HEADER HYDROLASE INHIBITOR 19-MAR-12 2LQX TITLE NMR SPATIAL STRUCTURE OF THE TRYPSIN INHIBITOR BWI-2C FROM THE TITLE 2 BUCKWHEAT SEEDS COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN INHIBITOR BWI-2C; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FAGOPYRUM ESCULENTUM; SOURCE 3 ORGANISM_TAXID: 3617; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PET-32B KEYWDS HELICAL HAIRPIN, HYDROLASE INHIBITOR EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR K.S.MINEEV,A.A.VASSILEVSKI,P.B.OPARIN,E.V.GRISHIN,T.A.EGOROV REVDAT 3 14-JUN-23 2LQX 1 REMARK REVDAT 2 08-AUG-12 2LQX 1 JRNL REVDAT 1 30-MAY-12 2LQX 0 JRNL AUTH P.B.OPARIN,K.S.MINEEV,Y.E.DUNAEVSKY,A.S.ARSENIEV, JRNL AUTH 2 M.A.BELOZERSKY,E.V.GRISHIN,T.A.EGOROV,A.A.VASSILEVSKI JRNL TITL BUCKWHEAT TRYPSIN INHIBITOR WITH HELICAL HAIRPIN STRUCTURE JRNL TITL 2 BELONGS TO A NEW FAMILY OF PLANT DEFENCE PEPTIDES. JRNL REF BIOCHEM.J. V. 446 69 2012 JRNL REFN ISSN 0264-6021 JRNL PMID 22612157 JRNL DOI 10.1042/BJ20120548 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CARA 1.8.3, CYANA 3.0 REMARK 3 AUTHORS : KELLER AND WUTHRICH (CARA), GUNTERT, MUMENTHALER REMARK 3 AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2LQX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAR-12. REMARK 100 THE DEPOSITION ID IS D_1000102721. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 309 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 20 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM [U-100% 15N] BWI2C, 1 MM REMARK 210 SODIUM AZIDE, 20 MM SODIUM REMARK 210 CHLORIDE, 90% H2O/10% D2O; 1 MM REMARK 210 BWI2C, 1 MM SODIUM AZIDE, 20 MM REMARK 210 SODIUM CHLORIDE, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D 1H-15N NOESY; REMARK 210 3D 1H-15N TOCSY; 3D HNHA; 3D REMARK 210 HNHB; 2D DQF-COSY; 2D 1H-1H REMARK 210 TOCSY; 2D 1H-1H NOESY; 2D 1H-13C REMARK 210 HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA 1.8.3, NMRPIPE, TOPSPIN REMARK 210 2.1, CYANA 3.0 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 : TARGET FUNCTION 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: 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 4 73.71 -69.69 REMARK 500 2 ARG A 19 30.02 -95.78 REMARK 500 3 LYS A 3 74.77 61.66 REMARK 500 3 PRO A 4 73.80 -69.76 REMARK 500 3 ARG A 19 46.62 -90.66 REMARK 500 3 TRP A 20 -64.51 -104.90 REMARK 500 4 LYS A 3 74.87 -155.08 REMARK 500 5 ARG A 19 32.14 -95.88 REMARK 500 6 LYS A 3 159.55 61.45 REMARK 500 6 TRP A 20 -60.83 -97.09 REMARK 500 7 ARG A 19 46.59 -90.90 REMARK 500 7 TRP A 20 -63.24 -104.95 REMARK 500 8 LYS A 3 74.85 52.60 REMARK 500 8 ARG A 19 45.56 -91.67 REMARK 500 8 TRP A 20 -62.23 -102.75 REMARK 500 8 SER A 21 147.58 -176.86 REMARK 500 9 ARG A 19 45.31 -91.63 REMARK 500 9 TRP A 20 -63.76 -102.89 REMARK 500 9 SER A 21 149.31 -176.57 REMARK 500 10 LYS A 3 160.69 63.06 REMARK 500 10 PRO A 4 74.01 -69.76 REMARK 500 10 ARG A 19 43.77 -91.98 REMARK 500 10 TRP A 20 -67.50 -105.04 REMARK 500 11 LYS A 3 74.88 52.00 REMARK 500 12 LYS A 3 74.75 55.11 REMARK 500 12 ARG A 19 44.37 -92.64 REMARK 500 12 TRP A 20 -64.53 -101.01 REMARK 500 12 SER A 21 148.59 -175.28 REMARK 500 13 ARG A 19 42.89 -93.18 REMARK 500 13 TRP A 20 -64.60 -104.88 REMARK 500 13 GLN A 39 -65.11 -92.32 REMARK 500 14 TRP A 20 -62.47 -93.44 REMARK 500 15 LYS A 3 74.76 -155.71 REMARK 500 15 TRP A 20 -61.92 -101.84 REMARK 500 15 SER A 21 149.60 -176.80 REMARK 500 16 ARG A 19 44.63 -93.00 REMARK 500 16 TRP A 20 -62.42 -102.16 REMARK 500 16 SER A 21 146.77 -174.87 REMARK 500 17 LYS A 3 74.86 61.94 REMARK 500 17 PRO A 4 73.88 -69.76 REMARK 500 17 ARG A 19 49.89 -88.77 REMARK 500 17 TRP A 20 -64.91 -104.95 REMARK 500 18 LYS A 3 74.78 -155.18 REMARK 500 18 ARG A 19 44.11 -92.28 REMARK 500 18 TRP A 20 -64.70 -105.10 REMARK 500 19 LYS A 3 74.69 -155.46 REMARK 500 20 LYS A 3 74.85 59.02 REMARK 500 20 ARG A 19 42.14 -93.53 REMARK 500 20 TRP A 20 -65.44 -99.17 REMARK 500 20 SER A 21 148.29 -176.62 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 18334 RELATED DB: BMRB DBREF 2LQX A 1 41 PDB 2LQX 2LQX 1 41 SEQRES 1 A 41 SER GLU LYS PRO GLN GLN GLU LEU GLU GLU CYS GLN ASN SEQRES 2 A 41 VAL CYS ARG MET LYS ARG TRP SER THR GLU MET VAL HIS SEQRES 3 A 41 ARG CYS GLU LYS LYS CYS GLU GLU LYS PHE GLU ARG GLN SEQRES 4 A 41 GLN ARG HELIX 1 1 GLN A 5 MET A 17 1 13 HELIX 2 2 SER A 21 LYS A 35 1 15 SSBOND 1 CYS A 11 CYS A 32 1555 1555 1.97 SSBOND 2 CYS A 15 CYS A 28 1555 1555 2.04 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