>3hv1_B mol:protein length:268 Polar amino acid ABC uptake transporter substrate binding proteinMSLRSHFATQKDQWQTYTKEKKIKIGFDATFVPMGYEEKDGSYIGFDIDLANAVFKLYGIDVEWQAIDWDMKETELKNGTIDLIWNGYSVTDERKQSADFTEPYMVNEQVLVTKKSSGIDSVAGMAGKTLGAQAGSSGYDAFNASPKILKDVVANQKVVQYSTFTQALIDLNSGRIDGLLIDRVYANYYLEKSGVLDQYNVMPAGYEGESFAVGARKVDKTLIKKINQGFETLYKNGEFQKISNKWFGEDVATDQVKGKREGHHHHHH