通过mgenthreader进行折叠相似搜索
http://bioinf4.cs.ucl.ac.uk:3000/psipred/result/49728
结构比对图:
经过NCBI查询,3bisA与3bikA为相同的序列,即3BIS与3BIK他们的A 链相同,信息如下:
http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=protein&dopt=GenPept&RID=Z1P9NW9B01N&log$=prottop&blast_rank=2&list_uids=168988884
PDB: 3BISA
Chain A, Crystal Structure Of The Pd-L1
>gi|168988887|pdb|3BIS|A Chain A, Crystal Structure Of The Pd-L1 AFTVTVPKDLYVVEYGSNMTIECKFPVEKQLDLAALIVYWEMEDKNIIQFVHGEEDLKVQHSSYRQRARL LKDQLSLGNAALQITDVKLQDAGVYRCMISYGGADYKRITVKVNAPYNKINQRILVVDPVTSEHELTCQA EGYPKAEVIWTSSDHQVLSGKTTTTNSKREEKLFNVTSTLRINTTTNEIFYCTFRRLDPEENHTAELVIP ELPLAHPPNERT
PDB: 3BIKA
Chain A, Crystal Structure Of The Pd-1PD-L1 Complex
>gi|168988884|pdb|3BIK|A Chain A, Crystal Structure Of The Pd-1PD-L1 Complex AFTVTVPKDLYVVEYGSNMTIECKFPVEKQLDLAALIVYWEMEDKNIIQFVHGEEDLKVQHSSYRQRARL LKDQLSLGNAALQITDVKLQDAGVYRCMISYGGADYKRITVKVNAPYNKINQRILVVDPVTSEHELTCQA EGYPKAEVIWTSSDHQVLSGKTTTTNSKREEKLFNVTSTLRINTTTNEIFYCTFRRLDPEENHTAELVIP ELPLAHPPNERT
通过Modeller进行蛋白三维模拟
http://www.uohyd.ernet.in/modellergui/
(一)、3bik.pdb为模板(DOPE score较下面低,理论上好点)
首先以下载的3bik.pdb为模板,进行建模,结果如下:
此图黄色区域结构显示的是3bik中A链的三维结构
当以上面的3bik为模板,对human_b7h3_2ig_cyt-out序列进行三维建模,结果如下: 第一步:perform alignment result:
_aln.pos 10 20 30 40 50 60
template1A AFTVTVPKDLYVVEYGSNMTIECKFPVEKQLDLAALIVYWEMEDKNIIQFVHGEEDLKVQHSSYRQ query -LEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQL--TDTKQLVHSFAEGQDQGSAYAN _consrvd * ** * * * * * * * ** * * * ** * * * _helix 99999 _beta 99999999999999999 999999999 999999
_aln.pos 70 80 90 100 110 120 130
template1A RARLLKDQLSLGNAALQITDVKLQDAGVYRCMISYGGADYKRITVKVNAPYNKINQRILVVDPV-- query RTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRP _consrvd * * * * *** * * * * * * * *** * _helix 99999999
_beta 9999999 9999999999 999999999999 9999999999
_aln.pos 140 150 160 170 180 190
template1A TSEHELTCQA-EGYPKAEVIWTSSDHQVLSGKTTTTNSKREEKLFNVTSTLRINTTTNEIFYCTFR query GDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVR _consrvd ** *** *** * * * ** * ** * * ** * * * _helix
_beta 999999999 999 999999999 99999999 999999999999 999999999
_aln.pos 200 210 220 template1A RLDPEENHTAELVIPE--L----- query NPVLQQDAHGSVTITGQPMTFPPE _consrvd * _helix
_beta 99 999999999999
相关推荐: