TABLE 2.

Residues conserved at various percentages across all RubisCO/RLP sequences analyzed

Amino acidPositionConservation at:Description
Spinacia oleracea form I RubisCORhodospirillum rubrum form II RubisCOMethanocaldococcus jannaschii form III RubisCO90%95%100%
Gly122110100XaXX
Asp137125115X
Pro141129119X
Gly150138128XX
Pro151139129XX
Lys175166153XXXProton acceptor/donor
Pro176167154X
Gly179170157XX
Gly195186173X
Gly196187174XX
Asp198188176XX
Lys201191179XXCarbamate, Mg ligand
Asp203193181XXXMg ligand
Glu204194182XMg ligand
Gly233223211XX
His294287269XXGeneral base easing water attack at C3
Gly308302283X
Arg319313294XX
Gly322316297XXX
Gly381370355X
Gly395384369XX
Gly403393377XXP1 phosphate binding
Gly404394378X
Gly405395379XP1 phosphate binding
His409399383X
Gly416406390X
  • a An “X” indicates that the residue is present at the given level of conservation.