>7tvp_A mol:protein length:225 Viral chitosanase V-Csn E157Q mutant chitotriose complexHMSELSEIDSVAGVTIYSVDGEPKSFVYKAGFAIDADGAPNAYAPNNGGTDFTANGGDDQGGDWWGGPVDAEGYPIKQKIFDPFPGYYVSATAHFNPAYSEDSPYRYIDSNSIPFIVLPGNHSNGAKLGDVALVYNEKTGDNCYAIYGDVGPSSKIGQGSVRLAQALKIDDNPKAGGTESRIVVTLVFPGSVGKWETPKRWFSHANQLTKAWGGLSRLKTLSDQL