Chains and heterogens:
PDB Chain Sequences:
>1ekxA (A:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfe tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqetqgrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampqyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>1ekxB (B:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfe tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqetqgrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampqyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdl
>1ekxC (C:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfe tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqetqgrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampqyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdl