HEADER PLANT PROTEIN 28-MAR-01 1IB9 TITLE SOLUTION STRUCTURE OF MCOTI-II, A MACROCYCLIC TRYPSIN TITLE 2 INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN INHIBITOR II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MCOTI-II SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOMORDICA COCHINCHINENSIS; SOURCE 3 ORGANISM_COMMON: SPINY BITTER CUCUMBER; SOURCE 4 ORGANISM_TAXID: 3674; SOURCE 5 OTHER_DETAILS: THE PROTEIN IS ISOLATED FROM THE SEEDS SOURCE 6 USING SODIUM ACETATE. KEYWDS CYCLIC CYSTINE KNOT, CYCLOTIDE, CIRCULAR PROTEIN, BETA- KEYWDS 2 HAIRPIN, PLANT PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.E.FELIZMENIO-QUIMIO,N.L.DALY,D.J.CRAIK REVDAT 3 24-FEB-09 1IB9 1 VERSN REVDAT 2 01-APR-03 1IB9 1 JRNL REVDAT 1 18-JUL-01 1IB9 0 JRNL AUTH M.E.FELIZMENIO-QUIMIO,N.L.DALY,D.J.CRAIK JRNL TITL CIRCULAR PROTEINS IN PLANTS: SOLUTION STRUCTURE OF JRNL TITL 2 A NOVEL MACROCYCLIC TRYPSIN INHIBITOR FROM JRNL TITL 3 MOMORDICA COCHINCHINENSIS. JRNL REF J.BIOL.CHEM. V. 276 22875 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11292835 JRNL DOI 10.1074/JBC.M101666200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL REMARK 3 OF 420 RESTRAINTS, 383 ARE NOE-DERIVED, 25 DIHEDRAL ANGLE REMARK 3 RESTRAINTS AND 12 FROM HYDROGEN BONDS. REMARK 4 REMARK 4 1IB9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB013122. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM MCOTI-II, 90% H2O, 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, E-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, XEASY 1.3.7, REMARK 210 DYANA 1.5, X-PLOR 3.851 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : THE SUBMITTED CONFORMER REMARK 210 MODELS ARE THOSE WITH THE REMARK 210 FEWEST NUMBER OF RESTRAINT REMARK 210 VIOLATIONS. REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 17 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 N SER A 1 C GLY A 34 1.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 1 CYS A 33 CA - CB - SG ANGL. DEV. = 8.8 DEGREES REMARK 500 2 CYS A 33 CA - CB - SG ANGL. DEV. = 10.6 DEGREES REMARK 500 3 CYS A 33 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 4 CYS A 33 CA - CB - SG ANGL. DEV. = 8.7 DEGREES REMARK 500 5 CYS A 33 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 6 CYS A 33 CA - CB - SG ANGL. DEV. = 9.7 DEGREES REMARK 500 7 CYS A 33 CA - CB - SG ANGL. DEV. = 8.4 DEGREES REMARK 500 8 CYS A 33 CA - CB - SG ANGL. DEV. = 10.6 DEGREES REMARK 500 9 CYS A 33 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 10 CYS A 33 CA - CB - SG ANGL. DEV. = 10.8 DEGREES REMARK 500 11 CYS A 33 CA - CB - SG ANGL. DEV. = 11.4 DEGREES REMARK 500 12 CYS A 33 CA - CB - SG ANGL. DEV. = 9.8 DEGREES REMARK 500 13 CYS A 33 CA - CB - SG ANGL. DEV. = 10.7 DEGREES REMARK 500 14 CYS A 33 CA - CB - SG ANGL. DEV. = 8.9 DEGREES REMARK 500 15 CYS A 33 CA - CB - SG ANGL. DEV. = 10.2 DEGREES REMARK 500 16 CYS A 33 CA - CB - SG ANGL. DEV. = 9.3 DEGREES REMARK 500 17 CYS A 33 CA - CB - SG ANGL. DEV. = 10.7 DEGREES REMARK 500 18 CYS A 33 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 19 CYS A 33 CA - CB - SG ANGL. DEV. = 