Pongo abelii (Sumatran orangutan): 100443552
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Entry
100443552 CDS
T01416
Symbol
DCHS1
Name
(RefSeq) protocadherin-16
KO
K16507
protocadherin-16/23
Organism
pon
Pongo abelii (Sumatran orangutan)
Pathway
pon04392
Hippo signaling pathway - multiple species
pon04519
Cadherin signaling
Brite
KEGG Orthology (KO) [BR:
pon00001
]
09130 Environmental Information Processing
09132 Signal transduction
04392 Hippo signaling pathway - multiple species
100443552 (DCHS1)
09133 Signaling molecules and interaction
04519 Cadherin signaling
100443552 (DCHS1)
09180 Brite Hierarchies
09183 Protein families: signaling and cellular processes
04515 Cell adhesion molecules [BR:
pon04515
]
100443552 (DCHS1)
Cell adhesion molecules [BR:
pon04515
]
Cadherins
Cadherin related
100443552 (DCHS1)
SSDB
Ortholog
Paralog
GFIT
Motif
Pfam:
Cadherin
Cadherin_FAT4_N
Ig_CLSTN
Ig_Cad99C_N
Cadherin_CELSR2_9th
Cadherin_pro
Motif
Other DBs
NCBI-GeneID:
100443552
NCBI-ProteinID:
XP_024111637
Ensembl:
ENSPPYG00000031930
LinkDB
All DBs
Position
9:70727596..70762130
Genome browser
AA seq
3297 aa
AA seq
DB search
MQKELGIVPSCPGMKSPSPRLLLPLLLLLLLLGAGVPGAWGQAGSLDLQIDEEQPAGTLI
GDISAGLPAGTAAPLMYFISAQEGSGVGTDLAIDEHSGVVRTARVLDREQRDRYRFTAVT
PDGATVEVTVRVADINDHAPAFPQARAALQVPEHTAFGTRYPLEPARDADAGRLGTQGYA
LSGDGAGETFRLETRPGPDGAPVPELVVTGELDRENRSHYMLQLEAYDGGSPPRRAQALL
DVTLLDINDHAPAFNQSRYHAVVSESLAPGSPVLQVFASDADDGVNGAVTYEINRRQSEG
DGPFSIDAHTGLLRLEQPLDFEQRRVHELVVQARDGGAHPELGSAFVTVHVRDANDNQPS
MTVIFLSADGSPQVSEAAPPGQLVARISVSDPDDGDFAHVNVSLEGGEGHFALSTQDSVI
YLVCVARRLDREERDAYNLRVTATDSGSPPLRAEAAFVLHVTDVNDNAPAFDHQLYRPEP
LPEVALPGSFVVRVTARDPDQGTNGQVTYSLAPGAHTHWFSIDPTSGIITTAASLDYELE
PQPQLIVVATDGGLPPLASSATVSVALQDVNDNEPQFQRTFYNASLPEGTQPGTCFLQVT
ATDADSGPFGLLSYSLGAGLGSSGSPPFRIDAHSGDVCTTRTLDRDQGPSSFDFTVTAVD
GGGLKSMVYVKVFLSDENDNPPQFYPREYAASISAQSPPGTAVVRLRAHDPDQGSHGRLS
YHILAGNSPPLFALDEQSGLLTVAWPLARRANSVVQLEIGAQDGGGLQAEPSARVNVSIV
PGTPTPPIFEQLQYVFSVPEDVAPGTSVGIVQAHNPPGRLAPVTLSLSGGDPRGLFSLDA
VSGLLQTLRPLDRELLGPVLELEVRAGSGLPPAFTVARVRVLLDDVNDNSPAFPTPEDTV
LLPPNTAPGTPIYTLRALDPDSGVNSRVTFTLLAGGGGAFTVDPTTGHVRLMRPLGPSGG
PAHELELEARDGGSPPRTSHFRLRVVVQDVGTRGLAPRFNSPTYRVDLPSGTTAGTQVLQ
VQAQAPDGGPITYHLAAEGASSPFGLEPQSGWLWVRAALDREAQELYILKVMAVSGSKAE
LGQQTGTATVRVSILNQNEHSPRLSEDPTFLAVAENQPPGTSVGRVFATDRDSGPNGRLT
YSLQQLSEDSKAFRIHPQTGEVTTLQTLDREQQSSYQLLVQVQDGGSPPRSTTGTVHVAV
LDLNDNSPTFLQASGAAGGGLPIQVLDRVPPGTLVTTLQAKDPDEGENGTILYTLTGPGS
