Lecture 7a - ANNOUNCEMENTS 1 QUIZ 1 MEAN SCORES A 22.6...

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LECTURE 7 ANNOUNCEMENTS 1. QUIZ 1 MEAN SCORES: A 22.6 B 20.6 C 20.7 8. MEET TODAY IN COMSTOCK B106 AT 1:25PM: HOW DO I APPLY TO GRADUATE PROGRAMS? WHAT ARE THEY LOOKING FOR?! 6. RASMOL ASSIGNMENT #2: SECONDARY STRUCTURES. DOWNLOAD NEW INSTRUCTION FILE FROM BLACKBOARD. 7. WATCH TWO VIDEOS! “STERIC HINDRANCE OF A POLYPEPTIDE CHAIN” AND “SECONDARY STRUCTURES IN PROTEINS” 4. QUIZ 2 ON 9/13 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 11/29. 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. PLEASE-- NO ORAL ARGUMENTS , ONLY WRITTEN. WEDNESDAY'S LECTURE: NATURE OF THE α -HELIX, β -SHEET, TURNS TODAY: 5. CAN'T PICK UP YOUR QUIZ AFTER CLASS? FIND IT AT RESERVE DESK, BIO CENTER COLLAGEN STRUCTURE STRUCTURAL DOMAINS 3. ONE STUDENT: NO NAME ON QUIZ, INCORRECT ID NUMBER.
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TURNS TYPE I TYPE II DEFINITION: < 7 ANGSTROM BETWEEN C α (i) AND C α (i+3) MOST TURNS AT PROTEIN SURFACE. SMALL PROTEINS ~ 1/4 OF ALL AA IN TURNS. NAMES: β -TURN, TIGHT TURN, REVERSE TURN VARIOUS “RULES” HAVE BEEN FOUND: α -HELIX, β -SHEET, AND TURNS ACCOUNT FOR ~ 60% OF ALL AA IN PROTEINS. OTHER SECONDARY STRUCTURES?!
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This note was uploaded on 02/19/2008 for the course BIOBM 3310 taught by Professor Feigenson,gw during the Fall '07 term at Cornell.

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Lecture 7a - ANNOUNCEMENTS 1 QUIZ 1 MEAN SCORES A 22.6...

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