PDB Short entry for 1ISK HEADER ISOMERASE 12-MAR-97 1ISK TITLE 3-OXO-DELTA5-STEROID ISOMERASE, NMR, 20 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3-OXO-DELTA5-STEROID ISOMERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: KSI, 3-KETOSTEROID ISOMERASE; COMPND 5 EC: 5.3.3.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: COMAMONAS TESTOSTERONI; SOURCE 3 ORGANISM_TAXID: 285; SOURCE 4 ATCC: 11996; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: NCM533; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PKC2 KEYWDS ISOMERASE, KSI, 3-KETOSTEROID EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR Z.R.WU,S.EBRAHIMIAN,M.E.ZAWROTNY,L.D.THORNBURG,G.C.PEREZ-ALVARADO, AUTHOR 2 P.BROTHERS,R.M.POLLACK,M.F.SUMMERS REVDAT 3 23-FEB-22 1ISK 1 REMARK REVDAT 2 24-FEB-09 1ISK 1 VERSN REVDAT 1 12-NOV-97 1ISK 0 JRNL AUTH Z.R.WU,S.EBRAHIMIAN,M.E.ZAWROTNY,L.D.THORNBURG, JRNL AUTH 2 G.C.PEREZ-ALVARADO,P.BROTHERS,R.M.POLLACK,M.F.SUMMERS JRNL TITL SOLUTION STRUCTURE OF 3-OXO-DELTA5-STEROID ISOMERASE. JRNL REF SCIENCE V. 276 415 1997 JRNL REFN ISSN 0036-8075 JRNL PMID 9103200 JRNL DOI 10.1126/SCIENCE.276.5311.415 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DIANA REMARK 3 AUTHORS : WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ISK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174252. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 7.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 H ALA B 31 O VAL B 109 1.59 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 ASN A 2 130.18 62.44 REMARK 500 1 ALA A 31 178.78 -50.18 REMARK 500 1 PRO A 39 -84.30 -74.98 REMARK 500 1 GLU A 43 95.95 59.33 REMARK 500 1 THR A 48 -29.44 -39.41 REMARK 500 1 THR A 68 14.15 -141.16 REMARK 500 1 GLN A 69 -88.05 -148.16 REMARK 500 1 GLU A 70 -174.95 173.46 REMARK 500 1 ARG A 72 79.68 -112.99 REMARK 500 1 VAL A 74 -147.45 -148.62 REMARK 500 1 ALA A 75 100.63 -50.46 REMARK 500 1 ASN A 76 34.17 37.54 REMARK 500 1 ALA A 78 88.19 -153.08 REMARK 500 1 ALA A 106 -39.21 -174.88 REMARK 500 1 ASN B 2 124.45 167.25 REMARK 500 1 ALA B 31 172.68 -47.07 REMARK 500 1 SER B 42 72.36 62.05 REMARK 500 1 GLU B 43 64.00 -168.98 REMARK 500 1 THR B 68 22.67 -154.76 REMARK 500 1 GLN B 69 -86.73 -147.99 REMARK 500 1 GLU B 70 -177.46 -179.22 REMARK 500 1 ASN B 76 30.76 38.95 REMARK 500 1 TYR B 88 75.19 -110.28 REMARK 500 1 GLN B 89 80.95 35.33 REMARK 500 1 ALA B 106 -20.85 151.23 REMARK 500 2 ASN A 2 97.09 -65.15 REMARK 500 2 ALA A 31 173.92 -47.87 