HEADER DE NOVO PROTEIN 10-APR-25 9QUI TITLE NI(II)-BOUND DE NOVO PROTEIN SCAFFOLD TFD-EH COMPND MOL_ID: 1; COMPND 2 MOLECULE: TFD-EH; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET-M11 KEYWDS TIM BARREL, ENZYME ENGINEERING, METAL COORDINATION, CONFORMATIONAL KEYWDS 2 DYNAMICS, DE NOVO PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.WAGNER EGEA,F.DELHOMMEL,G.MUSTAFA,F.LEISS-MAIER,L.KLIMPER, AUTHOR 2 T.BADMANN,A.HEIDER,I.C.WILLE,M.GROLL,M.SATTLER,C.ZEYMER REVDAT 2 21-JAN-26 9QUI 1 JRNL REVDAT 1 19-NOV-25 9QUI 0 JRNL AUTH P.WAGNER EGEA,F.DELHOMMEL,G.MUSTAFA,F.LEISS-MAIER,L.KLIMPER, JRNL AUTH 2 T.BADMANN,A.HEIDER,I.WILLE,M.GROLL,M.SATTLER,C.ZEYMER JRNL TITL MODULAR PROTEIN SCAFFOLD ARCHITECTURE AND AI-GUIDED SEQUENCE JRNL TITL 2 OPTIMIZATION FACILITATE DE NOVO METALLOENZYME ENGINEERING. JRNL REF STRUCTURE V. 34 32 2026 JRNL REFN ISSN 0969-2126 JRNL PMID 41197620 JRNL DOI 10.1016/J.STR.2025.10.010 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 13253 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 697 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 984 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.57 REMARK 3 BIN R VALUE (WORKING SET) : 0.2950 REMARK 3 BIN FREE R VALUE SET COUNT : 51 REMARK 3 BIN FREE R VALUE : 0.3680 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1311 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 17 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 60.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.43000 REMARK 3 B22 (A**2) : 0.43000 REMARK 3 B33 (A**2) : -1.38000 REMARK 3 B12 (A**2) : 0.21000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.449 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.154 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.116 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.107 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1341 ; 0.003 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 1387 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1793 ; 1.200 ; 1.624 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3182 ; 1.111 ; 1.591 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 169 ; 5.507 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 66 ;36.970 ;22.879 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 268 ;13.622 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;22.820 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 178 ; 0.043 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1501 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 287 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 679 ; 3.255 ; 5.410 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 678 ; 3.254 ; 5.404 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 847 ; 4.317 ; 8.109 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 848 ; 4.316 ; 8.116 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 662 ; 3.838 ; 5.973 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 663 ; 3.836 ; 5.974 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 947 ; 4.899 ; 8.710 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1359 ; 5.553 ;62.701 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1359 ; 5.551 ;62.704 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 2725 ; 0.977 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A -3 A 297 REMARK 3 ORIGIN FOR THE GROUP (A): -25.0000 30.4429 5.1466 REMARK 3 T TENSOR REMARK 3 T11: 0.0147 T22: 0.0540 REMARK 3 T33: 0.0736 T12: -0.0109 REMARK 3 T13: -0.0138 T23: 0.0053 REMARK 3 L TENSOR REMARK 3 L11: 0.6807 L22: 0.9456 REMARK 3 L33: 0.6767 L12: -0.1082 REMARK 3 L13: -0.1458 L23: 0.0681 REMARK 3 S TENSOR REMARK 3 S11: 0.0223 S12: 0.1026 S13: -0.0126 REMARK 3 S21: -0.0875 S22: -0.0163 S23: 0.1235 REMARK 3 S31: -0.0063 S32: -0.0933 S33: -0.0060 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9QUI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-APR-25. REMARK 100 THE DEPOSITION ID IS D_1292147057. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-OCT-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X13 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9763 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13957 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 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 (%) : 96.1 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.64000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05 M IMIDAZOLE, 12% PEG 6000, PH REMARK 280 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 23.73667 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 47.47333 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 47.47333 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 23.73667 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: 7160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 23.73667 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 LYS A 167 REMARK 465 GLY A 168 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 ASP A 47 -4.74 -146.36 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 NI A 201 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 31 OE1 REMARK 620 2 GLU A 31 OE2 55.3 REMARK 620 3 HIS A 154 NE2 95.9 109.3 REMARK 620 4 IMD A 202 N1 73.8 125.7 92.0 REMARK 620 5 IMD A 202 N3 86.6 138.3 88.8 13.0 REMARK 620 6 IMD A 203 N3 91.5 87.1 163.4 75.9 76.8 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6ZV9 RELATED DB: PDB REMARK 900 TERBIUM(III)-BOUND DE NOVO TIM BARREL-FERREDOXIN FOLD FUSION DIMER REMARK 900 WITH 4-GLUTAMATE BINDING SITE AND TRYPTOPHAN ANTENNA (TFD-EE N6W) DBREF 9QUI A -3 168 PDB 9QUI 9QUI -3 168 SEQRES 1 A 172 GLY ALA MET GLY ASP ILE LEU ILE VAL TRP ALA LYS ASP SEQRES 2 A 172 VAL ASP GLU MET LEU LYS GLN VAL GLU ILE LEU ARG ARG SEQRES 3 A 172 LEU GLY ALA LYS GLN ILE ALA VAL GLU SER SER ASP TRP SEQRES 4 A 172 ARG ILE LEU GLN GLU ALA LEU LYS LYS GLY GLY ASP ILE SEQRES 5 A 172 LEU ILE VAL ASN GLY GLY GLY MET THR ILE THR PHE ARG SEQRES 6 A 172 GLY ASP ASP LEU GLU ALA LEU LEU LYS ALA ALA ILE GLU SEQRES 7 A 172 MET ILE LYS GLN ALA LEU LYS PHE GLY ALA THR ILE THR SEQRES 8 A 172 LEU SER LEU ASP GLY ASN ASP LEU ASN ILE ASN ILE THR SEQRES 9 A 172 GLY VAL PRO GLU GLN VAL ARG LYS GLU LEU ALA LYS GLU SEQRES 10 A 172 ALA GLU ARG LEU ALA LYS GLU PHE GLY ILE THR VAL THR SEQRES 11 A 172 ARG THR GLY GLY GLY ASP VAL ASP GLU MET LEU LYS GLN SEQRES 12 A 172 VAL GLU ILE LEU ARG ARG LEU GLY ALA LYS GLN ILE ALA SEQRES 13 A 172 VAL HIS SER ASP ASP TRP ARG ILE LEU GLN GLU ALA LEU SEQRES 14 A 172 LYS LYS GLY HET NI A 201 1 HET IMD A 202 5 HET IMD A 203 5 HET GOL A 204 6 HET GOL A 205 6 HET NA A 206 1 HETNAM NI NICKEL (II) ION HETNAM IMD IMIDAZOLE HETNAM GOL GLYCEROL HETNAM NA SODIUM ION HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 NI NI 2+ FORMUL 3 IMD 2(C3 H5 N2 1+) FORMUL 5 GOL 2(C3 H8 O3) FORMUL 7 NA NA 1+ FORMUL 8 HOH *17(H2 O) HELIX 1 AA1 ASP A 9 LEU A 23 1 15 HELIX 2 AA2 ASP A 34 LYS A 44 1 11 HELIX 3 AA3 ASP A 64 PHE A 82 1 19 HELIX 4 AA4 PRO A 103 PHE A 121 1 19 HELIX 5 AA5 ASP A 132 LEU A 146 1 15 HELIX 6 AA6 HIS A 154 LYS A 166 1 13 SHEET 1 AA1 4 LEU A 3 TRP A 6 0 SHEET 2 AA1 4 ILE A 28 GLU A 31 1 O ALA A 29 N LEU A 3 SHEET 3 AA1 4 ILE A 48 VAL A 51 1 O ILE A 50 N VAL A 30 SHEET 4 AA1 4 GLN A 150 VAL A 153 1 O ALA A 152 N LEU A 49 SHEET 1 AA2 4 THR A 85 ASP A 91 0 SHEET 2 AA2 4 ASP A 94 THR A 100 -1 O ASN A 98 N THR A 87 SHEET 3 AA2 4 MET A 56 ARG A 61 -1 N ILE A 58 O ILE A 97 SHEET 4 AA2 4 THR A 124 THR A 128 -1 O THR A 128 N THR A 57 LINK OE1 GLU A 31 NI NI A 201 1555 1555 2.21 LINK OE2 GLU A 31 NI NI A 201 1555 1555 2.46 LINK NE2 HIS A 154 NI NI A 201 1555 1555 2.19 LINK NI NI A 201 N1 IMD A 202 1555 1555 2.34 LINK NI NI A 201 N3 IMD A 202 1555 6555 2.34 LINK NI NI A 201 N3 IMD A 203 1555 1555 2.15 CRYST1 76.740 76.740 71.210 90.00 90.00 120.00 P 31 2 1 6 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 0.013031 0.007523 0.000000 0.00000 SCALE2 0.000000 0.015047 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014043 0.00000 CONECT 271 1313 CONECT 272 1313 CONECT 1208 1313 CONECT 1313 271 272 1208 1314 CONECT 1313 1321 CONECT 1314 1313 1315 1318 CONECT 1315 1314 1316 CONECT 1316 1315 1317 CONECT 1317 1316 1318 CONECT 1318 1314 1317 CONECT 1319 1320 1323 CONECT 1320 1319 1321 CONECT 1321 1313 1320 1322 CONECT 1322 1321 1323 CONECT 1323 1319 1322 CONECT 1324 1325 1326 CONECT 1325 1324 CONECT 1326 1324 1327 1328 CONECT 1327 1326 CONECT 1328 1326 1329 CONECT 1329 1328 CONECT 1330 1331 1332 CONECT 1331 1330 CONECT 1332 1330 1333 1334 CONECT 1333 1332 CONECT 1334 1332 1335 CONECT 1335 1334 MASTER 315 0 6 6 8 0 0 6 1352 1 27 14 END