ELFSLHPHLGELLTAAPLIRAERPHYVLTLSAHDQGSPPRSASLQLLVQVLPSTRLAEPP
PDLAERDPAAPVPVVLTVTAAEGLRPGSLLGSVAAPEPAGVGALTYTLVGGADPEGIFAL
DAASGRLYLARPLDFEAGPPWRALTVRAEGPGGAGARLLRVQVRVQDENEHAPAFARDPL
ALALPENPEPGAALYTFRASDADGPGPNSDVRYRLLRQEPPVPALRLDARTGALSAPRGL
DRETTPALLLLVEATDRPANASRRRAARVSARVFVTDENDNAPVFASPSRVRLPEDQPPG
PAALHVVARDPDLGEAARVSYWLASGGDGHFRLHSSTGALSVVRPLDREQRAEHVLTVVA
SDHGSPPRSATQVLTVSVADVNDEAPTFQQQEYNVLLRENSPPGTSLLTLRATDPDVGAN
GQVTYGGVSSESFSLDPDTGVLTTLRALDREEQEEINLTVYAQDRGSPPQLTHVTVRVAV
EDENDHAPTFGSAHLSLEVPEGQDPQTLTMLRASDPDVGANGQLQYRILDGDPSGAFVLD
LASGEFGTMRPLDREVEPAFQLRIEARDGGQPALSATLLLTVTVLDANDHAPAFPVPAYL
VEVPEDVPAGTLLLQLQAHDPDAGANGCVTYYLGAGTAGAFLLEPSSGELRTAAALDREQ
CPSYTFSVSAVDGAAAGPLSTTVSVTITVRDVNDHAPTFPTSPLRLRLPRPGPSFSTPTL
ALATLRAEDRDAGANASILYRLAGTPPPGTTVDSYTGEIRVARSPVALGPRDRVLFIVAT
DLGRPARSATGVIIVGLQGEAERGPRFPRASSEATIRENAAPGTPIVSPRAIHAGGTNGL
ITYSILSGNEKGTFSIQPSTGAITVRSAEGLDFEVSPRLRLVLQAESGGAFAFTVLTLTL
QDANDNAPRFLRPHYVAFLPESRPLEGPLLQVEADDLDQGSGGQISYSLAASQPARGLFH
VDPTTGTITTTAILDREIWAETRLVLMATDRGSPALVGSATLTVMVIDTNDNRPTIPQPW
ELRVSEDALLGSEIAQVTGNDVDSGPVLWYVLSPSGPQDPFSVGRYGGRVSLTGPLDFEQ
CDRYQLQLLAHDGPHEGHANLTVLVEDVNDNAPAFSQSLYQVMLLEHTPPGSAILSVSAT
DRDSGANGHISYHLASPADGFSVDPNNGTLFTIVGTMALSHDGSGAVDVVLEARDHGAPG
RAARATVHVQLQDQNDHAPSFTLPHYRVAVTEDLPPGSTLLTLEATDADRSRTHAAVDYS
IISGNWGRVFQLEPRLAEAGESAGPGPRALGCLVLLEPLDFESLTQYNLTVAAADRGQPP
QSSVVPVTVTVLDVNDNPPVFTRASYHVAVPEDTPVGAELLHVEASDADPGPHGLVRFTV
SSGDPSGLFELDESSGTLRLAHALDCETQARHQLVVQAADPAGAHFALAPVTIEVQDVND
HGPAFPLNLLSTSLAENQPPGTLVTTLHAIDGDAGAFGRLHYSLLEAGPGPEGREAFALN
SSTGELRARVPFDYEHTESFRLLVGAADAGNLSASVTVSVLVTGEDEYDPVFLAPAFHFQ
VPEGARRGHSLGHVQATDEDGGADGLVLYSLATSSPYFGINQTTGALYLRVDSRAPGSGT
ATSGGGGRTRREAPRELRLEVIARGPLPGSRSATVPVTVDITHTALGLAPDLNLLLVGAV
AASLGVVVVLALAALVLGLVRARSRKAEAAPGPMSQAAPLASGSLQKLGREPPSPPPSEH
LYHQTLPSYGGPGAGGPYPRGGSLDPSHSSGRGSAEAAEDDEIRMINEFPRVASVASSLA
ARGPDSGIQQDADGLSDTSCEPPAPDTWYKGRKAGLLLPGAGATLYREEGPPATATAFLG
GCGLSPAPTGDYGFPADGKPCVAGALTAIVAGEEELRGSYNWDYLLSWCPQFQPLASVFT
EIARLKDEARPCPPAPRIDPPPLITAVAHPGAKSVPPKPANTAAARAIFPPASHRSPISH
EGSLSSAAMSPSFSPSLSPLAARSPVVSPFGVAQGPSASALSAESGLEPPDDTELHI
NT seq
9894 nt
NT seq
+upstream
nt +downstream
nt
atgcagaaggagctgggcattgtgccttcctgccctggcatgaagagccccagtcctcgc
ctcctgctaccattgctgctgctgctgctgctgctgggggctggggtgccaggtgcctgg
ggtcaggctgggagcctggacttgcagattgatgaggagcagccagcgggtacactgatt
ggcgacatcagtgcggggcttccggcaggcacggcagctcctctcatgtacttcatctct
gcccaggagggcagcggcgtgggcacagacctggccattgatgaacacagtggggtcgtc
cgtacagcccgtgtcttggaccgtgagcagcgagaccgctaccgcttcactgcagtcact
