不用做RACE,GenBank有完整序列：
>gi|87196504|ref|NM_173928.2| Bos taurus leptin (LEP),mRNA
CGGCGCCAGCAGCGGCGAGGCCCCAGAAGCCCATCCCGGGAAGGAAAATGCGCTGTGGACCCCTGTATCG
ATTCCTGTGGCTTTGGCCCTATCTGTCTTACGTGGAGGCTGTGCCCATCTGCAAGGTCCAGGATGACACC
AAAACCCTCATCAAGACAATTGTCACCAGGATCAATGACATCTCACACACGCAGTCCGTCTCCTCCAAAC
AGAGGGTCACTGGTTTGGACTTCATCCCTGGGCTCCACCCTCTCCTGAGTTTGTCCAAGATGGACCAGAC
ATTGGCGATCTACCAACAGATCCTCACCAGTCTGCCTTCCAGAAATGTGGTCCAAATATCCAATGACCTG
GAGAACCTCCGGGACCTTCTCCACCTGCTGGCCGCCTCCAAGAGCTGCCCCTTGCCGCAGGTCAGGGCCC
TGGAGAGCTTGGAGAGCTTGGGCGTTGTCCTGGAAGCTTCCCTCTACTCCACCGAGGTGGTGGCCCTGAG
CCGGCTGCAGGGGTCACTACAGGACATGTTGCGGCAGCTGGACCTCAGTCCCGGGTGCTGAAGCCTTGAA
GGCCTCTCTTCCCAAAGTCCAGGGAAGAAACCTGAGCTTCTGGCTGTCCACAGGAGAAGAGAGCCTATGT
GGGCATCCTTTATGCAGGCCAGCGGGCCATTTCTCTCTCGCTCCTCTCAGCTGCTCTTCCAAAGGCAGAA
AACTGCGAGGCAGGAAACCAAAGATATAAATACAGATTCCACGCCCACCGGGAAGGGGGGCCCATCCAGC
AAACACTAGACCGGAGCTGGGATTTTCACAGCAGTCTTCCTCCCTGTTCCAGCTCCCTCTCACTGCATGC
TTCAGCATGACCTGGGGTGATTTCAGAGCCTTTGGACCATCAAGCAAGATTCCCTCTGAGAATCCAGGGA
GCATCATGAAGGCTACAGCACATACAGCTGGATATTCCCACACAACATACGATGGAAGCATTTATTTATT
TATTATGCATTTTATTCTGAATGAATTTGAAGCAAAACACCAGCTCTTCCAGGCTCTTTGGGGTCAGCTG
GGGTGAGGAACGCTCCTGGGGTGCCCATCGACAGGCCTCACTGAGGCAAACCCATTTTGAGTGACTTGAG
GCCTCTCAAGTTTGTTCTCCAGGGACTGGCTTTGTTTCTACTGTGACTGACTTTAAATTACAGTGTTTGC
AATGGCATTGCTCTGAATGGATCTTGAAGGACCAAGTTGTTTTAAAAAGAAGAAGATGAATTTTGTCAAG
TGTAATATATCACTGGGTATAACCCGGAGGTGGGAGATGTGTTGATGGGAGCGGGGGAGATCCAGAATGT
GTTTTCTGAATAACATTTGTGTGATGGACTCTTTGGATGGGGTGAGGTCATCTTCTCATCTTTGTGGTTT
TCATGAAGAGGAGATGACTCCTTCAGGGGATTGTGGGGGTTGGCCAACCATCCATGGATGGAGTGGTGGG
GGCACTGAAGCTGAAGACCGTCGGGGTAGTGGTGAGCTCTGGCCTTCTCTGACTGTTAGAGAGTGGTCTT
GCTCATCAGGAAGTGAGGACCCCACACTGGAGATGGTGACCCCCAGAGCAGGGGTCCTTGGTATGAATGG
TCTGGGTTGACCCCACACTGTGTTGATAACATGGTCGTGACCTTCTTTGGGATTTGCATGCTCACCCAAA
GCAAGGCCATGTTTCCCATCCATTTGGGAAGGATTTTCATTCCAGTGGGAGAGGGAAGTATTCCAGTGTG
GACTTCAGTGGATGGTCCCTCGACCTGGGTCAGCAATGGGTCAGTTGAGGCCCAAGACCCCAGGACCAGC
CCCCAGGAGCCTCCTTCTCACTAGTGGTCATGTGCAGTAGAACAAAAGAGGAGGCTTGGGTTTCCCACCA
ACCTGCCATTGTGATGCAGCCGTCACACAACAGGAGGTGGATCTGTCCAAGGAAATTGGAATCTAAGCAA
CCAATTTTAAGACTGAGCACCTACTTGTGCTCAGCCCCAACTGGTGCTATGGGCTGAGAAGCTCACCAAA
TAAATATTAAAATGCAAGCCCTGCCCTCAGGGACCTTGCATTCCAGATGGCAGAATCCCACTCACCAGCA
TGCAAAGGCTGCCGTTTCACCATGGCAACTGAGCAGCTGAGACAGTGCAGTCCTCAGCAGGTGGGAAATG
CTGAGCTGTGGAGGGCAGTGCCCAGGGGCCTACAGGCTAACTGTGCTTGCACTTGGCAGCAGTTTTACTT
TTCAGGGCACGTCAGCATCTATTACTGTGATGCCACATCCCTTTGAAGCGGGATAGCTAAGAATTTAATA
AGAAGAAAATACCTAAGACCATAACAGCAGACAGGGGGCAGGACCAAGTCTAGAATCCTGGTCCTCTGAC
CTCCAGAGTGCCCCTTGAGCCAGGTGGTAGTCTCTGGAGATGTGAACAAAGTAGGGCAGGGAGGGCAGGA
GTGTTTGCTGGAAGAGAGGAGTTCCGAGGCCAATTTTGCAGGCAGTGAGGGAAGTGAATTGCCTGGAGGG
AGGAGGCTGTTTTGTTTGAAGCTTCGGTCTGAGACACCGAAGGGAGGTGATAGGGTGAGCAGCTAGTTAC
AAAGAAAGGCAGAGGAAGCAAAGATGGGAGGGAAGGGTTATGTTGAAGAGGACTTCAGGGGCCAAGACAT
TTGCTACTGAAAGAGATAAGGGTGAAAAGTTCTAGAACGAGACTCATGTGATGGACAGAGTCAGACCTGC
TCGAGAAGATAAGTCCTGATGATCACAGCCCAGTCAGACCGGGATGTTTTAAGCCTTTTGCTCACAAAAC
CTGGCATGGCACTAGGGCTTGTTCCCAGAGTGTGAAACTTCCAAAATATAAATGATTGTGTTTTTCTGTA
ACTTAAAACAATTTTTTTTTGTTGTTCCAAAAAGTCCAAATAAATGACCTTTGCCCCTTG我要得是方法是考试题下一份Clontech的Smarter RACE试剂盒说明书看看，现在市面上的公司产品很多，RACE的方法也有很多种。