Chains and heterogens:
PDB Chain Sequences:
>1g37A (A:) adcglrplfekksledkterellesyidgrivegsdaeigmspwqvmlfrkspqellcga slisdrwvltaahcllyppwdknftendllvrigkhsrtryerniekismlekiyihpry nwrenldrdialmklkkpvafsdyihpvclpdretaasllqagykgrvtgwgnlketwta nvgkgqpsvlqvvnlpiverpvckdstriritdnmfcagykpdegkrgdacegdsggpfv mkspfnnrwyqmgivswgegcdrdgkygfythvfrlkkwiqkvidqf
>1g37A (A:) adcglrplfekksledkterellesyiivegsdaeigmspwqvmlfrkspqellcgasli sdrwvltaahcllyppwdknftendllvrigkhsrtryerniekismlekiyihprynwr enldrdialmklkkpvafsdyihpvclpdretaasllqagykgrvtgwgnlketgqpsvl qvvnlpiverpvckdstriritdnmfcagykpdegkrgdacegdsggpfvmkspfnnrwy qmgivswgegcdrdgkygfythvfrlkkwiqkvidqf