traF Plasmid transfer protein traF TRAF4_ECOLX Required for donor-specific phage sensitivity. May be involved in pilus assembly. 177 MSRFQRLTKYVAIGGGAALLLAGAAYLAGAKVNTTKSIPVGLYWKSNAPVEKGAYVMFCPPQVGVFSDAKERGYIAGGFCPGDYGYMMKRVLAAKGDEVAITDAGVRVNGGLLPHSALIKADPSGRPLPRYQSDSYTLGTAEVLLMSDVSDTSFDGRYFGPVNRSQIITVIRPVLTW