Chains and heterogens:
PDB Chain Sequences:
>4h52A (A:) veyrnwskpqcqitgfapfskdnsirlsaggdiwvtrepyvscdpgkcyqfalgqgttld nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig gwstpnsksqvnrqvivdnnnwsgysgifsvegkscinrcfyvelirgrpqetrvwwtsn sivvfcgtsgtygtgswpdganinfmpi