HEADER ISOMERASE 18-MAY-21 7EUP TITLE STRUCTURAL AND MECHANISTIC STUDIES OF A NOVEL NON-HEME IRON TITLE 2 EPIMERASE/LYASE AND ITS UTILIZATION IN CHEMOSELECTIVE SYNTHESIS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CUPIN DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES ALBUS; SOURCE 3 ORGANISM_TAXID: 1888; SOURCE 4 GENE: STNK3, G3260_000576; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS NON-HEME IRON EPIMERASE/LYASE, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR T.L.LI,Y.S.LI,M.H.CHEN REVDAT 2 29-NOV-23 7EUP 1 REMARK REVDAT 1 16-MAR-22 7EUP 0 JRNL AUTH M.H.CHEN,Y.S.LI,N.S.HSU,K.H.LIN,Y.L.WANG,Z.C.WANG,C.F.CHANG, JRNL AUTH 2 J.P.LIN,C.Y.CHANG,T.L.LI JRNL TITL STRUCTURAL AND MECHANISTIC BASES FOR STNK3 AND ITS JRNL TITL 2 MUTANT-MEDIATED LEWIS-ACID-DEPENDENT EPIMERIZATION AND JRNL TITL 3 RETRO-ALDOL REACTIONS. JRNL REF ACS CATALYSIS V. 12 1945 2022 JRNL REFN ESSN 2155-5435 JRNL DOI 10.1021/ACSCATAL.1C04790 REMARK 2 REMARK 2 RESOLUTION. 2.11 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX V1.11.1 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.11 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.368 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 17326 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.189 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.998 REMARK 3 FREE R VALUE TEST SET COUNT : 866 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.1942 - 3.8301 0.94 2780 151 0.1611 0.1884 REMARK 3 2 3.8301 - 3.0422 0.96 2715 147 0.1850 0.2261 REMARK 3 3 3.0422 - 2.6583 0.97 2746 146 0.2150 0.2366 REMARK 3 4 2.6583 - 2.4155 0.98 2736 142 0.2194 0.2705 REMARK 3 5 2.4155 - 2.2426 0.98 2728 137 0.2129 0.2589 REMARK 3 6 2.2426 - 2.1105 0.99 2755 143 0.2014 0.2336 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.188 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.888 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.46 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.010 1803 REMARK 3 ANGLE : 1.364 2466 REMARK 3 CHIRALITY : 0.080 288 REMARK 3 PLANARITY : 0.007 322 REMARK 3 DIHEDRAL : 13.061 1048 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : 1 REMARK 3 NCS GROUP : 1 REMARK 3 NCS OPERATOR : 1 REMARK 3 REFERENCE SELECTION: (CHAIN 'A' AND (RESID 12 THROUGH 25 OR REMARK 3 RESID 29 THROUGH 128)) REMARK 3 SELECTION : CHAIN 'B' REMARK 3 ATOM PAIRS NUMBER : NULL REMARK 3 RMSD : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7EUP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-MAY-21. REMARK 100 THE DEPOSITION ID IS D_1300022288. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-DEC-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSRRC REMARK 200 BEAMLINE : BL15A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17329 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.110 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 7.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04600 REMARK 200 FOR THE DATA SET : 25.