HEADER METAL BINDING PROTEIN 07-DEC-21 7W8F TITLE CRYSTAL STRUCTURE OF SIDEROPHORE BINDING PROTEIN VATD FROM VIBRIO TITLE 2 VULNIFICUS M2799 COMPLEXED WITH DESFERAL COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE PERIPLASM BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO VULNIFICUS; SOURCE 3 ORGANISM_TAXID: 672; SOURCE 4 GENE: FHUD; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PERIPLASMIC IRON-COMPOUND BINDING PROTEIN, DEFEROXAMINE COMPLEX, KEYWDS 2 METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.TOMOO,K.MIYAMOTO REVDAT 2 29-NOV-23 7W8F 1 REMARK REVDAT 1 07-DEC-22 7W8F 0 JRNL AUTH K.TOMOO,K.MIYAMOTO JRNL TITL CRYSTAL STRUCTURE OF SIDEROPHORE BINDING PROTEIN VATD FROM JRNL TITL 2 VIBRIO VULNIFICUS M2799 COMPLEXED WITH DESFERAL JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 19251 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.101 REMARK 3 FREE R VALUE TEST SET COUNT : 982 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1336 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.29 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE SET COUNT : 64 REMARK 3 BIN FREE R VALUE : 0.4320 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2174 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 41 REMARK 3 SOLVENT ATOMS : 161 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.19 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.01700 REMARK 3 B22 (A**2) : 0.00400 REMARK 3 B33 (A**2) : 0.01400 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.00900 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.179 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.154 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.115 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.007 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2253 ; 0.009 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2165 ; 0.001 ; 0.015 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3054 ; 1.628 ; 1.660 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5002 ; 1.377 ; 1.605 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 277 ; 6.212 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 110 ;34.234 ;23.727 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 389 ;15.324 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;25.540 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 307 ; 0.127 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2516 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 484 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 466 ; 0.204 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 52 ; 0.178 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1100 ; 0.159 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 135 ; 0.157 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.146 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.043 ; 0.200 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): 1111 ; 1.861 ; 2.363 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1110 ; 1.845 ; 2.360 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1387 ; 2.670 ; 3.538 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1388 ; 2.670 ; 3.540 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1142 ; 3.039 ; 2.855 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1143 ; 3.037 ; 2.855 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1667 ; 4.868 ; 4.109 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1668 ; 4.866 ; 4.109 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT 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 THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 7W8F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-DEC-21. REMARK 100 THE DEPOSITION ID IS D_1300026176. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-21 REMARK 200 TEMPERATURE (KELVIN) : 130 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU FR-E+ SUPERBRIGHT REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS VII REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20814 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 26.