人肌红蛋白基因外显子一生物信息学分析.docx
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人肌红蛋白基因外显子一生物信息学分析
人肌红蛋白基因外显子一的生物信息学分析
一.Introduction:
Myoglobin,thearticleiscomposedofapeptidechainsandabindingproteinofhemeprostheticgroup,iswithinthemuscleoxygenstorageprotein,itsoxygensaturationoftheellipticisthemainproteinofskeletalmuscleandcardiacmuscle,whenmuscledamage,leakagetothecirculatinginthebloodinmuscletissue,increasetheserumconcentrationofmyoglobin,theindexisusedtodeterminewhethermuscledamage.
二.Purpose:
对人肌红蛋白基因外显子一基因序列使用“Bioedit和DNAMAN、”及相关网站进行GC含量统计、电子酶切、引物设计、基因在人类基因组中的定位、电子克隆及蛋白在细胞内的定位、氨基酸组成统计、分子量、等电点、亲疏水性、信号肽分析(跨膜区域)、二级结构(含保守结构域)及三维结构分析,miR分析,启动子分析等。
其中抗原表位分析、多序列比对和进化分析等。
三.Thenatureandfunctionofmyoglobin:
Nature:
myoglobin=apolypeptidechain+aprostheticgrouppolypeptidechain,composedof153aminoacidresidues
Prostheticgroup:
hemeprostheticgroup
Molecularweight:
16,700
Function:
transportofoxygenandoxygenstoragefunctioninmuscletertiarystructureofmyoglobin
四.Keyword:
肌红蛋白(myoglobin)
五.Implementsandmethods:
采用Bioedit和DNAMAN分析软件工具和在线有关蛋白质和核酸方面的分析软件,分别进行核酸和蛋白质两个方面的分析。
核酸分析首先从pubmed核酸数据库中搜索到人的Myoglobin核酸序列,分别进行序列的基本性质分析,限制性酶谱分析及其基因在染色体上的定位分析。
具体操作方法将根据上述各个软件上“Help”文件进行,基因在染色体上的定位分析根据网页上的操作说明进行。
从pubmed蛋白质数据库中搜索到人的Myoglobin和整个前体Myoglobin蛋白质序列,分别进行蛋白序列的基本性质分析(氨基酸组成、分子量、等电点),亲疏水性分析,蛋白酶切位点分析,信号肽序列分析,二级结构和三维结构分析,同源序列和进化分析。
二级结构分析包括结构功能域、Motif、保守位点等,具体操作方法将根据上述各个软件上“Help”文件和网页上的操作说明进行。
Resluts:
1.从NCBI中可以得到一下有关Myoglobi蛋白分子的信息:
Human myoglobin gene,exon1
GenBank:
LOCUSHUMMGI12552bpDNAlinearPRI07-JAN-1995
DEFINITIONHumanmyoglobingene,exon1.
ACCESSIONM10090
VERSIONGI:
187580
KEYWORDSFokfamilyrepetitivesequence;directrepeat;myoglobin;repeat
region;tandemrepeat.
SEGMENT1of
SOURCEHomosapiens(human)
ORGANISM
Eukaryota;Metazoa;Chordata;Craniata;Vertebrata;Euteleostomi;
Mammalia;Eutheria;Euarchontoglires;Primates;Haplorrhini;
Catarrhini;Hominidae;Homo.
REFERENCE1(bases1to2552)
AUTHORSAkaboshi,E.
TITLECloningofthehumanmyoglobingene
JOURNALGene33(3),241-249(1985)
PUBMED
COMMENTOriginalsourcetext:
Human:
fetalliverDNA(libraryofLawnet
al.),clonelambda-HMB151;delta-thalassemialeukocyteDNA(library
ofKimuraetal.),clonelambda-HMB159.
Draftentryandcomputer-readablecopyofsequence[1]kindly
providedby,22-OCT-1985.
Atandemrepeatsequenceisfoundatposition142-794.Positionof
themRNAcapsitewasdeducedfromthatofthesealmyoglobingene
(Blanchetotetal.1983).
FEATURESLocation/Qualifiers
source1..2552
/organism="Homosapiens"
/mol_type="genomicDNA"
/db_xref="taxon:
"
/map=""
1100..1750
/note="Fokfamilyrepetitiveelement"
1895..>2552
/note="myoglobinmRNAandintron"
join(1965..2552,:
1..2671,:
1..501)
/gene="MB"
join(1965..2059,:
1415..1637,:
355..501)
/gene="MB"
/note="myoglobin"
/codon_start=1
/protein_id=""
/db_xref="GI:
386872"
/translation="MGLSDGEWQLVLNVWGKVEADIPGHGQEVLIRLFKGHPETLEKF
DKFKHLKSEDEMKASEDLKKHGATVLTALGGILKKKGHHEAEIKPLAQSHATKHKIPV
KYLEFISECIIQVLQSKHPGDFGADAEGAMNKALELFRKDMASNYKELGFQG"
<1965..2059
/gene="MB"
/note="myoglobin;G00-119-378"
/number=1
2060..>2552
/gene="MB"
/note="myoglobinintronA"
ORIGIN2bpupstreamofRsaIsite.
1gtactgtattttcattcctcttagttatctccctaaaaagactctgagttccttgaacac
61aggaaggtgttttatttgattttgttatcctcagcatgtagcagtgtctgacacacagta
121ggtgctctatcactgtgagagggatggatggatgggtggagttacagatggatagaagga
181tagatggagggatgggtggatgatggatggatagatggatggaggggggatgatgaatgg
241agggataatgagtggatgaatgagggaatgggtggatggatggatggagggatggaggaa
301cagatagatagatggagggatgggtgggtgatggatggatagatggatggagggagggat
361gatgaatggagggataatgaatggatgaatgaggggatgggtggatggatgaatggaggg
421atgatgggtggatgaatgaattgagggatggatggatgaacacatggatggatggataga
481tggatagatggaggaactggtggattttggatggatgggtggatggatagatgaatgaat
541gcctggatagacaaagagatgatggatagatgaatagatgaattaagggatgtcggatag
601atggagggattgatagatgttggatggatgggtggtggatggatagatgagtgaatgcat
661ggatagacaaagagatgatggatggatgaattaagggatgacagatggatggatggatga
721gtaactggatggacaagtggataaatggatagatggttgaatacctgaatggattgaagg
781aggatgcatggatgtaagataaggctaatcatcctccactctctttctttgcaaaaccat
841ccacccatttactcaataaacatttattcagttcaaacttggcacaaagcaccatgtgag
901gcccaagagatacgtgggttaataaaacagagctcctgccctcctgaaaactgcaaagaa
961aggggcgtggcttcctgagttcaaatcccaactctgccagcgactagctgtacatcagtg
1021atgtttccctactttctctcaattaaatagggataatgtcagtacctatcacattgggag
1081gtcttgcggggattaaatgagttaccaaatgccaagtgtttgggacagggcctggcaccc
1141agcaaagtctcttgtgagtgctggctgctattatcctaatggagaagatggcatgaaaac
1201caggaaataggatgccctttgggaagcaatgcaacaggaacttacacaaagaaaggaaag
1261gaggaagcaattagtggtgtctcaaaggagtatgtcaagaaaaacttttcagagggaaac
1321ctttgagcagggtcatgaaaacaggagttctctaagagattgtggacttgcctgggacca
1381cctggctataagcacaaaaccatccggttcctttctgtcacttctggcgggtgaggggtc
1441tctggcaaaggggcagaaggtgcgtgagaggttgcgaatggccaggactgtcctggggcc
1501agccggggcacctggtggccaagcttagaaacatgacaggtcctcttgggagggctgacc
1561gcagggagcgttgggtttcaggctgctggcgtcggcttctgtggtgccctttctgtcggc
1621tatgagagtccagacagtgcccaacctcctccccttctttccacacgcacaaccacccca
1681ccccctgtggcctgagctgtcctgcctcgccacaatggcacctgccctaaaatagcttcc
1741catgtgagggctagagaaaggaaaagattagaccctccctggatgagagagagaaagtga
1801aggagggcaggggagggggacagcgagccattgagcgatctttgtcaagcatcccagaag
1861gtataaaaacgcccttgggaccaggcagcctcaaaccccagctgttggggccaggacacc
1921cagtgagcccatacttgctctttttgtcttcttcagactgcgccatggggctcagcgacg
1981gggaatggcagttggtgctgaacgtctgggggaaggtggaggctgacatcccaggccatg
2041ggcaggaagtcctcatcaggtaaaaggaagagattccattgcccctgccacccacaccct
2101aagatcaagggtgttcagctgcaaggtggaaagtttgcacgtggggtaggtcagttggct
2161gcattagttaagggtgttagaacggtcacttgctttttctttgcttttaagtgtcaggga
2221ttggactcaggagagggaaaggagccatttcaggctgatgtcagcagctggaggaagcat
2281gagaatcaaacctaggatgctcagagtccaccaggaagaattttagaattatagacagtc
2341agagttaacaagggtcctgagagattttgtacagccacctctcttacaggatgaggacaa
2401aaagcgactgagaaggggaggacatttccagagtcacagctcattaaatgctcttaaagt
2461gtcaaggttaagacatgctcttcaaggggagacagatctggttctagacttggctctgcc
2521actgagccactgggtgacctttgggaaggtac
OfficialSymbolMBprovidedby
OfficialFullNamemyoglobinprovidedby
Primarysource:
Locustag:
Seerelated:
Genetype:
proteincoding
Refsepstatus:
REVIEWED
Organism:
Lineage:
Eukaryota;Metazoa;Chordata;Craniata;Vertebrata;Euteleostomi;Mammalia;Eutheria;Euarchontoglires;Primates;Haplorrhini;Catarrhini;Hominidae;Homo
Alsoknownas:
PVALB
Location:
Sequence:
Chromosome:
22;(..,complement)
SeeMBin ,
Chromosome22-
GenomicSequence
Gotonucleotide
:
36M..36M (22Kbp)C
FindonSequence:
-
+
Tools
Configure
2.利用Primer软件对myoglobin核酸序列进行引物设计其结果如下:
Senseprimer:
5'TACTCGTGCCTTTCGTACTAGGCTC3'
Anti-senseprimer:
5'ATGAGCACGGAAAGCATGATCCGAG3'
3.蛋白质序列分析
利用ExPASy软件包对该基因进行氨基酸组成统计、分子量、等电点等分析及磷酸化分析