>1xkbC (C:) SEQRES residues ivggqeckdgecpwqallineenegfcggtilsefyiltaahclyqakrfkvrvgdrnte qeeggeavhevevvikhnrftketydfdiavlrlktpitfrmnvapaclperdwaestlm tqktgivsgfgrthekgrqstrlkmlevpyvdrnscklsssfiitqnmfcagydtkqeda cqgdsggphvtrfkdtyfvtgivswgegcarkgkygiytkvtaflkwidrsmktr