>4uw3A (A:) observed residues (from ATOM records)
nvphksslpegirpgtvlrirglvppnasrfhvnllcgeeqgsdaalhfnprldtsevvf
nskeqgswgreergpgvpfqrgqpfevliiasddgfkavvgdaqyhhfrhrlplarvrlv
evggdvqldsvrif