Taeniopygia guttata (zebra finch): 100226618
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Entry
100226618 CDS
T01082
Symbol
LAMA2
Name
(RefSeq) laminin subunit alpha-2 isoform X1
KO
K05637
laminin, alpha 1/2
Organism
tgu
Taeniopygia guttata (zebra finch)
Pathway
tgu04510
Focal adhesion
tgu04512
ECM-receptor interaction
tgu04820
Cytoskeleton in muscle cells
Brite
KEGG Orthology (KO) [BR:
tgu00001
]
09130 Environmental Information Processing
09133 Signaling molecules and interaction
04512 ECM-receptor interaction
100226618 (LAMA2)
09140 Cellular Processes
09144 Cellular community - eukaryotes
04510 Focal adhesion
100226618 (LAMA2)
09142 Cell motility
04820 Cytoskeleton in muscle cells
100226618 (LAMA2)
BRITE hierarchy
SSDB
Ortholog
Paralog
Gene cluster
GFIT
Motif
Pfam:
Laminin_G_1
Laminin_EGF
Laminin_G_2
Laminin_B
Laminin_N
Laminin_I
Laminin_II
Laminin_G_3
DUF948
Motif
Other DBs
NCBI-GeneID:
100226618
NCBI-ProteinID:
XP_030123740
LinkDB
All DBs
Position
3:52201054..52535515
Genome browser
AA seq
3286 aa
AA seq
DB search
MARESLPLLLLLAALGSRGQSPSPPPPPQRGLFPAVLNLASNALITTNATCGEKGREMYC
KLVEHVPGQPARNPQCRICDQRSRVPHQRHPIANAIDGKNTWWQSPSIQNGIEYHYVTIT
LDLQQVFQIAYVIVKAANSPRPGNWILERSLDGVDYQPWQYYAITDSECLTRYNIHPRPG
TPSYIKDDEVICTSYYSKIHPLENGEIHTSLINGRPSADDPSRELLEFTSARFIRLRFQR
IRTLNADLMMFAHKDPAEIDPIVTRRYYYSIKDISVGGMCICSGHAKACPLDPMTNKSVC
QCEHNTCGETCDQCCPGFHQKPWHAGTLLHKHECEPCNCHGKTEECYYDQDVADRNQSLN
IHGEFLGGGVCVNCSGYTSGINCETCLDGYFRPKGVLPENPDPCQPCSCDPNGSLNDTCV
KDEKHTEGDLLPGFCHCKTGYAGESCNRCALGYTGYPECLPCNCSLEGSENDDPCIGPCI
CKEHVEGENCDRCKPGFFNLQQNNPEGCEECFCSGKTNICRHSPFTYRSIEDMNGWYLTD
LPGHIRVIPTQKRFDGHQHLSISNVAAQKVLPQIYYWSAPSSYLGNKVAAAGGHLKFTVS
YDVTEEEEEETSKLMVQSDVIIEGGDLKISTPKGIIHLQPSEEHTEEILLKPESFSVHGT
DVPVSRREFMTILANVKRILIRATYSNGMNAIYRLRSVIMESADHTSRGRRVASAVELCE
CPPGYDGTSCESCWPRHRRVNGTIFGGVCAPCTCFGHADVCDDITGACLDCKHNTGGPYC
DRCLPGFYGDATKGTAEDCQLCACPLNIPSNNFSPTCHFDRHRGLMCDECPAGYVGPRCE
RCAEGYFGQPLIPGGSCQPCQCNDNLDFSVPGSCDSLSGACLICKPGTTGQYCERCADGY
FGDALHARNCQPCHCHMNGSFSEICDSRTGQCKCKANVIGRRCDICKPNYFWAPEKLFCI
PCGCSALGSASLQCDMLGRCICKSGFMGRHCEISRQLPKLQENTGSSQQIRVPPRRWGTS
SAGGCPRGAYRPAALPGTFGLQSSRGCVPCNCNSFGSKSFDCDGDGQCYCQPGVTGKKCD
RCAHGFYNFEEGGCTPCECSRFGNNCDPVSGRCICPPNTVGEMCDKCAPNHWGHNIVSGC
KPCECSLIGALSSQCDLNTGCCFCRPEFSGEKCTECRLGYWNYPHCLACQCLLAGTDPQS
CDAEGKCSCIDHSGQCSCKVNVEGVHCDRCKSGTFGLSARNPLGCSSCYCFGLTTQCSEA
RGLIRVWVTLKPEQMILPLVDEKLQRSTLSGIAFQPPEIVANIEQVMQDLRSEPVYWRLP
EQFEGRKLTAYGGKLKYAIYFEAREETGFTTYSPQVIIRGGPPTNTRIIVRHMAAPLIGQ
