HEADER TOXIN 08-JUN-01 1JC6 TITLE SOLUTION STRUCTURE OF BUNGARUS FACIATUS IX, A KUNITZ-TYPE CHYMOTRYPSIN TITLE 2 INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: VENOM BASIC PROTEASE INHIBITORS IX AND VIIIB; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BUNGARUS FASCIATUS; SOURCE 3 ORGANISM_COMMON: BANDED KRAIT; SOURCE 4 ORGANISM_TAXID: 8613; SOURCE 5 TISSUE: VENOM KEYWDS SNAKE VENOM, KUNITZ INHIBITOR, PROTEASE INHIBITOR, NEUROTOXIN, KEYWDS 2 SOLUTION STRUCTURE, BF IX, CHYMOTRYPSIN INHIBITOR, TOXIN EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR C.CHEN,C.H.HSU,N.Y.SU,S.H.CHIOU,S.H.WU REVDAT 3 23-FEB-22 1JC6 1 REMARK REVDAT 2 24-FEB-09 1JC6 1 VERSN REVDAT 1 17-JUN-03 1JC6 0 JRNL AUTH C.CHEN,C.H.HSU,N.Y.SU,Y.C.LIN,S.H.CHIOU,S.H.WU JRNL TITL SOLUTION STRUCTURE OF A KUNITZ-TYPE CHYMOTRYPSIN INHIBITOR JRNL TITL 2 ISOLATED FROM THE ELAPID SNAKE BUNGARUS FASCIATUS JRNL REF J.BIOL.CHEM. V. 276 45079 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11562364 JRNL DOI 10.1074/JBC.M106182200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.S.LIU,T.C.WU,T.B.LO REMARK 1 TITL COMPLETE AMINO ACID SEQUENCES OF TWO PROTEASE INHIBITORS IN REMARK 1 TITL 2 THE VENOM OF BUNGARUS FASCIATUS REMARK 1 REF INT.J.PEPT.PROTEIN RES. V. 21 209 1983 REMARK 1 REFN ISSN 0367-8377 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 2.5, X-PLOR 98 REMARK 3 AUTHORS : KARLSRUHE (XWINNMR), BRUNGER (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF REMARK 3 599 RESTRAINTS, 536 ARE NOE-DERIVED DISTANCE CONSTRAINTS, 33 REMARK 3 DIHEDRAL ANGLE RESTRAINTS, 30 DISTANCE RESTRAINTS FROM HYDROGEN REMARK 3 BONDS. REMARK 4 REMARK 4 1JC6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-JUN-01. REMARK 100 THE DEPOSITION ID IS D_1000013611. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310; 300; 310; 300; 310; 300 REMARK 210 PH : 3.0; 3.0; 3.88; 3.88; 7.0; 7.0 REMARK 210 IONIC STRENGTH : NULL; NULL; NULL; NULL; NULL; REMARK 210 NULL REMARK 210 PRESSURE : 1 ATM; 1 ATM; 1 ATM; 1 ATM; 1 REMARK 210 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 2MM BF IX; 50MM PHOSPHATE BUFFER REMARK 210 NA; 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; DQF-COSY; TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE; AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : AURELIA 2.1.3, X-PLOR 98 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 90 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 REMARK 210 CONFORMERS, SELECTION CRITERIA : THE SUBMITTED CONFORMER MODELS REMARK 210 ARE THE 10 STRUCTURES WITH THE REMARK 210 LOWEST REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. 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 ASN A 2 142.73 64.60 REMARK 500 1 LEU A 9 155.30 -45.26 REMARK 500 1 ASN A 17 127.18 174.16 REMARK 500 1 PRO A 21 73.52 -69.13 REMARK 500 1 CYS A 40 -51.36 -121.83 REMARK 500 1 ASN A 46 114.26 -179.62 REMARK 500 1 PHE A 47 -164.30 -120.84 REMARK 500 1 ASP A 51 -72.14 -61.59 REMARK 500 1 SER A 64 -66.84 -149.02 REMARK 500 2 ALA A 18 144.21 -175.33 REMARK 500 2 PRO A 21 75.45 -66.22 REMARK 500 2 CYS A 40 -56.79 -121.97 REMARK 500 2 ASN A 43 -151.88 -70.47 REMARK 500 2 ASN A 45 99.20 -62.55 REMARK 500 2 ASN A 46 122.68 177.76 REMARK 500 2 PHE A 47 -165.67 -128.74 REMARK 500 2 THR A 49 176.75 178.21 REMARK 500 2 ASP A 51 -72.26 -63.09 REMARK 500 2 ARG A 63 -65.23 70.00 REMARK 500 3 ASN A 2 31.64 -142.46 REMARK 500 