>1pckB (B:) observed residues (from ATOM records) kflviagpcaieseelllkvgeeikrlsekfkevefvfkssfdkanrssihsfrghgley gvkalrkvkeefglkittdiheswqaepvaevadiiqipaflcrqtdlllaaaktgravn vkkgqflapwdtknvveklkfggakeiyltergttfgynnlvvdfrslpimkqwakviyd athsvqlpggmrefifpliraavavgcdgvfmethpepekalsdastqlplsqlegiiea ileirevaskyyeti