Amino acids 1 Amino-acids 1 Cofactors 1 Crystal growth 1 Crystals 1 Enzyme catalysis 1 Enzymes 1 Metabolic pathways 1 Microgravity 1 Microgravity processing 1 Mosaicity 1 Neutron diffraction 1 Neutron diffraction data 1 Neutrons 1 Protein crystal growth 1 Pyridoxal 5′-phosphate Space stations 1 Tryptophan Synthase 1 Vitamin B-6 1