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 3.480 REMARK 200 R MERGE (I) : 0.08500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34500 REMARK 200 R SYM FOR SHELL (I) : NULL 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: MOLREP REMARK 200 STARTING MODEL: 1EFD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30%(W/V) PEG-3,350, 50MM MGCL2, 0.1M REMARK 280 BIS-TRIS PH6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 28.94500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12550 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 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 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 PRO A 283 REMARK 465 GLN A 284 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O GLY A 159 OE2 GLU A 162 1.98 REMARK 500 NH1 ARG A 147 O HOH A 401 2.14 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 ASN A 46 78.19 44.80 REMARK 500 ALA A 55 -60.64 77.58 REMARK 500 SER A 180 -128.80 -144.45 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 KTY A 301 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 302 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 KTY A 301 N1 REMARK 620 2 KTY A 301 O1 52.7 REMARK 620 3 KTY A 301 O3 94.2 88.2 REMARK 620 4 KTY A 301 O5 138.0 85.7 89.0 REMARK 620 5 KTY A 301 N5 128.5 113.1 137.1 58.0 REMARK 620 6 KTY A 301 O6 100.6 107.0 163.2 85.2 29.9 REMARK 620 7 KTY A 301 O7 115.9 163.6 80.6 106.0 83.2 85.8 REMARK 620 8 KTY A 301 O8 30.3 81.0 108.2 157.7 111.5 81.8 91.1 REMARK 620 N 1 2 3 4 5 6 7 DBREF 7W8F A 6 284 UNP Q845T3 Q845T3_VIBVL 14 292 SEQADV 7W8F PRO A 5 UNP Q845T3 EXPRESSION TAG SEQRES 1 A 280 PRO ASP ILE THR HIS GLU MET GLY THR THR SER PHE GLU SEQRES 2 A 280 THR THR PRO LYS LYS VAL VAL ALA LEU ASP TRP VAL LEU SEQRES 3 A 280 THR GLU THR VAL LEU SER LEU GLY ILE GLU LEU GLU GLY SEQRES 4 A 280 ALA ALA ASN ILE SER GLY TYR GLN GLN TRP VAL ALA GLU SEQRES 5 A 280 PRO HIS LEU ASN ALA ASP ALA ILE ASP VAL GLY SER ARG SEQRES 6 A 280 ARG GLU PRO ASN LEU GLU LEU LEU SER ASN ILE LYS PRO SEQRES 7 A 280 ASP VAL ILE LEU ILE SER LYS HIS LEU ALA ALA ALA TYR SEQRES 8 A 280 GLU PRO LEU SER LYS ILE ALA PRO VAL LEU VAL TYR SER SEQRES 9 A 280 VAL TYR SER GLU ASP LYS GLN PRO LEU GLU SER ALA LYS SEQRES 10 A 280 ARG ILE THR ARG SER LEU GLY LYS LEU PHE ASP LYS GLU SEQRES 11 A 280 GLN GLN ALA GLU GLN VAL ILE ALA GLN THR ASP GLN ARG SEQRES 12 A 280 LEU ALA ALA ASN GLY ALA LYS ILE THR SER ALA GLY LYS SEQRES 13 A 280 ALA GLU LYS PRO LEU LEU PHE ALA ARG PHE ILE ASN ASP SEQRES 14 A 280 LYS THR LEU ARG ILE HIS SER GLU GLY SER LEU ALA GLN SEQRES 15 A 280 ASP THR ILE ASN ALA MET GLY LEU LYS ASN ASP TRP GLN SEQRES 16 A 280 GLU PRO THR ASN LEU TRP GLY PHE THR THR THR GLY THR SEQRES 17 A 280 GLU LYS LEU ALA GLU HIS GLN LYS ALA ASN VAL MET ILE SEQRES 18 A 280 PHE GLY PRO LEU SER GLN GLU GLU ARG GLN GLN LEU THR SEQRES 19 A 280 GLN SER PRO LEU TRP GLN ALA MET GLU PHE SER ARG THR SEQRES 20 A 280 ASP SER VAL TYR GLU LEU PRO ALA ILE TRP THR PHE GLY SEQRES 21 A 280 GLY LEU LEU ALA ALA GLN ARG LEU SER ASP HIS ILE THR SEQRES 22 A 280 GLY ARG LEU THR GLN PRO GLN HET KTY A 301 37 HET FE A 302 1 HET FE A 303 1 HET MG A 304 1 HET MG A 305 1 HETNAM KTY DESFERRIOXAMINE B HETNAM FE FE (III) ION HETNAM MG MAGNESIUM ION HETSYN KTY N~4~-{5-[ACETYL(HYDROXY)AMINO]PENTYL}-N~1~-[5-({4-[(5- HETSYN 2 KTY AMINOPENTYL)(HYDROXY)AMINO]-4-OXOBUTANOYL}AMINO) HETSYN 3 KTY PENTYL]-N~1~-HYDR OXYBUTANEDIAMIDE FORMUL 2 KTY C25 H48 N6 O8 FORMUL 3 FE 2(FE 3+) FORMUL 5 MG 2(MG 2+) FORMUL 7 HOH *161(H2 O) HELIX 1 AA1 ASP A 27 LEU A 37 1 11 HELIX 2 AA2 ASN A 46 VAL A 54 1 9 HELIX 3 AA3 ASN A 73 LYS A 81 1 9 HELIX 4 AA4 SER A 88 ALA A 93 5 6 HELIX 5 AA5 ALA A 94 LYS A 100 1 7 HELIX 6 AA6 GLN A 115 PHE A 131 1 17 HELIX 7 AA7 LYS A 133 ALA A 158 1 26 HELIX 8 AA8 SER A 183 MET A 192 1 10 HELIX 9 AA9 GLU A 213 GLN A 219 5 7 HELIX 10 AB1 SER A 230 SER A 240 1 11 HELIX 11 AB2 SER A 240 MET A 246 1 7 HELIX 12 AB3 MET A 246 THR A 251 1 6 HELIX 13 AB4 GLY A 265 GLN A 282 1 18 SHEET 1 AA1 2 ASP A 6 HIS A 9 0 SHEET 2 AA1 2 GLY A 12 SER A 15 -1 O THR A 14 N ILE A 7 SHEET 1 AA2 5 ILE A 64 ASP A 65 0 SHEET 2 AA2 5 GLY A 43 ALA A 44 1 N ALA A 44 O ILE A 64 SHEET 3 AA2 5 VAL A 23 ALA A 25 1 N ALA A 25 O GLY A 43 SHEET 4 AA2 5 VAL A 84 ILE A 87 1 O LEU A 86 N VAL A 24 SHEET 5 AA2 5 VAL A 104 VAL A 106 1 O LEU A 105 N ILE A 87 SHEET 1 AA3 5 PHE A 207 GLY A 211 0 SHEET 2 AA3 5 THR A 175 HIS A 179 -1 N ILE A 178 O THR A 208 SHEET 3 AA3 5 LEU A 165 ASN A 172 -1 N ARG A 169 O ARG A 177 SHEET 4 AA3 5 ASN A 222 GLY A 227 1 O MET A 224 N LEU A 166 SHEET 5 AA3 5 VAL A 254 ALA A 259 1 O LEU A 257 N ILE A 225 LINK N1 KTY A 301 FE FE A 302 1555 1555 2.78 LINK O1 KTY A 301 FE FE A 302 1555 1555 2.10 LINK O3 KTY A 301 FE FE A 302 1555 1555 2.07 LINK O5 KTY A 301 FE FE A 302 1555 1555 2.11 LINK N5 KTY A 301 FE FE A 302 1555 1555 2.78 LINK O6 KTY A 301 FE FE A 302 1555 1555 1.92 LINK O7 KTY A 301 FE FE A 302 1555 1555 2.01 LINK O8 KTY A 301 FE FE A 302 1555 1555 2.04 CISPEP 1 GLU A 56 PRO A 57 0 -4.16 CISPEP 2 GLY A 227 PRO A 228 0 -3.00 CRYST1 34.800 57.890 62.700 90.00 95.02 90.00 P 1 21 1 2 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 0.028736 0.000000 0.002524 0.00000 SCALE2 0.000000 0.017274 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016010 0.00000