Chains and heterogens:
PDB Chain Sequences:
>1crlA (A:) aptatlangdtitglnaiineaflgipfaeppvgnlrfkdpvpysgsldgqkftsygpsc mqqnpegtyeenlpkaaldlvmqskvfeavspssedcltinvvrppgtkaganlpvmlwi fgggfevggtstfppaqmitksiamgkpiihvsvnyrvsswgflagdeikaegsanaglk dqrlgmqwvadniaafggdptkvtifgesagsmsvmchilwndgdntykgkplfragimq sgamvpsdavdgiygneifdllasnagcgsasdklaclrgvssdtledatnntpgflays slrlsylprpdgvnitddmyalvregkyanipviigdqndegtffgtsslnvttdaqare yfkqsfvhasdaeidtlmtaypgditqgspfdtgilnaltpqfkrisavlgdlgftlarr yflnhytggtkysflskqlsglpvlgtfhsndivfqdyllgsgsliynnafiafatdldp ntagllvkwpeytsssqsgnnlmminalglytgkdnfrtagydalfsnppsffv