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It has been described in publications as the Sarkosyl-insoluble COMC (Chlamydia outer membrane complex), and serves as the functional equivalent of peptidoglycan"}],"commentType":"FUNCTION"},{"texts":[{"evidences":[{"evidenceCode":"ECO:0000269","source":"PubMed","id":"2050637"}],"value":"Part of a disulfide cross-linked outer membrane complex (COMC) composed of the major outer membrane porin (MOMP), the small cysteine-rich protein (omcA) and the large cysteine-rich periplasmic protein (omcB)"}],"commentType":"SUBUNIT"},{"commentType":"SUBCELLULAR LOCATION","subcellularLocations":[{"location":{"evidences":[{"evidenceCode":"ECO:0000305","source":"PubMed","id":"7532170"}],"value":"Periplasm","id":"SL-0200"}}]},{"texts":[{"evidences":[{"evidenceCode":"ECO:0000305"}],"value":"Was thought to be an outer membrane protein as it is part of a disulfide cross-linked complex that is insoluble in the detergent Sarkosyl. In PubMed:7532170 it was shown to likely be periplasmic"}],"commentType":"CAUTION"}],"features":[{"type":"Signal","location":{"start":{"value":1,"modifier":"EXACT"},"end":{"value":22,"modifier":"EXACT"}},"description":""},{"type":"Propeptide","location":{"start":{"value":23,"modifier":"EXACT"},"end":{"value":40,"modifier":"EXACT"}},"description":"","featureId":"PRO_0000410953"},{"type":"Chain","location":{"start":{"value":41,"modifier":"EXACT"},"end":{"value":557,"modifier":"EXACT"}},"description":"Large cysteine-rich periplasmic protein omcB-alpha","featureId":"PRO_0000410954"},{"type":"Chain","location":{"start":{"value":58,"modifier":"EXACT"},"end":{"value":557,"modifier":"EXACT"}},"description":"Large cysteine-rich periplasmic protein omcB-beta","featureId":"PRO_0000410955"}],"keywords":[{"id":"KW-0133","category":"Biological process","name":"Cell shape"},{"id":"KW-1015","category":"PTM","name":"Disulfide bond"},{"id":"KW-0574","category":"Cellular component","name":"Periplasm"},{"id":"KW-0732","category":"Domain","name":"Signal"}],"references":[{"referenceNumber":1,"citation":{"id":"2050637","citationType":"journal article","authors":["Everett K.D.E.","Hatch T.P."],"citationCrossReferences":[{"database":"PubMed","id":"2050637"},{"database":"DOI","id":"10.1128/jb.173.12.3821-3830.1991"}],"title":"Sequence analysis and lipid modification of the cysteine-rich envelope proteins of Chlamydia psittaci 6BC.","publicationDate":"1991","journal":"J. 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