Chains and heterogens:
PDB Chain Sequences:
>4h53A (A:) veyrnwskpqcqitgfapfskdnsirlsaggdiwvtrepyvscdpgkcyqfalgqgttld nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig gwstpnsksqvnrqvivdnnnwsgdsgifsvegkscinrcfyvelirgrpqetrvwwtsn sivvfcgtsgtygtgswpdganinfmpi
>4h53B (B:) veyrnwskpqcqitgfapfskdnsirlsaggdiwvtrepyvscdpgkcyqfalgqgttld nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig gwstpnsksqvnrqvivdnnnwsgdsgifsvegkscinrcfyvelirgrpqetrvwwtsn sivvfcgtsgtygtgswpdganinfmpi
>4h53C (C:) veyrnwskpqcqitgfapfskdnsirlsaggdiwvtrepyvscdpgkcyqfalgqgttld nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig gwstpnsksqvnrqvivdnnnwsgdsgifsvegkscinrcfyvelirgrpqetrvwwtsn sivvfcgtsgtygtgswpdganinfmpi
>4h53D (D:) veyrnwskpqcqitgfapfskdnsirlsaggdiwvtrepyvscdpgkcyqfalgqgttld nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig gwstpnsksqvnrqvivdnnnwsgdsgifsvegkscinrcfyvelirgrpqetrvwwtsn sivvfcgtsgtygtgswpdganinfmpi