HEADER UNKNOWN FUNCTION 01-JAN-13 2M2R TITLE SOLUTION STRUCTURE OF MCH-2: A NOVEL INHIBITOR CYSTINE KNOT PEPTIDE TITLE 2 FROM MOMORDICA CHARANTIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: INHIBITOR CYSTINE KNOT PEPTIDE MCH-2; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOMORDICA CHARANTIA; SOURCE 3 ORGANISM_TAXID: 3673; SOURCE 4 OTHER_DETAILS: MCH-2 WAS ISOLATED FROM THE MOMORDICA CHARANTIA SEEDS SOURCE 5 EXTRACT KEYWDS CYSTINE KNOT, DISULFIDE-RICH PEPTIDES, MCH-2, OXIDATIVE REFOLDING, KEYWDS 2 SELECTIVE REDUCTION, UNKNOWN FUNCTION EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR W.HE,L.CHAN,R.J.CLARK,J.TANG,G.ZENG,O.L.FRANCO,C.CANTACESSI, AUTHOR 2 D.J.CRAIK,N.L.DALY,N.TAN REVDAT 2 14-JUN-23 2M2R 1 REMARK REVDAT 1 06-NOV-13 2M2R 0 JRNL AUTH W.J.HE,L.Y.CHAN,R.J.CLARK,J.TANG,G.Z.ZENG,O.L.FRANCO, JRNL AUTH 2 C.CANTACESSI,D.J.CRAIK,N.L.DALY,N.H.TAN JRNL TITL NOVEL INHIBITOR CYSTINE KNOT PEPTIDES FROM MOMORDICA JRNL TITL 2 CHARANTIA. JRNL REF PLOS ONE V. 8 75334 2013 JRNL REFN ESSN 1932-6203 JRNL PMID 24116036 JRNL DOI 10.1371/JOURNAL.PONE.0075334 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2, CNS REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 (CNS), BRUNGER, ADAMS, CLORE, GROS, NILGES AND REMARK 3 READ (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2M2R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JAN-13. REMARK 100 THE DEPOSITION ID IS D_1000103135. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 3 MM MCH, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : ARX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 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 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 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 H3 GLY A 1 O VAL A 33 1.51 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 LYS A 5 -50.76 -174.22 REMARK 500 1 LEU A 9 47.14 -74.33 REMARK 500 1 THR A 13 44.14 -166.93 REMARK 500 2 LYS A 5 -44.94 -173.00 REMARK 500 2 LEU A 9 49.37 -72.51 REMARK 500 2 LEU A 12 59.53 -158.61 REMARK 500 3 LYS A 5 -41.68 179.22 REMARK 500 3 CYS A 14 -157.12 -91.15 REMARK 500 4 LYS A 5 -49.95 -152.85 REMARK 500 4 LEU A 9 45.27 -76.68 REMARK 500 4 LEU A 10 52.40 -113.15 REMARK 500 4 CYS A 14 -146.81 -95.28 REMARK 500 5 THR A 13 47.46 -148.78 REMARK 500 5 CYS A 14 -156.44 -161.19 REMARK 500 6 LYS A 5 -51.23 -175.06 REMARK 500 6 LEU A 9 41.60 -73.41 REMARK 500 6 THR A 13 42.20 -167.03 REMARK 500 7 CYS A 2 -29.83 -167.01 REMARK 500 7 LYS A 5 -62.31 -179.04 REMARK 500 7 LEU A 9 43.96 -75.43 REMARK 500 7 THR A 13 34.39 -156.96 REMARK 500 7 CYS A 14 -150.50 -104.90 REMARK 500 8 CYS A 2 30.53 -93.55 REMARK 500 8 LYS A 5 -42.28 -176.11 REMARK 500 8 THR A 13 40.27 -165.49 REMARK 500 9 LYS A 5 -53.43 -149.30 REMARK 500 9 LEU A 9 31.44 -74.68 REMARK 500 9 THR A 13 50.12 -149.89 REMARK 500 10 LYS A 5 -53.90 -158.85 REMARK 500 10 LEU A 10 -44.63 -134.03 REMARK 500 10 CYS A 14 -155.59 -93.28 REMARK 500 11 LYS A 5 -45.34 -172.11 REMARK 500 11 THR A 13 45.78 -150.33 REMARK 500 12 LYS A 5 -47.84 -158.84 REMARK 500 12 ASN A 8 18.83 -143.49 REMARK 500 12 LEU A 12 56.94 -145.08 REMARK 500 13 LYS A 5 -43.24 -168.90 REMARK 500 13 LEU A 9 -50.58 69.47 REMARK 500 13 LEU A 12 48.89 -82.44 REMARK 500 14 LYS A 5 -43.36 -148.61 REMARK 500 14 LEU A 9 45.96 -73.56 REMARK 500 14 LEU A 10 43.49 -86.13 REMARK 500 14 ASP A 15 151.51 -49.28 REMARK 500 14 CYS A 18 67.69 -101.74 REMARK 500 15 LYS A 5 -61.82 -153.19 REMARK 500 15 LEU A 9 -46.33 71.08 REMARK 500 15 LEU A 10 48.74 -78.53 REMARK 500 15 THR A 13 30.60 -156.37 REMARK 500 16 LYS A 5 -45.79 -179.59 REMARK 500 16 LEU A 10 31.44 -141.75 REMARK 500 REMARK 500 THIS ENTRY HAS 64 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2M2Q RELATED DB: PDB REMARK 900 SEQUENCE SIMILARITY TO MCH-2 REMARK 900 RELATED ID: 18926 RELATED DB: BMRB DBREF 2M2R A 1 33 PDB 2M2R 2M2R 1 33 SEQRES 1 A 33 GLY CYS ALA GLY LYS ALA CYS ASN LEU LEU GLY LEU THR SEQRES 2 A 33 CYS ASP ALA GLY CYS PHE CYS ARG PRO ASP GLY VAL GLY SEQRES 3 A 33 ILE VAL ALA GLY VAL CYS VAL SHEET 1 A 3 CYS A 7 ASN A 8 0 SHEET 2 A 3 ALA A 29 CYS A 32 -1 O GLY A 30 N CYS A 7 SHEET 3 A 3 CYS A 20 PRO A 22 -1 N ARG A 21 O VAL A 31 SSBOND 1 CYS A 2 CYS A 18 1555 1555 2.03 SSBOND 2 CYS A 7 CYS A 20 1555 1555 2.03 SSBOND 3 CYS A 14 CYS A 32 1555 1555 2.03 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 MODEL 1