgaagatggaaaaagaagaggagaaagtgaagacgacggaagagcaaccaacaatgagg
gggactaggacgttcatcaactggcatccagggaaagggaagacccgtaaggtgattctc
gaagaagctgtcagacatgtgaacgaaaacaaacgcctactcattttgacacccaccaga
gtagtgatgacggaagttctacaagctttgactggaaatttgcccttcggagttcgtgtt
gggaagcacttgagtaaaagcagatcatttcagattactgtcgcttgtcatgccacccta
acaagtcatgtgcttcaacatggattgaagattaacttctctactgtcatcatggatgag
tgccactttctggaccccctgtcaatagctgcacgcggtatcatggagcatatgcattcg
aagggggctgctctcatgtatctcagtgctactccgcccgggaaagctccacaagctggt
tcaaattaccctattatagacgtaccatctatgcctagggatgttgataggaattttgtg
acatcccaagctggggacaaaaccatagtctttgttccaacgattgctcaagcacagaaa
ctgtccgatcaaattccaggctcagttgttttatcacgcgaaactttcgatgtaaacatg
tcaaaagcggctaacccggaaacaaaagtggttatctcaacagagatcagcgaaatgggg
gccaatctcggggtagatactgtcattgacactcgactgtgcgttagaccagttgttgat
ggacgtttcaaagttcggttggtgaaagtcccaataactcatgcatctgctgtgcaaagg
cgtggtcgaactggacggaggcagccagggcggtacatctttgacgacaaggttgaaccg
tctgacgagtgctcacattgggtatgttggagggaggctcagatgctcctggatcagctt
gatatgacaccgatgccggaggaagcggagaattttgacccaccaggccactataaactc
ctttcggaccagcttaaacagttcatggagctgctcacgacggagatgcctatttggcta
gcgtggaattgggccaacgcgagttcctctcgacacacggtgatttttggaggatctgaa
gtcactgacaagacgacccctgttatcactacaccatcagggaaacaactatataatcca
caatttgtcgacgaccgctttgaggcagatgatctaactaagtttcacgccacgatccaa
aaatatctgaggatgcgagctcacattaactgggagggattagcccagggcttgtggcac
gtcgtgacaaagagcgactcatccatgtttaaggtcgcgtttcagaacacaatggagcgg
ttacatgacctatcgcgctgggatgacgactccctccggacaagtgatatgaccgaatca
gttggcacgtggattatcgtcatgcttacagctgtgtcgacattcatcatctcactctta
atttttgcttgctgtcggtgttgcaaatcgtccaagactactaggtcccaggaagttgtt
tacactacaacagtcgcggaacgcaatgtcagtgggctttggagtagcatgacagttcca
gtgttggggtgggttgctggaattccaggacctattctcttcgttgtggcagtgtgttta
ggtcttgtttgcgccttcatgtgcaacagcgcgacgcgaagctacgtggaccacacccta
tcgtggtgggttatggttctatcatgcattgtggcaggcctagtcgccttcgaactcgac
ttgatgcctcgtactttcgctatcctttcaagagtggctgctaccggggctagatttgac
actggaccaagcgtggaacccttcatcgttactgggagacatgtaactgttgaactctgg
gtagtcatcatggcgatgtatttgacagccttgatcattgcccccatcttgaagtcatac
atccaggggaagtcgatagctgctgtcttcgcgaatgaaccagttgcctccgcgtacata
ggaggaatgaggctgacaaccatctacgcgttgcaagcaacgatttgtgtaggtcttttc
tacttccacgcaaatctcccatcttgtgttgttgccagtgttgcttcgttcttgtttcta
atggtatttgcttttgacgtaaagtatgccttctccccggctgtcgtccgagctttggaa
gccaagaataacaaacgcgacacggatcgaccatccctagaaagagacgaagaaacgaag
ggacgccaactgtactacacactatctgttgtcatggttgcactatgggtgaccatagta
cgagaccaattaaccttcgtcacagctgccggtgtagggttgcatgccttgatgtgttta
atcgttccagatcatccattccatcggaatatcaaccaggggattgtgacaatgttgttc
gggttcttagtggaacctgtaaagtggacattcattgtcgggttcttcctctggggagtg
atgcactacacaagcccaaactcgtaccggtcatcaaacaagggggacgccatgaacgtg
ggaatgaagtggaagaggctgctcaattccttgaatcagaaacagtttgacgcgtacaaa
