Chains and heterogens:
PDB Chain Sequences:
>2al1A (A:) avskvyarsvydsrgnptvevelttekgvfrsivpsgastgvhealemrdgdkskwmgkg vlhavknvndviapafvkanidvkdqkavddflisldgtanksklganailgvslaasra aaaeknvplykhladlsksktspyvlpvpflnvlnggshaggalalqefmiaptgaktfa ealrigsevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgk vkigldcasseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfae ddweawshffktagiqivaddltvtnpkriataiekkaadalllkvnqigtlsesikaaq dsfaagwgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelg dnavfagenfhhgdkl
>2al1B (B:) avskvyarsvydsrgnptvevelttekgvfrsivpsgastgvhealemrdgdkskwmgkg vlhavknvndviapafvkanidvkdqkavddflisldgtanksklganailgvslaasra aaaeknvplykhladlsksktspyvlpvpflnvlnggshaggalalqefmiaptgaktfa ealrigsevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgk vkigldcasseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfae ddweawshffktagiqivaddltvtnpkriataiekkaadalllkvnqigtlsesikaaq dsfaagwgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelg dnavfagenfhhgdkl
>2al1B (B:) avskvyarsvydsrgnptvevelttekgvfrsivpsgastgvhealemrdgdkskwmgkg vlhavknvndviapafvkanidvkdqkavddflisldgtanksklganailgvslaasra aaaeknvplykhladlsksktspyvlpvpflnvlnggalalqefmiaptgaktfaealri gsevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgkvkigl dcasseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfaeddwea wshffktagiqivaddltvtnpkriataiekkaadalllkvnqigtlsesikaaqdsfaa gwgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelgdnavf agenfhhgdkl