REMARK 500 2 ALA A 34 179.16 -57.44 REMARK 500 2 PRO A 39 -70.62 -74.94 REMARK 500 2 SER A 42 -177.98 149.69 REMARK 500 2 GLU A 43 79.21 64.36 REMARK 500 2 PRO A 44 -167.77 -75.01 REMARK 500 2 ALA A 56 -70.51 -68.02 REMARK 500 2 THR A 68 -51.10 -136.98 REMARK 500 2 GLN A 69 -160.66 -179.98 REMARK 500 2 VAL A 74 -139.30 -157.07 REMARK 500 2 ALA A 75 95.87 -31.48 REMARK 500 2 ASN A 76 58.08 20.93 REMARK 500 2 GLN A 89 72.80 -63.58 REMARK 500 2 ARG A 91 -179.89 165.72 REMARK 500 2 ALA A 106 -40.53 -172.89 REMARK 500 2 ALA A 123 175.34 -59.25 REMARK 500 2 ASN B 2 76.66 41.00 REMARK 500 2 LEU B 23 -72.55 -70.94 REMARK 500 2 ALA B 31 167.39 -45.10 REMARK 500 2 ALA B 34 179.10 -58.93 REMARK 500 2 PRO B 39 -77.33 -74.92 REMARK 500 2 SER B 42 -177.55 153.15 REMARK 500 2 GLU B 43 63.77 67.15 REMARK 500 2 PRO B 44 -169.23 -74.98 REMARK 500 REMARK 500 THIS ENTRY HAS 548 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: SIA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: TYR A14 AND ASP A99 BOTH STABILIZE THE REMARK 800 INTERMEDIATE BY FORMING HYDROGEN-BOND TO IT. ASP A38 TRANSFERS REMARK 800 PROTON FROM C-4B TO C-6B. REMARK 800 REMARK 800 SITE_IDENTIFIER: SIB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: TYR B14 AND ASP B99 BOTH STABILIZE THE REMARK 800 INTERMEDIATE BY FORMING HYDROGEN-BOND TO IT. ASP B38 TRANSFERS REMARK 800 PROTON FROM C-4B TO C-6B. DBREF 1ISK A 1 125 UNP P00947 SDIS_COMTE 1 125 DBREF 1ISK B 1 125 UNP P00947 SDIS_COMTE 1 125 SEQRES 1 A 125 MET ASN THR PRO GLU HIS MET THR ALA VAL VAL GLN ARG SEQRES 2 A 125 TYR VAL ALA ALA LEU ASN ALA GLY ASP LEU ASP GLY ILE SEQRES 3 A 125 VAL ALA LEU PHE ALA ASP ASP ALA THR VAL GLU ASP PRO SEQRES 4 A 125 VAL GLY SER GLU PRO ARG SER GLY THR ALA ALA ILE ARG SEQRES 5 A 125 GLU PHE TYR ALA ASN SER LEU LYS LEU PRO LEU ALA VAL SEQRES 6 A 125 GLU LEU THR GLN GLU VAL ARG ALA VAL ALA ASN GLU ALA SEQRES 7 A 125 ALA PHE ALA PHE THR VAL SER PHE GLU TYR GLN GLY ARG SEQRES 8 A 125 LYS THR VAL VAL ALA PRO ILE ASP HIS PHE ARG PHE ASN SEQRES 9 A 125 GLY ALA GLY LYS VAL VAL SER MET ARG ALA LEU PHE GLY SEQRES 10 A 125 GLU LYS ASN ILE HIS ALA GLY ALA SEQRES 1 B 125 MET ASN THR PRO GLU HIS MET THR ALA VAL VAL GLN ARG SEQRES 2 B 125 TYR VAL ALA ALA LEU ASN ALA GLY ASP LEU ASP GLY ILE SEQRES 3 B 125 VAL ALA LEU PHE ALA ASP ASP ALA THR VAL GLU ASP PRO SEQRES 4 B 125 VAL GLY SER GLU PRO ARG SER GLY THR ALA ALA ILE ARG SEQRES 5 B 125 GLU PHE TYR ALA ASN SER LEU LYS LEU PRO LEU ALA VAL SEQRES 6 B 125 