cctgatggtgccaccgtagaagttacagtgcgagtggctgacatcaacgaccatgctcca
gccttcccacaggctcgggctgccctgcaggtacctgagcatacagcttttggcacccgc
tacccactggagcctgctcgtgatgcagatgctgggcgtctgggaacccagggctacgca
ctatctggtgatggggctggagagaccttccggctggagacacgccccggtccagatggg
gctccagtacctgagctggtagttactggggaactggaccgagagaaccgctcacactat
atgctacagctggaggcctatgatggtggttcacccccccggagggcccaggccctgctg
gacgtgacactgctggacatcaatgaccatgccccggctttcaatcagagccgctaccat
gctgtggtgtctgagagcctggcccccggcagtcctgtcttgcaggtgttcgcatctgat
gccgatgatggtgtcaatggggctgtgacttacgagatcaaccggaggcagagcgagggt
gacggacccttctccatcgacgcacacacggggctgctgcggttagagcagccactggac
tttgagcaacggcgggtccatgaactggtggtgcaagcacgagatggtggggctcaccct
gagctgggctcggcctttgtgactgtgcatgtgcgagatgccaatgacaatcagccctcc
atgactgtcatctttctcagtgcagatggctccccccaagtgtctgaggccgccccacct
ggacagctcgttgctcgcatctctgtgtcagacccagatgatggtgactttgcccatgtc
aatgtgtccctggaaggtggagagggccactttgccctaagcacccaagacagcgtcatc
tatctggtgtgtgtggctcggcggctggatcgagaggagagggatgcctataacttgagg
gttacagccacagactcaggctcacctccactgcgggccgaggctgcctttgtgctgcac
gtcactgatgtcaacgacaatgcacctgcctttgaccaccagctctaccgacctgagccc
ctgcctgaggttgcactgcctggcagctttgtagtgcgggtgactgctcgggatcctgac
caaggcaccaatggtcaggtcacttatagcctagcccctggtgcccacacccactggttc
tccattgaccccacctcaggcattatcactacggctgcctcactggactatgagttggaa
cctcagccacagctgattgtggtggccacagatggtggcctgccccctctagcctcctct
gccacagttagcgtggccctgcaagatgtgaatgataatgagccccaattccagaggact
ttctacaatgcctcgctgcctgagggcacccagcctggaacttgcttcctgcaggtgaca
gccacagacgcggatagtggcccatttggcctcctctcctattccttgggtgctggactt
gggtcctccggatctcccccattccgcattgatgcccacagcggtgatgtgtgcacaacc
cggaccctggaccgtgaccaggggccctcaagctttgacttcacggtgacagctgtggat
gggggaggcctcaagtccatggtatatgtgaaggtgtttctgtcagacgagaatgacaac
cctcctcagttttatccacgggagtatgctgccagtataagtgcccagagtccaccaggc
acagctgtggtgaggttgcgtgcccacgaccctgaccagggatcccatgggcgactctcc
taccatatcctggctggcaatagccccccactttttgccttggatgagcaatcaggactg
ttgacagtagcctggcccttggccagacgggccaactctgtggtgcagctggaaatcggg
gctcaggatggaggtggtctacaggcagaacccagtgcccgagtgaacgtcagcattgtg
cctggaacccccacaccacccatatttgagcaactacagtatgttttttctgtgccagag
gatgtggcaccaggcaccagtgtgggcatagtccaggcacacaacccaccaggtcgcttg
gcacctgtgaccctttccctatcaggtggggatccccgaggactcttctccctagatgcg
gtatcaggactgttgcaaacacttcgccctctggaccgggagctactgggaccagtgttg
gagctggaggtgcgagcaggcagtggattgcccccagctttcactgtagctcgggtgcgt
gtgctgctggatgatgtgaatgacaactcccctgcctttcctacacctgaagacacggta
ttgctaccaccaaacactgccccagggactcccatctatacactgcgggctcttgaccct
gactcaggtgttaacagtcgagtcacctttaccctgcttgctgggggtggtggagccttc
accgtggaccccaccacaggccatgtacggcttatgaggcctctggggccctcaggaggg
ccagcccatgagctggagctggaggcccgggatgggggctccccgccacgcaccagccac
tttcgactacgggtggtggtacaggatgtgggaacccgtgggctggctccccgattcaac
agccctacctaccgcgtggacctgccctcaggcaccaccgctggaactcaggtcctgcaa
gtgcaggcccaagcaccagatgggggccctatcacctatcaccttgcagcagagggagca
agtagcccctttggcttggagccacagagtgggtggctatgggtgcgggcagcgctggac
cgtgaggcccaggagttgtacatactgaaggtaatggcagtgtctgggtccaaagctgag
ttggggcagcagacaggcacagccaccgtgagggtcagcatcctcaaccagaatgaacac
agtccccgcttgtctgaggatcccaccttcctggctgtggctgagaaccagcccccaggg
accagcgtgggccgagtctttgccactgaccgagactcaggacccaatggacgtctgacc
tacagcctgcaacagctgtctgaagacagcaaggccttccgcatccacccccagactgga
gaagtgaccacactccaaaccctggaccgtgagcagcagagcagctatcagctcctggtg
caggtgcaggatggagggagcccaccccgcagcaccacaggcactgtgcatgttgcagtg
cttgacctcaacgacaacagccccaccttcctgcaggcttcaggagctgctggtggtggc
ctccctatacaggtactagaccgcgtgcctccaggaacactggtgacgactctgcaggcg
aaggatccagatgagggggagaatgggaccatcttgtacacactaactggtcctggctca
gagcttttctctctgcaccctcacttaggggagctgctcactgcagctcccctgatccga
gcagagcggcctcactatgtgctgacactgagtgctcatgaccaaggcagccctcctcga
agtgccagcctccagctgctggtgcaggtgcttccctcaactcgcttggccgagccgccc
ccagatctcgcagagcgggacccagcggcaccagtgcctgtcgtgctgacggtgacagca
gctgagggactgcggcccggctctctgttgggctcggtggcagcgccagagcccgcgggt
gtgggtgcactcacttacacactggtgggcggtgccgatcccgagggcatcttcgcgctg
gatgcggcctcagggcgcttgtacctggcgcggcccctggacttcgaagcgggcccgccg
tggcgcgcgctcacggtacgcgctgaggggccgggaggcgcgggcgcgaggctgctgcga
gtgcaggtgcgagtgcaggacgagaatgagcatgcgcccgccttcgcgcgcgacccgctg
gcgctggcgctgccagagaatccggagcccggcgcagcgctgtacactttccgcgcgtcg
gacgccgacggccccggccccaatagcgacgtgcgctaccgcctgctccgccaggagccg
cccgtgccggcgcttcgcctggacgcgcgcaccggggcgctgagcgctccgcgcggcctg
gaccgagagaccactcccgcgctgctgctgctggtggaagccaccgaccggcccgccaac
gccagccgccgtcgtgcagcgcgcgtttctgcgcgcgtcttcgtcacggatgagaatgac
aacgcgcctgtcttcgcctcgccctcacgcgtgcgcctcccagaggaccagccgcctggg
cccgcggcgctgcacgtggtagcccgggacccggacctgggcgaggctgcacgcgtgtcc
tattggctggcatctggcggggatggccacttccggctgcactcaagcactggagcgctg
tccgtggtgcggccgttggaccgcgaacaacgagctgagcacgtactgacagtggtggcc
tcagaccacggctccccgccgcgctcggccacccaggtcctgaccgtcagtgtcgctgac
gtcaacgacgaggcgcctactttccagcagcaggagtacaacgtcctcttgcgtgagaac
agccctcctggcacatctctgcttacccttcgagcaaccgacccggacgtgggggccaac
gggcaagtgacttatggaggcgtctctagcgaaagcttttctctggatcctgacactggt
gttctcacgactcttcgggccctggatcgagaggagcaggaggagatcaacctgacagtg
