Chains and heterogens:
PDB Chain Sequences:
>1itcA (A:) avngkgmnpdykaylmaplkkipevtnwetfendlrwakqngfyaitvdfwwgdmekngd qqfdfsyaqrfaqsvknagmkmipiisthqcggnvgddcnvpipswvwnqksddslyfks etgtvnketlnplasdvirkeygelytafaaamkpykdviakiylsggpagalrypsytt sdgtgypsrgkfqaytefakskfrlwvlnkygslnevnkawgtkliselailppsdgeqf lmngylsmygkdylewyqgilenhtkligelahnafdttfqvpigakiagvhwqynnpti phgaekpagyndyshlldafksakldvtftclemtdkgsypeysmpktlvqniatlanek givlngenalsigneeeykrvaemafnynfagftllryqdvmynnslmgkfkdllgvtpv mqtivvknvpttigdtvyitgnraelgswdtkqypiqlyydshsndwrgnvvlpaernie fkafikskdgtvkswqtiqqswnpvplkttshtssw