LTRHEIEMTEHEWEYYGDDQRNPGPWEYYHGNPGLNRTMSQADFTWKHYGDDSRPSRTVS
REDFMNVLYDVHYILIKATHGNIMRQSRISEISLEVAESSPVSGMAPQAYLIEKCDCPLG
YSGLSCESCSPGFYRLPPPPTGRTPAQSLGTCAVCECHGHSTMCDSETSICQDCQHNTAG
HHCERCALGFYGTVQGSPDDCQPCACPLSIPGNNFSPTCIAEGPSDYRCTACPPGYEGQY
CQRCSSGYTGNPQIPGGSCQACECDPHGSVPVPCDPVTGQCTCKPGFTGWKCAGCEHRHA
RHGTRCISCDDECTGLLLNDLDRLNQMILSVNLSGPLPAPYKMLHGFENMTQELKHLLSP
QRAPERFLQLARENLDTLVTEMDELLTRATKVTADGEQTRQDAERTNDRAKSLGQFVKGI
LQAAEAAKEDALKLNETLRTQDKTLEKSLPELQSEAEGMVIEMRNRDLSVQEKIAQDELK
SAEDLLDKVKKLFGEPSEKNEDLKNEVRDKLASYHSKVADAQDLLKEAASKIWEANHLSA
VNQKNMTMLEKRKQAVEDGRQDVEKTLQEGNDVINEADELANDISIAVEYVEGVANKIQP
MSDQLKDKIDDLSQEIRDRMLPEKVLQAENHAGQLNESSAVLDGILTEAKNLSFNATRAF
NAYTNIKDYTDEAERVAKEAKTLANEAMQETSGPQGSLKDGAKSSLKKSFRVLNRAKMLE
SDVKENDDNLDSTQNKLKDADEKNSILLRALNETLGKLSAIPNDTAIKVQAAKDKARQAN
NTANDVLAQIKDLNRNLLGLRKNYSKLTDDVAKTNAVVKDPVKNKIFADADSSIKNLEKE
ADRLLDKIKPIKELQDNLGKNISQIKELINQARKQANSIKVSVSSGGNCIRTYRPEIKKG
TYNTIIVNVKTVVADNLLFYLGSAKFTDFLAIEMRKGKVSFLWDVGSGVGRVEYPDLTID
DGFWYRIEAFRTGKNGTISVRALDGPKASIVPATFSAVSPPGYTILDVDVNAVLFVGGLT
EKIKKSDAVRVTTFTGCMGETFLDSKPIGLWNFRDIEGDCKGCAVSPQVADGEGTVQFDG
DSYAMVSRPIRWNPNISTVTFKFRTFSSNALLMYLATDDLKDFMSVELSGGRIKVSYDLG
SGTASVISNQNHNDGKWKSFTLSRILKQANISIVDIDTNEEETIASTSTGSHFGLNLKGH
EKIYFGGLPTLRNLSMKARTEVNLEKYTGCLKDIEISRTPYNILSSPDFVGLTKGCTLEN
IHTVSFSKPGFVELQPVSFDVGTEINLSFSTRNESGVILFGTSGTIVPPRRKRRHSARKA
APLKRKRRQTGQAYYAVFLNRGRLEVHVSTGIRDPHRITVRPEAGEFHDGRAHSIRIERA
SGMFSVQVDEDKVQTQRLPSDQPVSVKKLFVGGTSSPFQISPLRNIPPFEGCIWNLVINA
TPMDFAQPVSFENADIGRCPTLEPEVRPTEDEDKPTHATVLVQPEPDTNGEKEGPRIPPA
SPPPTPSLSSALGSLAAETKSASLSSAFDSITDSCAADTEPAILEGGKQFGLSRNSHIAV
AFDDTQVKNRLTIEFEVRTTADSGLLFYMARINHADFATVQIKNGLPYFSYDLGSGNTST
MITNKINDGQWHQIKVIRMKQEGNLIVDGVSNGTVSPKKADILDVVGMLYVGGLPINYTT
RRIGPVLHSIDGCIRNFKMTESPVDLNNPTSSFSVGKCFVSAQKGTYFDGTGFAKTVGAY
RVGTDLLVEFEFRTTRMNGVLLGVSSQKMDGLGIELVDGKVMFHVDNGAGRFSAVYEPDA
PGSLCDGRWHKVLANKIKHRLELTVDGRQVETDSPNRASTSADTNDPLFVGGYPDGVTQF
GLTTNIRFKGCIRFLKLTKGTAKPQEINFSKALELKGVQPLSCPAD
NT seq
9861 nt
NT seq
+upstream
nt +downstream
nt
atggctcgggaaagtttgccgctgctcctgctgctggcggcgctcggcagccggggccag
tcgccgtcgccgccgccgccgccgcaaagaggactgtttcctgcagtgctgaacctggct
agtaatgctctcatcacaaccaatgcaacctgtggagaaaagggacgggaaatgtactgc
aaactggttgaacatgtacctggacagcctgcaaggaaccctcagtgccgcatttgcgat
caaaggagccgagttccacatcaacgacacccaatagcaaatgcaattgatggcaagaac
acttggtggcaaagccctagtatccagaatggaattgagtatcattatgtgaccattaca
ttggacctccaacaggttttccagatcgcctatgttattgtgaaagcagctaactcccct
cgtcctgggaactggatattggagcgctcactggatggcgtggactatcagccatggcag
tactatgccatcacagacagcgagtgcctgacacgctacaacattcatccccggcctgga
accccgtcctacataaaagatgatgaagtcatatgcacttcttattattccaaaatccac
cctctggaaaatggagagattcacacttctctaattaatggacgacctagtgccgacgat
ccatcacgtgaattactggagttcacctctgctcgctttattcgcctgagattccagagg
atacggacactaaatgctgatttaatgatgtttgcacacaaagatccagctgaaattgat
cccattgtcacaaggaggtattactattctataaaagacatctccgttggaggcatgtgt
atatgttcaggccatgcaaaggcttgtccactggatccaatgaccaataaatccgtctgt
cagtgtgagcacaacacatgcggagagacatgtgatcagtgttgtcctggtttccatcaa
aagccttggcatgctggcactctcctgcataagcatgaatgtgaaccatgcaactgtcac
gggaagactgaggagtgttactatgatcaggatgtggcagacagaaatcagagtttgaac
atccacggggagttcctcgggggcggagtgtgtgtgaactgctcgggctacaccagcggc
atcaactgcgagacctgcttggatggctacttcaggccaaaaggggtattgccagaaaac
ccagatccatgccagccatgttcctgcgatccaaatggatctttaaatgatacctgtgtc
aaggatgagaaacatacagaaggagatttgttgcctggtttctgtcactgcaagactggc
tatgcaggagaaagctgcaatcgatgtgccttgggttatacaggatatcccgagtgcctg
ccatgcaactgctcccttgagggcagtgaaaatgatgacccctgcataggtccctgcatc
tgcaaggaacatgttgaaggagaaaactgtgaccgttgtaaaccaggtttcttcaatctt
cagcaaaataatcccgaaggctgtgaggaatgtttctgctctgggaaaacaaacatctgc
agacactctccctttacctacagaagtatagaagacatgaatggttggtatctgactgac
ttaccaggtcacatcagagttatccccacgcaaaagagatttgatgggcatcaacatctt
agcatcagcaacgtggctgcgcaaaaagtactgccacagatttactattggagcgctccc
agttcttatttgggcaacaaagtagcagctgctggaggacatctgaaatttacagtctcc
tatgatgtcacagaagaagaagaggaagaaacatctaaattgatggttcaatctgatgtc
atcatagagggaggtgacttgaaaatcagcactccaaaagggataattcacctgcagcct
tctgaagagcacactgaagaaattttgctgaaaccagaatctttctcagtgcatggcact
gatgttccagtcagcaggagggagttcatgactatccttgcaaacgtgaagaggatcctc
ataagagccacatacagcaatgggatgaatgccatctacagactaagaagtgttattatg
gaatctgctgaccacacttcaaggggaagaagagtagcatctgcagtggagttgtgtgag
tgtcctccaggctatgatggtacctcctgtgagtcatgctggcctcgacacaggcgtgtg
aatggcacaatctttggtggggtttgtgcaccatgtacgtgcttcggccatgcagatgtg
tgtgatgacatcacaggagcgtgcctggactgcaaacacaacacagggggtccatattgt
gatagatgcctgcctggcttctatggtgatgcaactaaagggacagctgaagattgtcag
ttgtgtgcttgccccctaaatataccttctaacaactttagcccaacatgtcattttgac
cgacatcgtggattaatgtgtgatgaatgcccagctggctacgtgggaccacgctgtgaa
aggtgtgcagaaggctattttggacaacctctaataccaggaggatcatgccaaccatgc
caatgtaatgacaaccttgacttctctgttcctggcagctgtgacagcttgtctggtgct
tgtctgatatgtaagccaggtacaacaggccaatattgtgagaggtgtgctgatggatat
tttggtgatgctcttcatgcaaggaactgtcagccctgtcactgtcacatgaatggctcc
