>1rj4C (C:) observed residues (from ATOM records) nlvettckntpnyqlclktllsdkrsatgdittlalimvdaikakanqaavtisklrhsn ppaawkgplkncafsykviltaslpeaiealtkgdpkfaedgmvgssgdaqeceeyfkgs kspfsalniavhelsdvgraivrnll