comparative polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulphate ( sds-page ) , using thin gradient gel slabs , of proteins obtained from each stage , demonstrated that the profile of surface-labelled proteins of t. pseudospiralis were restricted in number , stage specific , and similar to equivalent proteins of t. spiralis both in size and in their organization into aggregates .
C0025252
surface
C0033684
proteins