>2ccaA (A:) observed residues (from ATOM records)
mkypvegggnqdwwpnrlnlkvlhqnpavadpmgaafdyaaevatidvdaltrdieevmt
tsqpwwpadyghygplfirmawhaagtyrihdgrggagggmqrfaplnswpdnasldkar
rllwpvkkkygkklswadlivfagncalesmgfktfgfgfgrvdqwepdevywgkeatwl
gderysgkrdlenplaavqmgliyvnpegpngnpdpmaaavdiretfrrmamndvetaal
ivgghtfgkthgagpadlvgpepeaapleqmglgwkssygtgtgkdaitsgievvwtntp
tkwdnsfleilygyeweltkspagawqytakdgagagtipdpfggpgrsptmlatdlslr
vdpiyeritrrwlehpeeladefakawyklihrdmgpvarylgplvpkqtllwqdpvpav
shdlvgeaeiaslksqirasgltvsqlvstawaaassfrgsdkrgganggrirlqpqvgw
evndpdgdlrkvirtleeiqesfnsaapgnikvsfadlvvlggcaaiekaakaaghnitv
pftpgrtdasqeqtdvesfavlepkadgfrnylgkgnplpaeymlldkanlltlsapemt
vlvgglrvlganykrlplgvfteasesltndffvnlldmgitwepspaddgtyqgkdgsg
kvkwtgsrvdlvfgsnselralvevygaddaqpkfvqdfvaawdkvmnldrfdvr