Chains and heterogens:
PDB Chain Sequences:
>3vifA (A:) mdvassdtvytfpdefklgaatasyqiegawdengkgpniwdtlthehpdyvvdgatgdi addsyhlykedvkilkelgaqvyrfsiswarvlpeghdnivnqdgidyynnlinellang iepmvtmyhwdlpqalqdlggwpnlvlakysenyarvlfknfgdrvklwltfnepltfmd gyaseigmapsintpgigdylaahtvihahariyhlydqefraeqggkvgislninwcep atnsaedrascenyqqfnlglyahpifteegdypavlkdrvsrnsadegytdsrlpqfta eeveyirgthdflginfytallgksgvegyepsryrdsgviltqdaawpisasswlkvvp wgfrkelnwikneynnppvfitengfsdygglndtgrvhyytehlkemlkaihedgvnvi gytawslmdnfewlrgysekfgiyavdfedparpripkesakvlaeimntrkiperfrdl ehhhhhh
>3vifA (A:) dtvytfpdefklgaatasyqiegawdengkgpniwdtlthehpdyvvdgatgdiaddsyh lykedvkilkelgaqvyrfsiswarvlpeghdnivnqdgidyynnlinellangiepmvt myhwdlpqalqdlggwpnlvlakysenyarvlfknfgdrvklwltfnepltfmdgyasei gmapsintpgigdylaahtvihahariyhlydqefraeqggkvgislninwcepatnsae drascenyqqfnlglyahpifteegdypavlkdrvsrnsadegytdsrlpqftaeeveyi rgthdflginfytallgksgvegyepsryrdsgviltqdaawpisasswlkvvpwgfrke lnwikneynnppvfitengfsdygglndtgrvhyytehlkemlkaihedgvnvigytaws lmdnfewlrgysekfgiyavdfedparpripkesakvlaeimntrkiperfrd