>1FX3_1|Chains A, B, C, D|PROTEIN-EXPORT PROTEIN SECB|Haemophilus influenzae (727) MSEQKQDVAATEEQQPVLQIQRIYVKDVSFEAPNLPHIFQQEWKPKLGFDLSTETTQVGDDLYEVVLNISVETTLEDSGDVAFICEVKQAGVFTISGLEDVQMAHCLTSQCPNMLFPYARELVSNLVNRGTFPALNLSPVNFDALFVEYMNRQQAENAEEKSEEEQTKH