ttctcagagatctgtgactctcgcacaggccagtgcaagtgtaaagcaaacgttatcggg
cgccgctgtgacatctgcaaacctaactacttctgggccccagaaaagctgttttgtata
ccttgtggctgcagtgctttaggatctgcatcactgcagtgtgatatgttgggaagatgt
atctgcaaatcaggatttatgggcagacactgtgaaatcagcagacagttgcctaaattg
caagaaaatacgggaagcagtcagcagatccgagtacccccgcggaggtggggcaccagc
agtgccggtgggtgcccacgaggcgcttaccggcctgcagctctgcctggaacgttcggc
ttacagtcttccagaggatgtgttccctgcaactgcaactcttttggatccaagtccttt
gactgcgatggagacggacagtgttattgccagcctggagtgacaggaaagaagtgtgac
cgctgtgcacatgggttttacaactttgaagaaggaggctgtactccctgtgagtgttca
cgttttggcaataactgcgatcctgtcagtgggcgctgtatctgccctcccaatactgtt
ggagagatgtgtgacaaatgtgcgccgaatcactggggccataacattgtcagtggctgc
aagccctgtgagtgcagcctcattggagccctaagttctcagtgtgacttaaatacaggc
tgttgcttctgccgtcctgaattctctggagaaaaatgcactgagtgcaggttgggctat
tggaattatccacattgtctcgcctgtcagtgccttctggctggcacagatccacagagc
tgtgatgcagagggaaagtgctcatgcattgatcattctggccaatgcagctgcaaggtt
aatgtggaaggtgtccactgtgacaggtgcaagtctggtacatttggtctctctgccaga
aacccacttggctgcagcagttgctattgctttggcctgactacacagtgcagcgaggca
agggggctcatccgcgtgtgggtgaccttgaagccagagcaaatgattctgccactggtg
gatgaaaagcttcagcgtagcactctttcggggattgcgttccagcctcctgaaatagta
gcaaatatagaacaggtgatgcaggatcttcggtcagaacctgtttactggagacttcca
gagcagtttgagggacgaaagctgaccgcttatggagggaaactgaaatatgccatctac
tttgaagcacgagaagagacaggttttactacttactccccacaagtcatcataagaggt
gggcctcccacaaatacaagaattattgtccggcatatggctgcccctctgattggccag
ctgacaaggcatgaaatagagatgacagagcatgaatgggaatattatggtgatgaccaa
agaaaccctggaccctgggaatattatcatggtaacccaggtctcaataggaccatgtct
caggcagatttcacctggaaacattatggagatgactccagaccaagtagaactgtatcc
cgggaagacttcatgaacgtgttgtatgatgttcattacattcttatcaaggcgactcat
ggcaatatcatgaggcagagcaggatttctgagatctccttggaagttgctgaaagcagc
cctgtgtccgggatggctcctcaggcttacttgatagagaaatgtgactgcccactgggt
tactctggtctgtcctgtgagtcatgctctccaggattttataggcttccacctccacct
acgggacggacacctgctcagtccttaggcacctgtgctgtatgtgagtgtcatggacac
agcactatgtgtgactctgaaacatcaatttgtcaggattgtcagcacaatactgctggt
caccactgtgagaggtgtgctctgggattttatggcactgtccaaggctctccggatgac
tgtcagccttgtgcttgtcccctgtccattcctggtaacaattttagccctacttgtatt
gctgaaggacctagtgactaccgatgtactgcctgcccacctggatacgaaggccagtat
tgccaaaggtgttcttctggctacacaggaaacccacaaattccaggagggtcctgccag
gcatgtgagtgtgatccacatggttctgtgcctgtcccctgtgaccctgtcactgggcag
tgcacttgcaagcctggattcacggggtggaagtgtgctggctgtgagcatcggcatgcg
cgtcatggcacgagatgcatttcttgcgatgatgaatgcacaggactccttctcaatgac
ctggatcggctaaaccagatgatcctgagtgttaaccttagtggtccactgcctgctcca
tataaaatgttacatggttttgagaacatgacacaggaattgaagcatttgctttcacct
cagagagcaccagagagatttcttcagctagcacgagaaaatctggataccttggtgaca
gaaatggatgaactactgacaagagctaccaaggtgacagcagatggtgagcagaccagg
caggatgccgagaggactaatgaccgagcgaaatctcttggacagttcgtcaaaggcatt
ctccaagctgctgaagctgcaaaagaagatgctttaaaactaaatgagacactcagaact
caagataagactttggagaagagtcttccagaactgcagagtgaggctgaaggaatggtc
atagagatgagaaacagagacctcagtgttcaagaaaaaatagctcaagatgagttaaag
agtgcagaagatcttttggacaaggtgaagaaattatttggtgagcccagtgagaaaaat
gaggatctcaaaaatgaggtccgggacaagctggcaagctaccacagcaaagttgctgat
gctcaagatctgctaaaagaagctgcaagtaaaatttgggaggcaaatcatttatctgca
gtcaaccaaaaaaatatgaccatgctagagaaaaggaagcaagctgtagaagatggcaga
caagatgttgaaaagacacttcaggaagggaatgatgtcattaatgaagctgatgaactt
gccaatgacatcagcatagctgtagagtatgtagaaggtgttgcaaataagattcagcca
atgtctgatcagctgaaagataaaatagatgacttatcacaagaaattcgtgacaggatg
cttccagaaaaggtgttgcaagctgagaaccatgcgggccagctgaatgagtcatctgca
gtgctggatggaatccttactgaagcaaaaaatctctctttcaatgccacacgtgctttc
aatgcttatactaacatcaaggattacacagacgaagctgaaagagttgccaaggaagcc
aagactcttgcaaatgaagctatgcaagagacatctggtcctcaaggatcactgaaggat
ggcgccaagagctctcttaagaagagcttcagggtccttaacagagccaagatgttagaa
agtgatgtcaaagaaaatgatgataatctggacagcacacagaacaagctgaaagatgct
gatgagaagaattccattctcttgagggctttgaatgaaaccttaggaaagctgtcagct
attcctaacgatacagccataaaggtacaggcagccaaagacaaagcaagacaagccaat
aatactgcaaatgatgtcctggcccagattaaagacctcaatcggaatctcctgggcttg
agaaaaaactacagtaaacttacagatgatgtggccaaaacaaatgcagttgtgaaggat
ccagtcaagaacaaaatctttgctgatgcagattccagtattaaaaacctagaaaaggaa
gcagatcgcctgctagataaaatcaagccaatcaaagaactccaggataacttagggaaa
aacatttctcagataaaagagctgataaatcaagctcggaagcaagccaattcgatcaaa
gtgtccgtgtcctctggaggcaattgtattcgcacatacagacctgaaataaagaaggga
acatacaacaccatcattgtcaatgtgaagactgtagttgctgacaatctgcttttttac
cttggaagtgccaagtttactgacttcttggccatagagatgcgcaaaggcaaggtgagc
ttcctttgggatgtgggatctggagttggacgggtagaatatccagatctgaccattgat
gatgggttttggtaccggattgaagcctttaggactgggaaaaatggcacaatatcagtg
cgagctctggatggtcctaaagccagcatcgtgccagccacattcagtgcagtctcccca
cctggatataccattttggatgtggatgttaacgctgtgctgtttgttggtggtttaaca
gaaaaaattaagaagtcagatgctgtaagagtcaccaccttcactggctgcatgggggaa
acctttctagacagcaaaccaatcggactctggaatttcagggatatcgaaggcgactgc
aaagggtgtgctgtcagcccacaggtggcagacggtgaaggaacagtgcagtttgatggt
gacagctatgccatggtgagccgcccaatccgctggaaccccaatatttccacagtcacg
ttcaagttcaggaccttctcatcaaatgctctgctgatgtatctcgctactgatgacttg
aaggatttcatgagtgtagaactcagtggtgggcgtataaaggtcagctacgacctgggt
tcaggtacagcttcagttatcagcaaccaaaatcataatgatggcaaatggaaatctttc
accctgtcaagaattctaaagcaagccaacatatcaattgtagacatagacactaatgaa
gaagagaccatagcatcaacttctacaggcagccactttggactcaacttaaaagggcac
gagaaaatatattttgggggattgccaaccctgaggaatctaagtatgaaggcaaggact
gaagtgaacttagagaaatacacaggttgcctcaaagacattgaaatttcaaggacaccc
tataacatattgagcagtcctgactttgttggtctcaccaaaggatgcacactagagaat
attcacacagtcagcttctccaagccaggttttgtggaactgcagccggtctcctttgat
gtgggcacagaaatcaatctctcctttagcaccaggaatgagtctggggtcattttgttt
ggcacaagtggcacaattgtcccccccaggagaaagcgcaggcactctgcaaggaaagct
gctcctctgaagagaaagcgcaggcagacaggacaggcctactatgctgtgttcctgaac
agaggtcggctggaagtgcacgtctccactgggatccgggatccccacagaatcaccgtc
agacctgaggctggcgagttccatgatggcagagcacattccatccggatagagcgagct
agcggaatgttcagtgttcaagtcgacgaagacaaagtccagactcagaggttgccatca
gaccagcccgtctctgttaagaaactctttgtggggggtacatcttctccgtttcagatt
tcccctctcagaaacataccaccatttgaaggctgtatatggaatcttgtcattaatgcc
acccccatggatttcgctcaacccgtgtcctttgaaaatgcagatattggccggtgtccc
acactagaaccagaagttaggccaactgaggatgaagataaaccaactcatgcaacagtt
ctggtccagcctgaaccagacactaacggggagaaagaagggccaagaatccctcctgct
tctcctcctccaacaccatctctatcgtcagcacttggttcgcttgctgctgaaacgaag
agcgccagcctttcttctgcctttgactccataacggattcctgtgctgctgacacagag
ccagccattttagaaggtggcaagcagtttggtctttcaaggaacagccacattgcagtt
gcatttgatgacacccaagtgaaaaacaggcttacaattgaatttgaagtccgaacaaca
gctgattctggcttgctgttttatatggcccgcatcaaccacgctgattttgctacagtt
cagataaagaatggtctgccttacttcagttatgatctgggaagtggaaacaccagcaca
atgattaccaacaaaataaatgatggccagtggcaccagataaaagtaattcgaatgaag
caagaaggaaacctcatagtagatggtgtttctaacgggactgtgagccccaagaaggct
gatatactggatgttgtaggaatgctgtatgtgggaggattgcccattaactacacaacc
aggagaattggtccggtccttcatagcattgatggctgcatcaggaattttaaaatgaca
gaatcacccgttgacctgaataatccaacttccagcttcagtgttggaaaatgctttgtc
tctgcacagaagggaacgtacttcgatggaacaggctttgccaaaacagttggtgcatac
agagtgggaacagatctgcttgtggaatttgaattccgcacaacacgaatgaatggtgtt
ctcctaggagtcagcagccagaaaatggatgggcttggcattgaattagtagatggaaaa
gtgatgtttcacgttgacaatggtgcaggccgattctctgctgtctatgagccagatgca
ccaggcagtttgtgtgatgggcggtggcacaaggttcttgcaaacaagatcaaacaccgc
ttggagctgactgtggatggcagacaggtggagactgacagcccaaacagggcctcaacc
tcggcagacacaaatgaccctctctttgtcggaggctatcctgatggtgtgacccagttt
gggctgacaactaatatccgttttaaaggatgtattcgatttctaaagctcaccaagggt
actgcaaaacctcaagagattaactttagcaaagctttggagctgaagggtgtccagccg
ctgtcgtgccctgcagactga
DBGET
integrated database retrieval system
