Chains and heterogens:
PDB Chain Sequences:
>3hcaA (A:) msgadrspnagaapdsapgqaavasayqrfepraylrnnyapprgdlcnpngvgpwklrc laqtfatgevsgrtlidigsgptvyqllsacshfeditmtdflevnrqelgrwlqeepga fnwsmysqhacliegkgecwqdkerqlrarvkrvlpidvhqpqplgagspaplpadalvs afclqavspdlasfqraldhittllrpgghllligaleeswylagearltvvpvseeevr ealvrsgykvrdlrtyimpahlqtgvddvkgvffawaqkvglehhhhhh
>3hcaA (A:) asayqrfepraylrnnyapprgdlcnpngvgpwklrclaqtfatgevsgrtlidigsgpt vyqllsacshfeditmtdflevnrqelgrwlqeepgafnwsmysqhacliegkgecwqdk erqlrarvkrvlpidvhqpqplgagspaplpadalvsafclqavspdlasfqraldhitt llrpgghllligaleeswylagearltvvpvseeevrealvrsgykvrdlrtyimpahlq tgvddvkgvffawaqkvg
>3hcaB (B:) msgadrspnagaapdsapgqaavasayqrfepraylrnnyapprgdlcnpngvgpwklrc laqtfatgevsgrtlidigsgptvyqllsacshfeditmtdflevnrqelgrwlqeepga fnwsmysqhacliegkgecwqdkerqlrarvkrvlpidvhqpqplgagspaplpadalvs afclqavspdlasfqraldhittllrpgghllligaleeswylagearltvvpvseeevr ealvrsgykvrdlrtyimpahlqtgvddvkgvffawaqkvglehhhhhh
>3hcaB (B:) pdsapgqaavasayqrfepraylrnnyapprgdlcnpngvgpwklrclaqtfatgevsgr tlidigsgptvyqllsacshfeditmtdflevnrqelgrwlqeepgafnwsmysqhacli egkgecwqdkerqlrarvkrvlpidvhqpqplgagspaplpadalvsafclqavspdlas fqraldhittllrpgghllligaleeswylagearltvvpvseeevrealvrsgykvrdl rtyimpahlqtgvddvkgvffawaqkvg