Chains and heterogens:
PDB Chain Sequences:
>1ezxA (A:) nkitpnlaefafslyrqlahqsnstniffspvsiatafamlslgtkadthdeileglnfn lteipeaqihegfqellrtlnqpdsqlqlttgnglflseglklvdkfledvkklyhseaf tvnfgdteeakkqindyvekgtqgkivdlvkeldrdtvfalvnyiffkgkwerpfevkdt eeedfhvdqvttvkvpmmkrlgmfniqhckklsswvllmkylgnataifflpdegklqhl enelthdiitkflenedrrsaslhlpklsitgtydlksvlgqlgitkvfsngadlsgvte eaplklskavhkavltidekgteaagamfleaipm
>1ezxB (B:) sippevkfnkpfvflmieqntksplfmgkvvnptqk
>1ezxC (C:) cggslinsqwvvsaahcyksgiqvrlgedninvvegneqfisasksivhpsynsntlnnd imliklksaaslnsrvasislptscasagtqclisgwgntkssgtsypdvlkclkapils dsscksaypgqitsnmfcagyleggkdscqgdsggpvvcsgklqgivswgsgcaqknkpg vytkvcnyvswikqtiasn
>1ezxC (C:) cggslinsqwvvsaahcyksasksivhpsynsntlnndimliklkislptscasagtqcl iclkapilsdsscksaypgqitsnmfcagylcqgdsggpvvcsgklqgivswgsgcaqkp gvytkvcnyvswikqtiasn