>4xzwA (A:) observed residues (from ATOM records)
ktpvakngqlqvvgtallnrdgkpfqlrgisthglqwfgqfankdafqtlrddwkanvvr
lamytdpnangyiaqpewlkakvkegveaakelgmyviidwhilndndpnlykeqakrff
aemareygntpnviyeianepngdvtweekirpyadevirtirsidrdnliivgtgtwsq
dvddvasdplpyknimyalhfyagthgqflrdkanyalskgtpifvtewgtsdasgdggv
fldqsrewlkyldsktiswvnwslcdkneasaalrpgadphggwgddhlsdsgrfikakl
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