3 ARG A 3 87.57 62.93 REMARK 500 3 PHE A 6 -28.72 -39.20 REMARK 500 3 PRO A 11 -164.27 -79.85 REMARK 500 3 ALA A 18 -74.63 179.24 REMARK 500 3 LEU A 19 108.76 175.12 REMARK 500 3 LYS A 31 -166.44 -161.84 REMARK 500 3 ASN A 45 93.22 -61.60 REMARK 500 3 ASN A 46 120.72 174.61 REMARK 500 3 PHE A 47 -168.94 -118.54 REMARK 500 3 ALA A 58 158.52 61.71 REMARK 500 4 ASN A 2 69.43 -172.01 REMARK 500 4 LEU A 9 153.83 -43.62 REMARK 500 4 ALA A 18 -78.15 -167.45 REMARK 500 4 LEU A 19 121.01 175.22 REMARK 500 4 ASN A 45 96.29 -69.18 REMARK 500 4 ASN A 46 118.43 179.34 REMARK 500 4 PHE A 47 -160.31 -115.79 REMARK 500 4 TYR A 61 179.62 -52.60 REMARK 500 5 PRO A 11 -168.55 -77.48 REMARK 500 5 ALA A 18 -80.88 -166.94 REMARK 500 5 LEU A 19 112.03 178.44 REMARK 500 5 PRO A 21 72.38 -69.77 REMARK 500 5 CYS A 40 -58.35 -131.08 REMARK 500 5 ASN A 43 -169.17 -73.77 REMARK 500 5 ASN A 45 99.11 -56.74 REMARK 500 5 ASN A 46 123.49 176.57 REMARK 500 5 PHE A 47 -169.82 -121.42 REMARK 500 5 THR A 49 -168.61 -168.58 REMARK 500 5 ALA A 59 104.13 59.26 REMARK 500 5 LYS A 60 -166.51 -117.27 REMARK 500 REMARK 500 THIS ENTRY HAS 99 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 3 0.27 SIDE CHAIN REMARK 500 1 ARG A 15 0.24 SIDE CHAIN REMARK 500 1 ARG A 55 0.21 SIDE CHAIN REMARK 500 1 ARG A 63 0.23 SIDE CHAIN REMARK 500 2 ARG A 3 0.28 SIDE CHAIN REMARK 500 2 ARG A 15 0.29 SIDE CHAIN REMARK 500 2 ARG A 55 0.30 SIDE CHAIN REMARK 500 2 ARG A 63 0.28 SIDE CHAIN REMARK 500 3 ARG A 3 0.22 SIDE CHAIN REMARK 500 3 ARG A 15 0.29 SIDE CHAIN REMARK 500 3 ARG A 55 0.25 SIDE CHAIN REMARK 500 3 ARG A 63 0.32 SIDE CHAIN REMARK 500 4 ARG A 3 0.20 SIDE CHAIN REMARK 500 4 ARG A 15 0.32 SIDE CHAIN REMARK 500 4 ARG A 55 0.32 SIDE CHAIN REMARK 500 4 ARG A 63 0.30 SIDE CHAIN REMARK 500 5 ARG A 3 0.27 SIDE CHAIN REMARK 500 5 ARG A 15 0.26 SIDE CHAIN REMARK 500 5 ARG A 55 0.32 SIDE CHAIN REMARK 500 5 ARG A 63 0.30 SIDE CHAIN REMARK 500 6 ARG A 3 0.15 SIDE CHAIN REMARK 500 6 ARG A 15 0.30 SIDE CHAIN REMARK 500 6 ARG A 55 0.31 SIDE CHAIN REMARK 500 6 ARG A 63 0.24 SIDE CHAIN REMARK 500 7 ARG A 3 0.26 SIDE CHAIN REMARK 500 7 ARG A 15 0.30 SIDE CHAIN REMARK 500 7 ARG A 55 0.31 SIDE CHAIN REMARK 500 7 ARG A 63 0.21 SIDE CHAIN REMARK 500 8 ARG A 3 0.22 SIDE CHAIN REMARK 500 8 ARG A 15 0.30 SIDE CHAIN REMARK 500 8 ARG A 55 0.22 SIDE CHAIN REMARK 500 8 ARG A 63 0.30 SIDE CHAIN REMARK 500 9 ARG A 3 0.30 SIDE CHAIN REMARK 500 9 ARG A 15 0.32 SIDE CHAIN REMARK 500 9 ARG A 55 0.21 SIDE CHAIN REMARK 500 9 ARG A 63 0.32 SIDE CHAIN REMARK 500 10 ARG A 3 0.24 SIDE CHAIN REMARK 500 10 ARG A 15 0.30 SIDE CHAIN REMARK 500 10 ARG A 55 0.28 SIDE CHAIN REMARK 500 10 ARG A 63 0.30 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 1JC6 A 1 65 UNP P25660 IVB1_BUNFA 1 65 SEQRES 1 A 65 LYS ASN ARG PRO THR PHE CYS ASN LEU LEU PRO GLU THR SEQRES 2 A 65 GLY ARG CYS ASN ALA LEU ILE PRO ALA PHE TYR TYR ASN SEQRES 3 A 65 SER HIS LEU HIS LYS CYS GLN LYS PHE ASN TYR GLY GLY SEQRES 4 A 65 CYS GLY GLY ASN ALA ASN ASN PHE LYS THR ILE ASP GLU SEQRES 5 A 65 CYS GLN ARG THR CYS ALA ALA LYS TYR GLY ARG SER SER HELIX 1 1 THR A 5 LEU A 9 5 5 HELIX 2 2 THR A 49 CYS A 57 1 9 SHEET 1 A 2 ALA A 22 ASN A 26 0 SHEET 2 A 2 LYS A 31 PHE A 35 -1 O LYS A 31 N ASN A 26 SSBOND 1 CYS A 7 CYS A 57 1555 1555 2.02 SSBOND 2 CYS A 16 CYS A 40 1555 1555 2.02 SSBOND 3 CYS A 32 CYS A 53 1555 1555 2.02 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