Correction Appended

DISPLAYING ABSTRACT - Scientists competing to solve the question of how proteins fold themselves into intricate shapes that determine their role in life find that their computers are not up to the task; are forced to confront fundamental questions about the relationship between a scientific model and the reality it is meant to repreent; drawings

Correction: March 28, 1997, Friday

A diagram in Science Times on Tuesday showing the way proteins fold into intricate shapes omitted an attribution. The diagram was based in part on drawings by Irving Geis.

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