Chains and heterogens:
PDB Chain Sequences:
>1riqA (A:) mslsaheirelflsffekkghtrvksaplvpendptllfvnagmvpfknvflglekrpyk ratscqkclrvsgkhndleqvgytsrhhtffemlgnfsfgdyfkkeaieyawefvtevlk lpkeklyvsvykddeeayriwnehigipseriwrlgeednfwqmgdvgpcgpsseiyvdr geeyegderyleiwnlvfmqynrdengvltplphpnidtgmgleriasvlqgknsnfeid iifpliqfgeevsgkkygekfetdvalrviadhlraitfaisdgvipsnegrgyvirril rramrfgyklgienpflykgvdlvvdimkepypelelsrefvkgivkgeekrfiktlkag meyiqeviqkaleegrktlsgkevftaydtygfpvdlideiarekglgidlegfqcelee qrerarkhfkveakkvkpvyshlkelgktsafvgaaalehhhhhh
>1riqA (A:) slsaheirelflsffekkghtrvksaplvpendptllfvnagmvpfknvflglekrpykr atscqkclrvsgkhndleqvgytsrhhtffemlgnfsfgdyfkkeaieyawefvtevlkl pkeklyvsvykddeeayriwnehigipseriwrlgeednfwqmgdvgpcgpsseiyvdrg eeyegderyleiwnlvfmqynrdengvltplphpnidtgmgleriasvlqgknsnfeidi ifpliqfgeevsgkkygekfetdvalrviadhlraitfaisdgvipsnegrgyvirrilr ramrfgyklgienpflykgvdlvvdimkepypelelsrefvkgivkgeekrfiktlkagm eyiqeviqkaleegrktlsgkevftaydtygfpvdlideiarekglgidlegfqceleeq rerarkhpvyshlkelgktsafvgaaal