HEADER BLOOD CLOTTING 06-DEC-18 6NAN TITLE NMR STRUCTURE DETERMINATION OF IXOLARIS AND FACTOR X INTERACTION TITLE 2 REVEALS A NONCANONICAL MECHANISM OF KUNITZ INHIBITION COMPND MOL_ID: 1; COMPND 2 MOLECULE: IXOLARIS; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: IXODES SCAPULARIS; SOURCE 3 ORGANISM_COMMON: BLACK-LEGGED TICK; SOURCE 4 ORGANISM_TAXID: 6945; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COAGULATION BLOOD INHIBITOR, FACTOR XA, TISSUE FACTOR, TICK SALIVA, KEYWDS 2 BLOOD CLOTTING EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR V.S.DE PAULA,N.G.SGOURAKIS,I.M.B.FRANCISCHETTI,F.C.L.ALMEIDA, AUTHOR 2 R.Q.MONTEIRO,A.P.VALENTE REVDAT 3 14-JUN-23 6NAN 1 REMARK REVDAT 2 04-SEP-19 6NAN 1 JRNL REMARK REVDAT 1 12-JUN-19 6NAN 0 JRNL AUTH V.S.DE PAULA,N.G.SGOURAKIS,I.M.B.FRANCISCHETTI, JRNL AUTH 2 F.C.L.ALMEIDA,R.Q.MONTEIRO,A.P.VALENTE JRNL TITL NMR STRUCTURE DETERMINATION OF IXOLARIS AND FACTOR X(A) JRNL TITL 2 INTERACTION REVEALS A NONCANONICAL MECHANISM OF KUNITZ JRNL TITL 3 INHIBITION. JRNL REF BLOOD V. 134 699 2019 JRNL REFN ESSN 1528-0020 JRNL PMID 31133602 JRNL DOI 10.1182/BLOOD.2018889493 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.S.DE PAULA,F.H.S.SILVA,I.M.B.FRANCISCHETTI,R.Q.MONTEIRO, REMARK 1 AUTH 2 A.P.VALENTE REMARK 1 TITL RECOMBINANT EXPRESSION OF IXOLARIS, A KUNITZ-TYPE INHIBITOR REMARK 1 TITL 2 FROM THE TICK SALIVARY GLAND, FOR NMR STUDIES. REMARK 1 REF PROTEIN EXPR. PURIF. V. 139 49 2017 REMARK 1 REFN ESSN 1096-0279 REMARK 1 DOI 10.1007/S12104-017-9766-3 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CS-ROSETTA RASREC REMARK 3 AUTHORS : SHEN, VERNON, BAKER AND BAX REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6NAN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-18. REMARK 100 THE DEPOSITION ID IS D_1000238463. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6.0 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 100 UM [U-100% 15N] IXOLARIS, REMARK 210 90% H2O/10% D2O; 100 UM [U-13C; REMARK 210 U-15N] IXOLARIS, 90% H2O/10% D2O; REMARK 210 100 UM [U-15N; U-2H] IXOLARIS, REMARK 210 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D 1H-15N NOESY; 3D 1H-13C NOESY REMARK 210 ALIPHATIC; 2D 1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE; DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NA REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-10 REMARK 465 RES C SSSEQI REMARK 465 ALA A 1 REMARK 465 GLU A 2 REMARK 465 ARG A 3 REMARK 465 VAL A 4 REMARK 465 SER A 5 REMARK 465 GLU A 6 REMARK 465 MET A 7 REMARK 465 ASP A 8 REMARK 465 ILE A 9 REMARK 465 TYR A 10 REMARK 465 GLU A 11 REMARK 465 PHE A 12 REMARK 465 LEU A 131 REMARK 465 LEU A 132 REMARK 465 LYS A 133 REMARK 465 LYS A 134 REMARK 465 VAL A 135 REMARK 465 ASN A 136 REMARK 465 VAL A 137 REMARK 465 THR A 138 REMARK 465 ILE A 139 REMARK 465 ASN A 140 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 THR A 110 -133.93 45.65 REMARK 500 1 ASN A 114 85.32 -69.71 REMARK 500 2 CYS A 51 64.71 -106.79 REMARK 500 2 ARG A 86 -6.49 -140.55 REMARK 500 2 ILE A 109 78.87 -105.34 REMARK 500 2 THR A 110 -133.95 45.52 REMARK 500 3 THR A 49 45.01 -98.53 REMARK 500 3 ARG A 86 -6.78 -140.19 REMARK 500 3 THR A 110 -133.83 45.68 REMARK 500 3 ASN A 114 85.72 -69.21 REMARK 500 4 GLU A 50 72.24 55.41 REMARK 500 4 CYS A 51 57.91 -116.48 REMARK 500 4 ARG A 86 -5.72 -140.70 REMARK 500 4 THR A 110 -133.95 45.70 REMARK 500 4 ASN A 112 -168.69 -128.24 REMARK 500 4 ASN A 115 103.33 -167.92 REMARK 500 5 CYS A 51 60.33 -115.80 REMARK 500 5 ARG A 86 -6.27 -140.67 REMARK 500 5 PRO A 90 106.36 -56.99 REMARK 500 5 THR A 110 -134.87 46.43 REMARK 500 5 ASN A 114 84.30 -68.05 REMARK 500 6 GLU A 50 96.97 70.20 REMARK 500 6 CYS A 51 71.84 -119.54 REMARK 500 6 ARG A 86 -6.39 -140.62 REMARK 500 6 ASN A 114 86.27 -68.19 REMARK 500 7 THR A 110 -134.15 45.70 REMARK 500 7 ASN A 114 84.41 -69.68 REMARK 500 7 ASN A 115 110.03 -160.20 REMARK 500 8 GLU A 50 72.97 56.54 REMARK 500 8 VAL A 80 131.27 -39.92 REMARK 500 8 ASN A 115 102.23 -168.04 REMARK 500 9 THR A 32 148.99 -170.74 REMARK 500 9 CYS A 51 64.93 -105.16 REMARK 500 9 ARG A 86 -6.47 -140.51 REMARK 500 9 ILE A 109 78.67 -105.34 REMARK 500 9 THR A 110 -134.12 45.48 REMARK 500 10 GLU A 50 72.21 55.44 REMARK 500 10 CYS A 51 57.71 -116.41 REMARK 500 10 ARG A 86 -5.57 -140.86 REMARK 500 10 THR A 110 -133.67 45.80 REMARK 500 10 ASN A 112 -168.58 -123.65 REMARK 500 10 ASN A 115 102.83 -168.61 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 27051 RELATED DB: BMRB REMARK 900 NMR STRUCTURE DETERMINATION OF IXOLARIS AND FACTOR X INTERACTION REMARK 900 REVEALS A NONCANONICAL MECHANISM OF KUNITZ INHIBITION REMARK 900 RELATED ID: 30549 RELATED DB: BMRB DBREF 6NAN A 1 140 UNP Q964Q0 Q964Q0_IXOSC 26 165 SEQRES 1 A 140 ALA GLU ARG VAL SER GLU MET ASP ILE TYR GLU PHE GLU SEQRES 2 A 140 SER TRP VAL SER CYS LEU ASP PRO GLU GLN VAL THR CYS SEQRES 3 A 140 GLU SER GLN GLU GLY THR HIS ALA SER TYR ASN ARG LYS SEQRES 4 A 140 THR GLY GLN CYS GLU GLU GLN LYS GLY THR GLU CYS GLY SEQRES 5 A 140 GLY GLY GLU ASN HIS PHE GLU THR LEU LEU LYS CYS ASN SEQRES 6 A 140 GLU SER CYS ASN ASP ALA PRO LYS PRO PRO CYS SER LEU SEQRES 7 A 140 GLU VAL ASP TYR GLY VAL GLY ARG ALA ASN ILE PRO ARG SEQRES 8 A 140 TRP TYR TYR ASP THR ASN ASN ALA THR CYS GLU MET PHE SEQRES 9 A 140 THR TYR GLY GLY ILE THR GLY ASN LYS ASN ASN PHE GLU SEQRES 10 A 140 SER GLU GLU GLU CYS LYS GLU THR CYS LYS GLY PHE SER SEQRES 11 A 140 LEU LEU LYS LYS VAL ASN VAL THR ILE ASN HELIX 1 AA1 SER A 14 LEU A 19 1 6 HELIX 2 AA2 THR A 60 ASP A 70 1 11 HELIX 3 AA3 PRO A 74 LEU A 78 5 5 HELIX 4 AA4 SER A 118 GLY A 128 1 11 SHEET 1 AA1 2 THR A 32 TYR A 36 0 SHEET 2 AA1 2 CYS A 43 LYS A 47 -1 O GLU A 44 N SER A 35 SHEET 1 AA2 2 ILE A 89 ASP A 95 0 SHEET 2 AA2 2 THR A 100 TYR A 106 -1 O THR A 100 N ASP A 95 SSBOND 1 CYS A 18 CYS A 68 1555 1555 2.04 SSBOND 2 CYS A 26 CYS A 51 1555 1555 2.05 SSBOND 3 CYS A 43 CYS A 64 1555 1555 2.03 SSBOND 4 CYS A 76 CYS A 126 1555 1555 2.07 SSBOND 5 CYS A 101 CYS A 122 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