Chains and heterogens:
PDB Chain Sequences:
>1sl3A (A:) dcglrplfekksledkterellesyidgrivegsdaeigmspwqvmlfrkspqellcgas lisdrwvltaahcllyppwdknftendllvrigkhsrtryerniekismlekiyihpryn wrenldrdialmklkkpvafsdyihpvclpdretaasllqagykgrvtgwgnlketwtan vgkgqpsvlqvvnlpiverpvckdstriritdnmfcagykpdegkrgdacegdsggpfvm kspfnnrwyqmgivswgegcdrdgkygfythvfrlkkwiqkvidqfg
>1sl3A (A:) dcglrplfekksledkterellesyiivegsdaeigmspwqvmlfrkspqellcgaslis drwvltaahcllyppwdknftendllvrigkhsrtryerniekismlekiyihprynwre nldrdialmklkkpvafsdyihpvclpdretaasllqagykgrvtgwgnlkegqpsvlqv vnlpiverpvckdstriritdnmfcagykpdegkrgdacegdsggpfvmkspfnnrwyqm givswgegcdrdgkygfythvfrlkkwiqkvidqfg