HEADER HYDROLASE INHIBITOR 05-JUN-13 2M99 TITLE SOLUTION STRUCTURE OF A CHYMOTRYPSIN INHIBITOR FROM THE TAIWAN COBRA COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE INHIBITOR NACI; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHYMOTRYPSIN INHIBITOR, NACI; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA ATRA; SOURCE 3 ORGANISM_COMMON: TAIWAN COBRA; SOURCE 4 ORGANISM_TAXID: 8656; SOURCE 5 GENE: ACI; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET-29A(+) KEYWDS NAJA NAJA ATRA, CHYMOTRYPSIN INHIBITOR, NACI, HYDROLASE INHIBITOR EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR Y.-J.LIN,T.IKEYA,P.GUNTERT,L.-S.CHANG REVDAT 2 14-JUN-23 2M99 1 REMARK REVDAT 1 16-OCT-13 2M99 0 JRNL AUTH Y.J.LIN,T.IKEYA,P.GUNTERT,L.S.CHANG JRNL TITL NMR SOLUTION STRUCTURE OF A CHYMOTRYPSIN INHIBITOR FROM THE JRNL TITL 2 TAIWAN COBRA NAJA NAJA ATRA. JRNL REF MOLECULES V. 18 8906 2013 JRNL REFN ESSN 1420-3049 JRNL PMID 23896616 JRNL DOI 10.3390/MOLECULES18088906 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA, OPAL REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2M99 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-JUN-13. REMARK 100 THE DEPOSITION ID IS D_1000103369. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 295 REMARK 210 PH : 3.0 REMARK 210 IONIC STRENGTH : 0.05 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1.5 MM [U-13C; U-15N] NACI-1, REMARK 210 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D HNCACB; 3D CBCA(CO)NH; 3D REMARK 210 HN(CA)CO; 3D HCACO; 3D HBHA(CO) REMARK 210 NH; 2D 1H-15N HSQC; 3D C(CO)NH; REMARK 210 3D HCCH-TOCSY; 2D CB(CGCD)HD; 2D REMARK 210 CB(CGCDCE)HE; 3D 1H-15N NOESY; REMARK 210 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : VNMRS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : SPARKY, VNMRJ, OPAL 1.4 REMARK 210 METHOD USED : MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 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: 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 3 CYS A 30 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 4 CYS A 30 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 6 CYS A 30 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 9 CYS A 30 CA - CB - SG ANGL. DEV. = 8.4 DEGREES REMARK 500 13 ARG A 44 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 15 CYS A 30 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 19 SER A 20 CB - CA - C ANGL. DEV. = 12.8 DEGREES REMARK 500 20 TYR A 21 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 20 CYS A 30 CA - CB - SG ANGL. DEV. = 7.5 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 94.33 -68.56 REMARK 500 1 SER A 10 66.06 -64.13 REMARK 500 3 SER A 10 61.66 -68.71 REMARK 500 4 ARG A 3 -5.79 -59.76 REMARK 500 4 CYS A 55 -43.73 -131.08 REMARK 500 4 VAL A 56 92.45 -61.72 REMARK 500 5 SER A 10 70.89 -69.40 REMARK 500 5 SER A 36 -66.59 -102.53 REMARK 500 5 CYS A 55 -17.07 -141.03 REMARK 500 6 SER A 10 48.18 -74.79 REMARK 500 6 CYS A 55 -36.47 -140.01 REMARK 500 7 SER A 10 46.24 -79.45 REMARK 500 7 CYS A 55 -42.39 -137.23 REMARK 500 8 CYS A 55 -22.13 -140.87 REMARK 500 9 SER A 10 94.34 -67.69 REMARK 500 10 SER A 10 70.78 -64.35 REMARK 500 10 SER A 13 -73.61 -52.67 REMARK 500 11 ALA A 42 -9.35 -56.21 REMARK 500 11 CYS A 55 -21.84 -140.84 REMARK 500 12 SER A 10 100.59 -51.61 REMARK 500 12 SER A 36 -127.20 -113.05 REMARK 500 12 ALA A 42 -4.53 -56.63 REMARK 500 12 CYS A 55 -28.40 -140.12 REMARK 500 14 SER A 36 -76.10 -99.04 REMARK 500 14 ALA A 42 -9.14 -58.22 REMARK 500 14 CYS A 55 -52.31 -128.93 REMARK 500 14 VAL A 56 105.24 -46.46 REMARK 500 15 CYS A 55 -52.61 -134.00 REMARK 500 16 SER A 10 49.54 -76.37 REMARK 500 16 CYS A 38 28.32 -73.71 REMARK 500 16 CYS A 55 -34.12 -139.13 REMARK 500 17 ALA A 42 -8.84 -59.14 REMARK 500 18 SER A 10 107.11 -58.80 REMARK 500 18 ALA A 42 -8.54 -58.26 REMARK 500 19 SER A 10 37.53 -71.20 REMARK 500 19 CYS A 55 -22.37 -142.14 REMARK 500 20 PRO A 9 98.68 -67.25 REMARK 500 20 CYS A 55 -14.04 -144.54 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 TYR A 35 0.09 SIDE CHAIN REMARK 500 2 TYR A 35 0.08 SIDE CHAIN REMARK 500 4 TYR A 35 0.09 SIDE CHAIN REMARK 500 4 ARG A 53 0.09 SIDE CHAIN REMARK 500 6 TYR A 35 0.09 SIDE CHAIN REMARK 500 8 TYR A 35 0.08 SIDE CHAIN REMARK 500 10 TYR A 35 0.11 SIDE CHAIN REMARK 500 13 TYR A 35 0.13 SIDE CHAIN REMARK 500 15 TYR A 35 0.11 SIDE CHAIN REMARK 500 16 TYR A 35 0.07 SIDE CHAIN REMARK 500 17 ARG A 3 0.12 SIDE CHAIN REMARK 500 18 TYR A 35 0.10 SIDE CHAIN REMARK 500 20 TYR A 35 0.10 SIDE CHAIN REMARK 500 20 PHE A 45 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19287 RELATED DB: BMRB DBREF 2M99 A 1 57 UNP Q5ZPJ7 IVBI_NAJAT 25 81 SEQRES 1 A 57 ARG PRO ARG PHE CYS GLU LEU ALA PRO SER ALA GLY SER SEQRES 2 A 57 CYS PHE ALA PHE VAL PRO SER TYR TYR TYR ASN GLN TYR SEQRES 3 A 57 SER ASN THR CYS HIS SER PHE THR TYR SER GLY CYS GLY SEQRES 4 A 57 GLY ASN ALA ASN ARG PHE ARG THR ILE ASP GLU CYS ASN SEQRES 5 A 57 ARG THR CYS VAL GLY HELIX 1 1 PRO A 2 LEU A 7 5 6 HELIX 2 2 SER A 10 CYS A 14 5 5 HELIX 3 3 GLN A 25 ASN A 28 5 4 HELIX 4 4 THR A 47 VAL A 56 1 10 SHEET 1 A 2 VAL A 18 ASN A 24 0 SHEET 2 A 2 THR A 29 TYR A 35 -1 O PHE A 33 N SER A 20 SSBOND 1 CYS A 5 CYS A 55 1555 1555 2.01 SSBOND 2 CYS A 14 CYS A 38 1555 1555 2.03 SSBOND 3 CYS A 30 CYS A 51 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