>3b99_A mol:protein length:475 Prostaglandin I2 synthaseMAKKTSSVLYGRRTRRRNEPPLDKGMIPWLGHALEFGKDAAKFLTRMKEKHGDIFTVRAAGLYITVLLDSNCYDAVLSDVASLDQTSYAQVLMKRIFNMILPSHNPESEKKRAEMHFQGASLTQLSNSMQNNLRLLMTPSEMGLKTSEWKKDGLFNLCYSLLFKTGYLTVFGAENNNSAALTQIYEEFRRFDKLLPKLARTTVNKEEKQIASAAREKLWKWLTPSGLDRKPREQSWLGSYVKQLQDEGIDAEMQRRAMLLQLWVTQGNAGPAAFWVMGYLLTHPEALRAVREEIQGGKHLRLEERQKNTPVFDSVLWETLRLTAAALITRDVTQDKKICLSNGQEYHLRRGDRLCVFPFISPQMDPQIHQQPEMFQFDRFLNADRTEKKDFFKNGARVKYPSVPWGTEDNLCPGRHFAVHAIKELVFTILTRFDVELCDKNATVPLVDPSRYGFGILQPAGDLEIRYRIRFHHHH