GLU LEU THR GLN GLU VAL ARG ALA VAL ALA ASN GLU ALA SEQRES 7 B 125 ALA PHE ALA PHE THR VAL SER PHE GLU TYR GLN GLY ARG SEQRES 8 B 125 LYS THR VAL VAL ALA PRO ILE ASP HIS PHE ARG PHE ASN SEQRES 9 B 125 GLY ALA GLY LYS VAL VAL SER MET ARG ALA LEU PHE GLY SEQRES 10 B 125 GLU LYS ASN ILE HIS ALA GLY ALA HELIX 1 1 THR A 3 ALA A 20 1 18 HELIX 2 2 ASP A 22 PHE A 30 1 9 HELIX 3 3 THR A 48 LEU A 61 1 14 HELIX 4 4 THR B 3 ALA B 20 1 18 HELIX 5 5 ASP B 22 PHE B 30 1 9 HELIX 6 6 THR B 48 LEU B 61 1 14 SHEET 1 A 6 GLU A 43 GLY A 47 0 SHEET 2 A 6 ALA A 34 ASP A 38 -1 SHEET 3 A 6 SER A 111 GLY A 124 1 SHEET 4 A 6 ARG A 91 PHE A 103 -1 SHEET 5 A 6 GLU A 77 TYR A 88 -1 SHEET 6 A 6 LEU A 63 VAL A 74 -1 SHEET 1 B 6 GLU B 43 GLY B 47 0 SHEET 2 B 6 ALA B 34 ASP B 38 -1 SHEET 3 B 6 SER B 111 GLY B 124 1 SHEET 4 B 6 ARG B 91 PHE B 103 -1 SHEET 5 B 6 GLU B 77 TYR B 88 -1 SHEET 6 B 6 LEU B 63 VAL B 74 -1 CISPEP 1 ASP A 38 PRO A 39 1 -0.03 CISPEP 2 ASP B 38 PRO B 39 1 0.14 CISPEP 3 ASP A 38 PRO A 39 2 -0.09 CISPEP 4 ASP B 38 PRO B 39 2 -0.11 CISPEP 5 ASP A 38 PRO A 39 3 -0.02 CISPEP 6 ASP B 38 PRO B 39 3 0.05 CISPEP 7 ASP A 38 PRO A 39 4 0.00 CISPEP 8 ASP B 38 PRO B 39 4 -0.05 CISPEP 9 ASP A 38 PRO A 39 5 0.00 CISPEP 10 ASP B 38 PRO B 39 5 -0.04 CISPEP 11 ASP A 38 PRO A 39 6 0.12 CISPEP 12 ASP B 38 PRO B 39 6 0.03 CISPEP 13 ASP A 38 PRO A 39 7 0.00 CISPEP 14 ASP B 38 PRO B 39 7 0.04 CISPEP 15 ASP A 38 PRO A 39 8 0.09 CISPEP 16 ASP B 38 PRO B 39 8 0.04 CISPEP 17 ASP A 38 PRO A 39 9 0.07 CISPEP 18 ASP B 38 PRO B 39 9 0.01 CISPEP 19 ASP A 38 PRO A 39 10 -0.02 CISPEP 20 ASP B 38 PRO B 39 10 0.00 CISPEP 21 ASP A 38 PRO A 39 11 0.07 CISPEP 22 ASP B 38 PRO B 39 11 0.09 CISPEP 23 ASP A 38 PRO A 39 12 -0.08 CISPEP 24 ASP B 38 PRO B 39 12 -0.01 CISPEP 25 ASP A 38 PRO A 39 13 0.03 CISPEP 26 ASP B 38 PRO B 39 13 -0.05 CISPEP 27 ASP A 38 PRO A 39 14 0.03 CISPEP 28 ASP B 38 PRO B 39 14 0.00 CISPEP 29 ASP A 38 PRO A 39 15 0.07 CISPEP 30 ASP B 38 PRO B 39 15 -0.06 CISPEP 31 ASP A 38 PRO A 39 16 0.05 CISPEP 32 ASP B 38 PRO B 39 16 -0.07 CISPEP 33 ASP A 38 PRO A 39 17 -0.03 CISPEP 34 ASP B 38 PRO B 39 17 0.03 CISPEP 35 ASP A 38 PRO A 39 18 -0.03 CISPEP 36 ASP B 38 PRO B 39 18 0.06 CISPEP 37 ASP A 38 PRO A 39 19 0.08 CISPEP 38 ASP B 38 PRO B 39 19 -0.04 CISPEP 39 ASP A 38 PRO A 39 20 0.03 CISPEP 40 ASP B 38 PRO B 39 20 -0.03 SITE 1 SIA 4 TYR A 14 ASP A 38 ASP A 99 PHE A 101 SITE 1 SIB 4 TYR B 14 ASP B 38 ASP B 99 PHE B 101 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