scyllo-inosamine-4-phosphate amidinotransferase activity

uniprot-protein:A4X5N0, uniprot-protein:A8M6N0, uniprot-protein:C6WFN3, uniprot-protein:D3F7K5, uniprot-protein:D8EXR6, uniprot-protein:D8FU31, uniprot-protein:G0Q7L2, uniprot-protein:G0Q7L9, uniprot-protein:P08078, uniprot-protein:P29780, uniprot-protein:Q53IC9, uniprot-protein:Q53ID6, uniprot-protein:Q54258, uniprot-protein:Q54264