>1ngxB (B:) SEQRES residues qvqllesgaelvkpgasvklsckasgytftsywmhwvkqrpgrglewigridpnsggtky nekfkskatltvdkpsstaymqlssltsedsavyyctrrdsdywgagttvtvssastkgp svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkivpks