PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15606760-2 2004 We identified two residues of GAPDH involved in protein-protein interactions in this complex, by changing residues K128 and R197 into A or E. K128A/E mutants had a Km for NADH that was twice that of the wild type and a lower catalytic constant, whatever the cofactor. NAD 171-175 uncharacterized protein Chlamydomonas reinhardtii 30-35