7 - ANNOUNCEMENTS 1. QUIZ 1 MEAN SCORES: A 25.5 LECTURE 7 B...

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LECTURE 7 ANNOUNCEMENTS 1. QUIZ 1 MEAN SCORES: A 25.5 B 22.9 C 27.6 5. PyMOL ASSIGNMENT #2: SECONDARY STRUCTURES 6. WATCH TWO VIDEOS! “STERIC HINDRANCE OF A POLYPEPTIDE CHAIN” AND “SECONDARY STRUCTURES IN PROTEINS” 3. QUIZ 2 ON 9/16 WILL COVER LECTURES 4, 5, 6, AND 7. POLICY REMINDER: IF YOU MISSED QUIZ 1 (OR ANY QUIZ), YOU ARE ELIGIBLE TO TAKE THE MAKE-UP QUIZ ON 12/2. 2. RE-GRADE POLICY: SUBMIT A WRITTEN ARGUMENT STAPLED TO YOUR QUIZ. PLACE IT IN THE PURPLE RE-GRADE FOLDER AT THE FRONT OF THE LECTURE HALL. YOU WILL HAVE ONE WEEK TO SUBMIT FOR RE-GRADE, FROM THE TIME QUIZZES ARE RETURNED. NO ORAL ARGUMENTS , ONLY WRITTEN, ATTACHED TO YOUR QUIZ. WEDNESDAY'S LECTURE: NATURE OF THE α -HELIX TODAY: 4. CAN'T PICK UP YOUR QUIZ AFTER CLASS? FIND IT AT RESERVE DESK, BIO CENTER β -SHEET, TURNS THE RAMACHANDRAN MAP 7. TODAY, 3:25PM COMSTOCK B108: WHAT IS EXPECTED OF AN UNDERGRAD RESEARCHER? THE OBSERVED OF PROTEIN FOLDING COLLAGEN STRUCTURE
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SECONDARY STRUCTURE: β SHEETS PARALLEL Φ ~ -60 o to -150 o , Ψ ~ +90 o to o RUNS OF β -SHEET ARE SIDE-BY-SIDE STRANDS, NOT CONTINUOUS SEQUENCE ALL POSSIBLE H-BONDS ARE MADE BETWEEN STRANDS STRANDS ARE SO-CALLED “PARALLEL” OR ELSE “ANTI-PARALLEL” ALL R GROUPS ARE EITHER ABOVE OR BELOW THE PLANE OF THE STRANDS N N N N C C C C
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This note was uploaded on 09/17/2009 for the course BIO G 101-104 taught by Professor Michealbradshaw during the Spring '09 term at Cornell University (Engineering School).

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7 - ANNOUNCEMENTS 1. QUIZ 1 MEAN SCORES: A 25.5 LECTURE 7 B...

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