>4hblB (B:) observed residues (from ATOM records) namkqeqmrlanqlcfsaynvsrlfaqfyekklkqfgitysqylvmltlweenpqtlnsi grhldlssntltpmlkrleqsgwvkrerqqliitltdngqqqqeavfeaissclpqefdt teydetkyvfeeleqtlkhli