>4rubB (B:) observed residues (from ATOM records)
asvgfkagvkeykltyytpeyqtkdtdilaafrvtpqpgvppeeagaavaaesstgtwtt
vwtdgltsldrykgrcyriervvgekdqyiayvaypldlfeegsvtnmftsivgnvfgfk
alralrledlrippayvktfqgpphgiqverdklnkygrpllgctikpklglsaknygra
vyeclrggldftkddenvnsqpfmrwrdrflfcaealykaqaetgeikghylnatagtce
emikravfarelgvpivmhdyltggftantslahycrdnglllhihramhavidrqknhg
ihfrvlakalrmsggdhihsgtvvgklegerditlgfvdllrddfveqdrsrgiyftqdw
vslpgvlpvasggihvwhmpalteifgddsvlqfgggtlghpwgnapgavanrvaleacv
karnegrdlaqegneiireackwspelaaacevwkeivfnfaavd