tatgcccaggacaggggctcacctcctcagttaacgcatgtcactgttcgagtggctgtg
gaggatgagaatgaccatgcaccaacctttgggagtgcccatctctctctggaggtgcct
gagggccaggacccccagacccttaccatgcttcgggcctctgatccagatgtgggagcc
aatgggcagttgcagtaccgcatcctagatggggacccatcaggagcctttgtcctagac
cttgcttctggagagtttggcaccatgcggccactagacagagaagtggagccagctttc
cagctgaggatagaggcccgggatggaggccagccagctctcagtgccacgctgcttttg
acagtgacagtgctggatgccaatgaccatgctccagccttccctgtgcctgcctacttg
gtggaagtgccggaggatgtgcctgcagggactctgctgctgcagctacaggctcatgac
cccgatgctggagccaatggctgtgtgacctactacctgggtgcgggtacagcaggagcc
ttcctgctggagcccagctctggagaactgcgcacagctgcagccttggacagagaacag
tgtcccagctacaccttttctgtgagtgcagtggatggtgcagctgctgggcccctaagc
accacagtgtctgtcaccatcacagtgcgcgatgtcaatgaccatgcacccaccttcccc
accagtcctctgcgcctacgcctgccccgcccaggccccagcttcagtaccccaaccctg
gctctggccacactgagagctgaagatcgcgatgctggtgccaatgcttccattctgtac
cggctggcaggcacaccacctcctggcactactgtggactcttacactggtgaaatccgt
gtggcccgctctcctgtagctctaggcccccgggatcgtgtcctcttcattgtggccact
gatcttggccgtccagctcgctctgccactggtgtgatcattgttggactgcagggggaa
gctgagcgtggaccccgctttccccgggctagcagtgaggctacgattcgtgagaacgca
gccccagggactcctattgtctcccccagggccatccatgcaggaggcacaaatggactc
atcacctacagcattctcagtgggaatgagaaagggacattctccatccagcctagtaca
ggtgccatcacagttcgctcagcagaggggctggacttcgaggtgagtccacggctgcga
ctggtgctgcaggcagagagtggaggagcctttgccttcactgtgctgaccctgaccctg
caagatgccaacgacaacgctccccgtttcctgcggccccattatgtggccttccttcct
gagtcccggcccttggaggggcccctgctgcaggtggaggcggatgacctggatcaaggc
tctggaggacagatttcctacagtctggctgcatcccagccggcacgtggattgttccac
gtagacccaaccacaggcactatcactaccacagccatcctggaccgtgagatctgggct
gaaacacgattggtactgatggccacagacagagggagcccagccctggtgggctcagct
accttgacggtgatggtcatcgacaccaacgacaatcgccccaccatcccccaaccctgg
gagctccgagtgtcagaagatgcgttattgggctcagagattgcacaggtaacagggaat
gatgtggactcaggacccgtgctgtggtacgtgctaagcccatctgggccccaggatccc
ttcagtgttggccgctatggaggccgtgtctccctcacggggcccctggactttgagcag
tgtgaccgctaccagctgcagctgctggcacatgatgggcctcatgagggccatgccaac
ctcacagtgcttgtggaggatgtcaatgacaatgcacctgccttctcacagagcctctac
caggtaatgctgcttgagcacacacccccaggcagtgccattctctccgtctctgccact
gatcgggactcaggtgccaacggtcacatctcctaccacctggcttcccctgccgatggc
ttcagtgttgaccccaacaatgggaccctgttcacaatagtgggaacaatggccttgagc
catgacgggtcaggagcagtggatgtggtgctggaagcacgagaccacggggctccaggc
cgggcagcacgagccacagtgcacgtgcagctgcaggaccagaacgaccacgccccaagc
ttcacattgccacactaccgtgtggctgtgactgaagacctgccccctggctccactctg
ctcaccctggaggctacagatgctgatagaagccgcacccatgccgctgtggactacagc
