>6bckL (L:) observed residues (from ATOM records)
altqprsvsaspgqsvtisctgthnlvswcqhqpgrapklliydfnkrpsgvpdrfsgsg
sggtasltitglqddddaeyfcwayeafgggtkltvlgqpkaapsvtlfppsseelqank
atlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassylsltpeqwkshr
syscqvthegstvektvap