>3n4d_C mol:protein length:148 Putative tautomeraseXTYTCWSQRIRISREAKQRIAEAITDAHHELAHAPKYLVQVIFNEVEPDSYFIAAQSASENHIWVQATIRSGRTEKQKEELLLRLTQEIALILGIPNEEVWVYITEIPGSNMTEYGRLLMEPGEEEKWFNSLPEGLRERLTELEGSSE