10.5 DEGREES REMARK 500 20 CYS A 33 CA - CB - SG ANGL. DEV. = 9.2 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 PRO A 9 -159.81 -70.48 REMARK 500 1 LEU A 12 24.26 -162.64 REMARK 500 1 CYS A 33 159.81 -40.69 REMARK 500 2 LYS A 10 108.14 -59.04 REMARK 500 2 LEU A 12 41.56 -107.27 REMARK 500 3 LEU A 12 36.78 -87.19 REMARK 500 3 CYS A 33 164.91 -37.71 REMARK 500 4 PRO A 9 -167.89 -68.98 REMARK 500 4 LEU A 12 46.02 -94.84 REMARK 500 4 CYS A 33 155.39 -37.31 REMARK 500 5 SER A 3 -136.00 -150.25 REMARK 500 5 PRO A 9 102.24 -54.62 REMARK 500 5 LYS A 10 83.12 -63.65 REMARK 500 5 ILE A 26 -168.54 -122.91 REMARK 500 5 CYS A 33 154.73 -40.93 REMARK 500 6 ASP A 4 -22.88 69.33 REMARK 500 6 PRO A 9 -161.12 -65.01 REMARK 500 6 LEU A 12 21.25 -173.79 REMARK 500 6 CYS A 33 153.23 -41.14 REMARK 500 7 SER A 3 -133.33 -89.91 REMARK 500 7 LEU A 12 38.32 -89.83 REMARK 500 7 CYS A 33 153.44 -39.95 REMARK 500 8 PRO A 9 87.35 -56.45 REMARK 500 8 LEU A 12 39.77 -86.13 REMARK 500 8 CYS A 33 150.10 -46.10 REMARK 500 9 SER A 3 -48.83 -150.29 REMARK 500 9 ILE A 26 -159.99 -131.04 REMARK 500 9 CYS A 33 158.10 -40.62 REMARK 500 10 SER A 3 -16.67 -142.32 REMARK 500 10 VAL A 7 44.12 -92.16 REMARK 500 10 LEU A 12 49.60 -104.96 REMARK 500 10 CYS A 33 161.15 -46.78 REMARK 500 11 SER A 19 32.52 -86.75 REMARK 500 11 CYS A 33 153.89 -48.43 REMARK 500 12 SER A 3 -152.76 -150.56 REMARK 500 12 VAL A 7 37.86 -90.06 REMARK 500 12 PRO A 9 -157.81 -64.35 REMARK 500 12 LYS A 10 33.00 -143.18 REMARK 500 12 SER A 19 20.88 -79.62 REMARK 500 12 CYS A 33 157.24 -47.60 REMARK 500 13 SER A 3 -148.02 -89.78 REMARK 500 13 PRO A 9 95.41 -64.20 REMARK 500 13 LEU A 12 81.96 -67.30 REMARK 500 13 CYS A 33 154.35 -44.49 REMARK 500 14 CYS A 33 152.29 -41.22 REMARK 500 15 LYS A 14 144.40 -36.32 REMARK 500 15 ARG A 16 -63.46 -91.48 REMARK 500 15 ARG A 28 170.04 -59.08 REMARK 500 16 PRO A 9 28.03 -79.67 REMARK 500 16 LEU A 12 70.25 -62.96 REMARK 500 16 ILE A 26 -169.78 -121.31 REMARK 500 17 SER A 3 -115.29 -89.47 REMARK 500 17 VAL A 7 48.85 -94.24 REMARK 500 18 SER A 3 -127.18 -150.99 REMARK 500 18 LEU A 12 39.43 -86.65 REMARK 500 18 ILE A 26 -159.93 -130.94 REMARK 500 18 CYS A 33 148.25 -36.03 REMARK 500 19 SER A 3 -135.22 -150.36 REMARK 500 19 VAL A 7 48.65 -92.22 REMARK 500 19 LEU A 12 47.30 -103.73 REMARK 500 19 CYS A 25 151.73 -49.30 REMARK 500 19 CYS A 33 152.93 -48.67 REMARK 500 20 VAL A 7 46.48 -93.62 REMARK 500 20 LEU A 12 86.33 -67.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 CYS A 8 PRO A 9 8 142.10 REMARK 500 REMARK 500 REMARK: NULL DBREF 1IB9 A 1 34 UNP P82409 ITR2_MOMCO 1 34 SEQRES 1 A 34 SER GLY SER ASP GLY GLY VAL CYS PRO LYS ILE LEU LYS SEQRES 2 A 34 LYS CYS ARG ARG ASP SER ASP CYS PRO GLY ALA CYS ILE SEQRES 3 A 34 CYS ARG GLY ASN GLY TYR CYS GLY HELIX 1 1 ARG A 17 CYS A 21 5 5 SHEET 1 A 2 ILE A 26 CYS A 27 0 SHEET 2 A 2 CYS A 33 GLY A 34 -1 N GLY A 34 O ILE A 26 SSBOND 1 CYS A 8 CYS A 25 1555 1555 2.02 SSBOND 2 CYS A 15 CYS A 27 1555 1555 2.02 SSBOND 3 CYS A 21 CYS A 33 1555 1555 2.01 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 193 0 0 1 2 0 0 6 0 0 0 3 END