atcatcagtggcaactggggccgagtcttccagctggaacccaggctggctgaggctggg
gagagtgctggaccaggcccccgggcactgggctgcctggtgttgcttgaacctctagac
tttgaaagcctgacacagtacaatctaacagtggctgcagctgaccgtgggcagccaccc
caaagctcagtcgtgccagtcactgtcactgtactagatgtcaatgacaacccacctgtc
tttacccgagcatcctaccatgtggcagtacctgaggacacacctgttggagctgagctg
ctgcatgtagaggcctctgacgctgaccctggccctcatggcctcgtgcgtttcactgtc
agctcaggcgacccatcagggctctttgagctggatgagagctcaggcaccttgcgactg
gcccatgccctggactgtgagacccaggctcgacatcagcttgtagtacaggctgctgac
cctgccggtgcacactttgctttggcaccagtgacaattgaggtccaggatgtgaatgat
catggcccagccttcccactgaacttactcagcaccagcctggccgagaatcagcctcca
ggcactcttgtgaccactctgcatgcaatcgacggggatgctggggcttttggaaggctc
cattacagcctgttggaggctgggccagggcctgagggccgtgaggcatttgcactgaac
agctcaacaggggagttgcgtgcacgagtgccctttgactatgagcacacagaaagcttc
cggctgctggtgggtgctgccgatgctgggaatctctcagcctctgtcactgtgtcagtg
ctggtgactggagaggatgagtatgaccctgtatttctggcaccagctttccacttccaa
gtgccagaaggtgcccggcgtggccacagcttgggtcatgtgcaggccacagatgaggat
gggggtgccgatggcctggttctgtattcccttgccacctcttccccctattttggtatt
aaccagactacaggagccctgtacctgcgggtggacagtcgggcaccaggcagtggaaca
gccacctctgggggtgggggccggacccggcgggaagcaccacgggagctgaggctggag
gtgatagcacgggggcctctgcctggttcccggagtgccacagtgcctgtgaccgtggat
atcacccacactgcactgggcctggcacctgacctcaacctgctattagtaggggccgtg
gcagcctccttgggagttgtggtggtgcttgcactggcagccctggtcctaggacttgtt
cgggcccgtagccgcaaggctgaggcagcccctggcccaatgtcacaggcggcaccccta
gccagtggctcactgcagaaactgggccgggagccacctagtccaccaccctccgagcac
ctctatcaccagactcttcccagctatggtgggccaggagctggaggaccctacccccgt
ggtggctccttggacccttcacactcaagtggccgaggatcagcagaggctgcagaggat
gatgagatccgcatgatcaatgagttcccccgtgtggccagtgtggcctcctctctggct
gcccgtggccctgactcaggcatccagcaggatgcagatggactgagtgacacatcctgc
gagccacctgcccctgacacctggtataagggccgaaaggcagggctgctgctgccaggt
gcaggggccactctctaccgagaggaggggcccccagccactgccacagccttcctgggg
ggctgtggcctgagccctgcacccactggggactatggcttcccagcagatggcaagcca
tgtgtggcaggtgcgctgacagccattgtggccggcgaggaggagctccgtggcagctat
aactgggactatctgctgagctggtgccctcagttccagccactggccagtgtcttcaca
gagatcgctcggctcaaggatgaagctcggccatgtcccccagctccccgtatcgaccca
ccacccctcatcactgccgtggcccacccaggagccaagtctgtgccccccaagccagca
aacacagctgcagcccgggccatcttcccaccagcttctcaccgctcccccatcagccat
gaaggctccctgtcctcagctgccatgtcccccagcttctcaccctctctgtctcctctg
gctgctcgctcacccgttgtctcaccatttggggtggcccagggtccctcagcctcggca
ctcagtgcagagtctggcctggagccacctgatgacacggagctgcacatctag
DBGET
integrated database retrieval system