>1xi2A (A:) SEQRES residues agkkvlivyahqepksfngslknvavdelsrqgctvtvsdlyamnfepratdkditgtls npevfnygvetheaykqrslasditdeqkkvreadlvifqfplywfsvpailkgwmdrvl cqgfafdipgfydsgllqgklallsvttggtaemytktgvngdsryflwplqhgtlhfcg fkvlapqisfapeiaseeerkgmvaawsqrlqtiwkeepipctahwhfgq