Chains and heterogens:
PDB Chain Sequences:
>1l6jA (A:) aprqrqstlvlfpgdlrtnltdrqlaeeylyrygytrvaemrgeskslgpallllqkqls lpetgeldsatlkamrtprcgvpdlgrfqtfegdlkwhhhnitywiqnysedlpravidd afarafalwsavtpltftrvysrdadiviqfgvaehgdgypfdgkdgllahafppgpgiq gdahfdddelwslgkgvvvptrfgnadgaachfpfifegrsysacttdgrsdglpwcstt anydtddrfgfcpserlytrdgnadgkpcqfpfifqgqsysacttdgrsdgyrwcattan ydrdklfgfcptradstvmggnsagelcvfpftflgkeystctsegrgdgrlwcattsnf dsdkkwgfcpdqgyslflvaahefghalgldhssvpealmypmyrftegpplhkddvngi rhlyg
>1l6jA (A:) vlfpgdlrtnltdrqlaeeylyrygytlgpallllqkqlslpetgeldsatlkamrtprc gvpdlgrfqtfegdlkwhhhnitywiqnysedlpraviddafarafalwsavtpltftrv ysrdadiviqfgvaehgdgypfdgkdgllahafppgpgiqgdahfdddelwslgkgvvvp trfgnadgaachfpfifegrsysacttdgrsdglpwcsttanydtddrfgfcpserlytr dgnadgkpcqfpfifqgqsysacttdgrsdgyrwcattanydrdklfgfcptradstvmg gnsagelcvfpftflgkeystctsegrgdgrlwcattsnfdsdkkwgfcpdqgyslflva ahefghalgldhssvpealmypmyrftegpplhkddvngirhlyg