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Table 6 Primers for SDV rHA proteins of H3 A/Perth and 5Cys SDV rHA of H3 A/Texas

From: Modifications of cysteine residues in the transmembrane and cytoplasmic domains of a recombinant hemagglutinin protein prevent cross-linked multimer formation and potency loss

Substitutions (SDV)

Primers (5′ to 3′)

H3 A/Perth

C524S, C528A (Control SDV)

forward

CCTTTGCCATATCATcTTTTTTGCTTgcTGTTGCTTTGTTGGGG

reverse

CCCCAACAAAGCAACAgcAAGCAAAAAAgATGATATGGCAAAGG

C539A, C546A,C549A (3Cys)

forward

GGGGTTCATCATGTGGGCCgcCCAAAAAGGCAACATTAGGgcCAACATTgcCATTTAAGTAAGTACCG

reverse

CGGTACTTACTTAAATGgcAATGTTGgcCCTAATGTTGCCTTTTTGGgcGGCCCACATGATGAACCCC

C539A, C546A, C549A, C524A, C528A (5Cys)*

forward

CCTTTGCCATATCAgcTTTTTTGCTTgcTGTTGCTTTGTTGGGG

reverse

CCCCAACAAAGCAACAgcAAGCAAAAAAgcTGATATGGCAAAGG

C64S,C76S (2Cys)

forward

CCTCATCAGATCCTTGATGGAAAAAACTctACACTAATAGATGCTCTATTGGGAGACCCTCAGTcTGATGGCTTCCAAAATAAGAAATGGG

reverse

CCCATTTCTTATTTTGGAAGCCATCAgACTGAGGGTCTCCCAATAGAGCATCTATTAGTGTagAGTTTTTTCCATCAAGGATCTGATGAGG

H3 A/Texas

C539A, C546A, C549A (3Cys)

forward

CATCATGTGGGCCgcCCAAAAGGGCAACATTAGGgcCAACATTgcCATTTGATAAGTAA

reverse

TTACTTATCAAATGgcAATGTTGgcCCTAATGTTGCCCTTTTGGgcGGCCCACATGATG

C524A, C528A, C539A, C546A, C549A (5Cys)*

forward

TCCTTTGCCATATCAGcTTTTTTGCTTgcTGTTGCTTTGTTGGGG

reverse

CCCCAACAAAgcAACAGCAAGCAAAAAAgCTGATATGGCAAAGGA

  1. *DNA for the corresponding triple mutation (3Cys) was used as the template for the PCR reaction.