tctcgctcggttgatgagactccaagaggtgactatgtgtcaagaggaggcctcaagatg
cgtgagataatggaggtgcacggttgggaaccaaatggaaaagtggttgatcttggatgc
ggacggggaggatggagccagcatttggcgatggatcgtcgggtcacggagatcaaaggt
tacacccttggcggcagcaatcgggaaaaccccgaggtgttcatgacctatggctacaac
ttgtgcacgctaaaacccatggttgatgtatataagttggagccatttgtcacgaacact
gtcatttgtgacataggcgagagtgatccgtcggccgtggtggaaaaaacacgcacgctc
aaggtcctcaccctgttggagaattggttgacagtctcaaaagaagccaatttcgtttgc
aaggttctttcaccgtatcacactgaagtgctgaaaaaactggaaactcttcagcatgtg
tatgggggacgccttgtcagactgcgcttgagtaggaattctactgcggagatgtattac
atatccgggccacgatcgaacatggtgaaggcggtgtatgctacactgagagctctaacg
ggccgattgtcattgtatgacacgccttttgaaagcctgccccctacattgccgacaggg
acacgtgccgatccgaaggccaaagccaaagctgctgatttttcattattggccaggcgc
atccagaaacttcagcaggaaaatcaacacacttggttccatgataaagagaatccttac
acatctttctcctatcatggttcttttgtcactgacgctgtgtctggtggtggacaaaca
gtcaatcccatcattagaaggttgatgtggccttgggagcaagtggccaaagttactggc
tttatgatgactgacgtgtccacttatgcccagcaaaaagtccttcgagagaaggtggac
acatatgttgaagaaccagaccaccgtatgaagcagatcaacagacaactagctctattc
atcgcggacttgtacaagaagcaaggattgagaccacgcatcctgtcaaaacaagatttt
gtggctaacgtacgctcagatgcagctgttggtggatgggctagtgacatgccatgggca
gacgttgaaggggccataacggatccagttttctgggatatggtggaccgtgaacgtcag
ctacatctcggtggtgattgtgaactatgtgtctacaacaccatgggcaagaaagagaag
aaaccggctgtgttgggcaaagccaagggatcacgcacgatatggtatatgtggctcggg
agtcgttttcttgagtatgaagctctgggatttctgaaccaagaccattgggtctcgaga
gaccacttaccatgtggcgttggtggtgtaggtgtgaattactttggcaactacttaaag
gagatcgcagagaaaggcaaatggttaattgccgatgatgtggcgggatgggatacccgg
ataacagaatcagacattgaggacgaacgttctctgttgttgtccctggttaaagatccg
tatcacaaagctctgatggactccatattcaccatggcttatcggaacattgtagccctc
ttccccaggaatcataagaaatttggaagtggcacggtgatggacgtagtttcgagaaca
gatcagcgtggatcaggacaagttgtgacttatgccctaaacaccatcacgaatgcgaaa
gttcagctgggacgctcgcttgaagctgcagggttgctggaagccgatgataggactata
caagtttggcttcgcaatcatggagaggaaactttaagaggaatgaccgtcgctggtgat
gatgtggtggttgctaccaattcggactccttccacacttcgcttcattacctgaaccga
aatagcaaaattcgcaaggacattggaccattggagccatcacgccggtgtgacaactgg
gaggaagttgaattctgttctcaccattttcatccaatcacgttacaagatgggcgagtt
ctaatagtgccatgtcgtgagcagaatgaaatcatcgggcgttctaggctccaaaagggc
ggcattgtcagtgagagtgagggagcttgcttggcgaaggctcacggacagatgtgggca
ctgtatttcttccatagacgtgacatgcgtttagcttacgccgccatcacagcgtgtgtg
ccgtcgcattggttcccgaaagggaggacttcttggtcagtgcaccaaaaacatgaatgg
atgacaactgttgacatgcttgaggtgtggaacaatgtctggatacacgacaacccttgg
atgacgaacaaagaaccagtctcgtcatggagcatggtaccatatctccctaagaaacag
gacattgcatgtggcagtcggattggaactactgaccgcacactatgggcgaaggaaatg
ccggagcttgtctccaaattacgacgtgtcttggacaaacacgaaggaccacaacaatat
actgatggtttggctattttgggccgataccaacagtcccccggaaacacggctgacatc
tacgtgtaa
DBGET
integrated database retrieval system