Chains and heterogens:
PDB Chain Sequences:
>4bl2A (A:) kdkeinntidaiedknfkqvykdssyisksdngevemterpikiynslgvkdiniqdrki kkvsknkkrvdaqykiktnygnidrnvqfnfvkedgmwkldwdhsviipgmqkdqsihie nlkskrgkildrnnvelantgtayeigivpknvskkdykaiakelsisedyikqqmdqnw vqddtfvplktvkkmdeylsdfakkfhlttnetesrnyplgkatshllgyvgpinseelk qkeykgykddavigkkgleklydkklqhedgyrvtivddnsntiahtliekkkkdgkdiq ltidakvqksiynnmkndygsgtaihpqtgellalvstpsydvypfmygmsneeynklte dkkepllnkfqittspgstqkiltamiglnnktlddktsykidgkgwqkdkswggynvtr yevvngnidlkqaiessdniffarvalelgskkfekgmkklgvgedipsdypfynaqisn knldneilladsgygqgeilinpvqilsiysalenngninaphllkdtknkvwkkniisk eninlltdgmqqvvnkthkediyrsyanligksgtaelkmkqgetgrqigwfisydkdnp nmmmainvkdvqdkgmasynakisgkvydelyengnkkydide
>4bl2A (A:) kdkeinntidaiedknfkqvykdssyisksdngevemterpikiynslgvkdiniqdrki kkvsknkkrvdaqykiktnygnidrnvqfnfvkedgmwkldwdhsviipgmqkdqsihie nlkskrgkildrnnvelantgtayeigivpknvskkdykaiakelsisedyikqqmdqnw vqddtfvplktvkkmdeylsdfakkfhlttnetesrnyplgkatshllgyvgpinseelk qkeykgykddavigkkgleklydkklqhedgyrvtivddnsntiahtliekkkkdgkdiq ltidakvqksiynnmkndygsgtaihpqtgellalvstpsydvypfmygmsneeynklte dkkepllnkfqittspgstqkiltamiglnnktlddktsykidgkgwqkdkswggynvtr yevvngnidlkqaiessdniffarvalelgskkfekgmkklgvgedipsdypfynaqisn knldneilladsgygqgeilinpvqilsiysalenngninaphllkdtknkvwkkniisk eninlltdgmqqvvnkthkediyrsyanligksgtaelkgrqigwfisydkdnpnmmmai nvkdvqdkgmasynakisgkvydelyengnkkydide
>4bl2B (B:) kdkeinntidaiedknfkqvykdssyisksdngevemterpikiynslgvkdiniqdrki kkvsknkkrvdaqykiktnygnidrnvqfnfvkedgmwkldwdhsviipgmqkdqsihie nlkskrgkildrnnvelantgtayeigivpknvskkdykaiakelsisedyikqqmdqnw vqddtfvplktvkkmdeylsdfakkfhlttnetesrnyplgkatshllgyvgpinseelk qkeykgykddavigkkgleklydkklqhedgyrvtivddnsntiahtliekkkkdgkdiq ltidakvqksiynnmkndygsgtaihpqtgellalvstpsydvypfmygmsneeynklte dkkepllnkfqittspgstqkiltamiglnnktlddktsykidgkgwqkdkswggynvtr yevvngnidlkqaiessdniffarvalelgskkfekgmkklgvgedipsdypfynaqisn knldneilladsgygqgeilinpvqilsiysalenngninaphllkdtknkvwkkniisk eninlltdgmqqvvnkthkediyrsyanligksgtaelkmkqgetgrqigwfisydkdnp nmmmainvkdvqdkgmasynakisgkvydelyengnkkydide
>4bl2B (B:) dkeinntidaiedknfkqvykdssyisksdngevemterpikiynslgvkdiniqdrkik kvsknkkrvdaqykiktnygnidrnvqfnfvkedgmwkldwdhsviipgmqkdqsihien lkskrgkildrnnvelantgtayeigivpknvskkdykaiakelsisedyikqqmdqnwv qddtfvplktvkkmdeylsdfakkfhlttnetesrnyplgkatshllgyvgpinseelkq keykgykddavigkkgleklydkklqhedgyrvtivddnsntiahtliekkkkdgkdiql tidakvqksiynnmkndygsgtaihpqtgellalvstpsydvypfmygmsneeynklted kkepllnkfqittspgstqkiltamiglnnktlddktsykidgkgwqkdkswggynvtry evvngnidlkqaiessdniffarvalelgskkfekgmkklgvgedipsdypfynaqisnk nldneilladsgygqgeilinpvqilsiysalenngninaphllkdtknkvwkkniiske ninlltdgmqqvvnkthkediyrsyanligksgtaelktgrqigwfisydkdnpnmmmai nvkdvqdkgmasynakisgkvydelyengnkkydide