Chains and heterogens:
PDB Chain Sequences:
>2al2A (A:) avskvyarsvydsrgnptvevelttekgvfrsivpsgastgvhealemrdgdkskwmgkg vlhavknvndviapafvkanidvkdqkavddflisldgtanksklganailgvslaasra aaaeknvplykhladlsksktspyvlpvpflnvlnggshaggalalqefmiaptgaktfa ealrigsevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgk vkigldcasseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfae ddweawshffktagiqivaddltvtnpkriataiekkaadalllavnqigtlsesikaaq dsfaagwgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelg dnavfagenfhhgdkl
>2al2B (B:) avskvyarsvydsrgnptvevelttekgvfrsivpsgastgvhealemrdgdkskwmgkg vlhavknvndviapafvkadidvkdqkavddflisldgtanksklganailgvslaasra aaaekdvplykhladlsksktspyvlpvpflnvlnggshaggalalqefmiaptgaktfa ealrigsevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgk vkigldcasseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfae ddweawshffktagiqivaddltvtnpkriataiekkaadalllkvnqigtlsesikaaq dsfaagwgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelg dnavfagenfhhgdkl
>2al2B (B:) avskvyarsvydsrgnptvevelttekgvfrsivpsgatgvhealemrdgdkskwmgkgv lhavknvndviapafvkadidvkdqkavddflisldgtanksklganailgvslaasraa aaekdvplykhladlsksktspyvlpvpflnvlnggalalqefmiaptgaktfaealrig sevyhnlksltkkrygasagnvgdeggvapniqtaeealdlivdaikaaghdgkvkigld casseffkdgkydldfknpnsdkskwltgpqladlyhslmkrypivsiedpfaeddweaw shffktagiqivaddltvtnpkriataiekkaadalllkvnqigtlsesikaaqdsfaag wgvmvshrsgetedtfiadlvvglrtgqiktgaparserlaklnqllrieeelgdnavfa genfhhgdkl