怎样从pdb数据库获取rna三级结构
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发布时间:2023-08-01 01:55
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时间:2024-12-12 11:32
一个长度为n的RNA序列R=r1r2…rn 的假
结结构定义为碱基配对集合S={(ri,rj )},其中
(ri,rj)满足以下条件:
(1)(ri,rj)∈{(A,U),(U,A),(G,C),
(C,G),(G,U),(U,G)},1≤i
3;
(2)若(ri,rj)∈S,(rk,rg)∈S,则i =k当且
仅当j =g;
(3)愁(ri1,rj1),(ri2,rj2),…,(rip,rip)∈S,
(rk1,rg1),(rk2,rg2),…,(rkq,rgq)∈S,且ri1 <ri2 <
…<rip <rk1 <…<rkq,则有ri1 <ri2 <ri3 <…<rip
<rk1 <rk2 <…<rkq <rjp <rjp-1 <…rj1 <rgq <rgq-1
<…2或ri1 <ri2 <ri3 <…<rip <rj1 <
rj2 <rj3 <…2