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.11 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.19 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.52400 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX V1.11.1 REMARK 200 STARTING MODEL: 6J4C REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2 M SODIUM PHOSPHATE MONOBASIC REMARK 280 MONOHYDRATE, POTASSIUM PHOSPHATE DIBASIC, PH 7.8, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.59200 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 38.79600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 38.79600 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 77.59200 REMARK 290 REMARK 290 REMARK: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 465 VAL A 3 REMARK 465 GLN A 4 REMARK 465 ASP A 5 REMARK 465 LYS A 6 REMARK 465 ALA A 7 REMARK 465 ALA A 8 REMARK 465 GLY A 9 REMARK 465 SER A 10 REMARK 465 ARG A 130 REMARK 465 LEU A 131 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 VAL B 3 REMARK 465 GLN B 4 REMARK 465 ASP B 5 REMARK 465 LYS B 6 REMARK 465 ALA B 7 REMARK 465 ALA B 8 REMARK 465 GLY B 9 REMARK 465 SER B 10 REMARK 465 ASP B 11 REMARK 465 GLY B 26 REMARK 465 HIS B 27 REMARK 465 HIS B 28 REMARK 465 ASP B 129 REMARK 465 ARG B 130 REMARK 465 LEU B 131 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 LEU A 47 CA - CB - CG ANGL. DEV. = 15.7 DEGREES REMARK 500 LEU B 47 CA - CB - CG ANGL. DEV. = 14.5 DEGREES REMARK 500 LEU B 55 CA - CB - CG ANGL. DEV. = 16.1 DEGREES REMARK 500 LYS B 58 C - N - CA ANGL. DEV. = -20.5 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 64 NE2 REMARK 620 2 HIS A 66 NE2 109.3 REMARK 620 3 GLU A 70 OE1 164.5 85.0 REMARK 620 4 HIS A 109 NE2 90.4 101.8 80.7 REMARK 620 5 JCX A 202 N01 92.2 82.5 95.6 173.9 REMARK 620 6 JCX A 202 O12 80.2 155.6 89.0 100.6 74.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 64 NE2 REMARK 620 2 HIS B 66 NE2 99.8 REMARK 620 3 GLU B 70 OE1 150.7 92.7 REMARK 620 4 HIS B 109 NE2 85.1 102.6 66.2 REMARK 620 5 JCX B 202 O13 78.4 165.8 95.5 91.3 REMARK 620 6 JCX B 202 N01 80.4 87.3 126.9 163.7 78.5 REMARK 620 N 1 2 3 4 5 DBREF 7EUP A 1 131 UNP L7PIL3 L7PIL3_9ACTN 1 131 DBREF 7EUP B 1 131 UNP L7PIL3 L7PIL3_9ACTN 1 131 SEQRES 1 A 131 MET THR VAL GLN ASP LYS ALA ALA GLY SER ASP ALA GLU SEQRES 2 A 131 ILE VAL THR ALA LEU PRO VAL PRO LEU ALA VAL ALA GLY SEQRES 3 A 131 HIS HIS GLN PRO ALA PRO PHE TYR LEU THR ALA ASP MET SEQRES 4 A 131 PHE GLY GLY LEU PRO VAL GLN LEU ALA GLY GLY GLU LEU SEQRES 5 A 131 SER LYS LEU VAL GLY LYS PRO VAL ALA ALA PRO HIS VAL SEQRES 6 A 131 HIS GLU VAL ASP GLU LEU TYR PHE LEU VAL SER PRO GLU SEQRES 7 A 131 PRO GLY GLN ALA ARG ILE GLU VAL HIS LEU ASP GLY VAL SEQRES 8 A 131 ARG HIS GLU LEU VAL SER PRO ALA VAL MET ARG ILE PRO SEQRES 9 A 131 ALA GLY SER GLU HIS CYS PHE LEU THR LEU GLU ALA THR SEQRES 10 A 131 VAL GLY SER TYR CYS PHE GLY ILE LEU VAL GLY ASP ARG SEQRES 11 A 131 LEU SEQRES 1 B 131 MET THR VAL GLN ASP LYS ALA ALA GLY SER ASP ALA GLU SEQRES 2 B 131 ILE VAL THR ALA LEU PRO VAL PRO LEU ALA VAL ALA GLY SEQRES 3 B 131 HIS HIS GLN PRO ALA PRO PHE TYR LEU THR ALA ASP MET SEQRES 4 B 131 PHE GLY GLY LEU PRO VAL GLN LEU ALA GLY GLY GLU LEU SEQRES 5 B 131 SER LYS LEU VAL GLY LYS PRO VAL ALA ALA PRO HIS VAL SEQRES 6 B 131 HIS GLU VAL ASP GLU LEU TYR PHE LEU VAL SER PRO GLU SEQRES 7 B 131 PRO GLY GLN ALA ARG ILE GLU VAL HIS LEU ASP GLY VAL SEQRES 8 B 131 ARG HIS GLU LEU VAL SER PRO ALA VAL MET ARG ILE PRO SEQRES 9 B 131 ALA GLY SER GLU HIS CYS PHE LEU THR LEU GLU ALA THR SEQRES 10 B 131 VAL GLY SER TYR CYS PHE GLY ILE LEU VAL GLY ASP ARG SEQRES 11 B 131 LEU HET FE A 201 1 HET JCX A 202 13 HET FE B 201 1 HET JCX B 202 13 HETNAM FE FE (III) ION HETNAM JCX (2S,3R)-2-AZANYL-3-PHENYL-BUTANOIC ACID FORMUL 3 FE 2(FE 3+) FORMUL 4 JCX 2(C10 H13 N O2) FORMUL 7 HOH *69(H2 O) HELIX 1 AA1 ASP A 38 GLY A 42 5 5 HELIX 2 AA2 ASP B 38 GLY B 42 5 5 SHEET 1 AA1 7 GLU A 13 VAL A 15 0 SHEET 2 AA1 7 ALA B 99 ILE B 103 -1 O VAL B 100 N VAL A 15 SHEET 3 AA1 7 ASP B 69 VAL B 75 -1 N GLU B 70 O ILE B 103 SHEET 4 AA1 7 TYR B 121 VAL B 127 -1 O ILE B 125 N LEU B 71 SHEET 5 AA1 7 VAL B 45 GLU B 51 -1 N ALA B 48 O GLY B 124 SHEET 6 AA1 7 ALA B 31 LEU B 35 -1 N LEU B 35 O LEU B 47 SHEET 7 AA1 7 VAL B 20 LEU B 22 -1 N VAL B 20 O PHE B 33 SHEET 1 AA2 7 VAL A 20 LEU A 22 0 SHEET 2 AA2 7 ALA A 31 LEU A 35 -1 O PHE A 33 N VAL A 20 SHEET 3 AA2 7 VAL A 45 GLU A 51 -1 O LEU A 47 N TYR A 34 SHEET 4 AA2 7 TYR A 121 VAL A 127 -1 O GLY A 124 N ALA A 48 SHEET 5 AA2 7 ASP A 69 VAL A 75 -1 N PHE A 73 O PHE A 123 SHEET 6 AA2 7 ALA A 99 ILE A 103 -1 O ILE A 103 N GLU A 70 SHEET 7 AA2 7 GLU B 13 VAL B 15 -1 O VAL B 15 N VAL A 100 SHEET 1 AA3 3 VAL A 91 VAL A 96 0 SHEET 2 AA3 3 ARG A 83 LEU A 88 -1 N VAL A 86 O HIS A 93 SHEET 3 AA3 3 HIS A 109 GLU A 115 -1 O LEU A 112 N GLU A 85 SHEET 1 AA4 3 VAL B 91 VAL B 96 0 SHEET 2 AA4 3 ALA B 82 LEU B 88 -1 N VAL B 86 O HIS B 93 SHEET 3 AA4 3 HIS B 109 ALA B 116 -1 O GLU B 115 N ARG B 83 LINK NE2 HIS A 64 FE FE A 201 1555 1555 2.41 LINK NE2 HIS A 66 FE FE A 201 1555 1555 2.29 LINK OE1 GLU A 70 FE FE A 201 1555 1555 2.09 LINK NE2 HIS A 109 FE FE A 201 1555 1555 2.35 LINK FE FE A 201 N01 JCX A 202 1555 1555 2.41 LINK FE FE A 201 O12 JCX A 202 1555 1555 2.59 LINK NE2 HIS B 64 FE FE B 201 1555 1555 2.21 LINK NE2 HIS B 66 FE FE B 201 1555 1555 2.18 LINK OE1 GLU B 70 FE FE B 201 1555 1555 2.08 LINK NE2 HIS B 109 FE FE B 201 1555 1555 2.56 LINK FE FE B 201 O13 JCX B 202 1555 1555 2.42 LINK FE FE B 201 N01 JCX B 202 1555 1555 2.30 CISPEP 1 LEU A 18 PRO A 19 0 -8.17 CISPEP 2 SER A 97 PRO A 98 0 -2.55 CISPEP 3 LEU B 18 PRO B 19 0 -5.06 CISPEP 4 SER B 97 PRO B 98 0 -1.89 CRYST1 66.822 66.822 116.388 90.00 90.00 120.00 P 32 2 1 12 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 0.014965 0.008640 0.000000 0.00000 SCALE2 0.000000 0.017280 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008592 0.00000