HEADER TRANSPORT PROTEIN 10-MAR-03 1OQH TITLE CRYSTAL STRUCTURE OF THE R124A MUTANT OF THE N-LOBE HUMAN TRANSFERRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SEROTRANSFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-LOBE; COMPND 5 SYNONYM: TRANSFERRIN, SIDEROPHILIN, BETA-1-METAL BINDING GLOBULIN, COMPND 6 PRO1400; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: CRICETINAE GEN. SP.; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 36483; SOURCE 7 EXPRESSION_SYSTEM_CELL: BABY HAMSTER KIDNEY (BHK) CELLS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PNUT KEYWDS TRANSFERRIN MUTAGENESIS, IRON BINDING, ANION BINDING, TRANSPORT KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.M.BAKER,Q.-Y.HE,S.K.BRIGG,A.B.MASON,E.N BAKER REVDAT 7 06-NOV-24 1OQH 1 REMARK REVDAT 6 16-AUG-23 1OQH 1 REMARK REVDAT 5 27-OCT-21 1OQH 1 REMARK SEQADV LINK REVDAT 4 24-JAN-18 1OQH 1 AUTHOR REVDAT 3 24-FEB-09 1OQH 1 VERSN REVDAT 2 11-JAN-05 1OQH 1 JRNL SOURCE REVDAT 1 18-MAR-03 1OQH 0 JRNL AUTH H.M.BAKER,Q.-Y.HE,S.K.BRIGGS,A.B.MASON,E.N.BAKER JRNL TITL STRUCTURAL AND FUNCTIONAL CONSEQUENCES OF BINDING SITE JRNL TITL 2 MUTATIONS IN TRANSFERRIN: CRYSTAL STRUCTURES OF THE ASP63GLU JRNL TITL 3 AND ARG124ALA MUTANTS OF THE N-LOBE OF HUMAN TRANSFERRIN JRNL REF BIOCHEMISTRY V. 42 7084 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12795604 JRNL DOI 10.1021/BI020689F REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.4 REMARK 3 NUMBER OF REFLECTIONS : 11560 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 SET) : 0.219 REMARK 3 FREE R VALUE : 0.288 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 626 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.47 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2880 REMARK 3 BIN FREE R VALUE : 0.4400 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2541 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 140 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.91100 REMARK 3 B22 (A**2) : 1.81000 REMARK 3 B33 (A**2) : 0.10000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : CARBONATE.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1OQH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1000018565. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-MAY-02 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 7.4 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC CONFOCAL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12186 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.5 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.51 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1A8E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, POTASSIUM ACETATE, AMMONIUM REMARK 280 BICARBONATE, PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 21.96500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.62500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.56000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.62500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.96500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.56000 REMARK 290 SMTRY3 4 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 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 VAL A 1 REMARK 465 PRO A 2 REMARK 465 PRO A 332 REMARK 465 GLU A 333 REMARK 465 ALA A 334 REMARK 465 PRO A 335 REMARK 465 ASP A 336 REMARK 465 THR A 337 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 33 CG OD1 OD2 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 LYS A 4 -174.66 63.75 REMARK 500 SER A 12 174.96 83.63 REMARK 500 SER A 32 -17.31 -47.25 REMARK 500 ASN A 55 39.14 73.53 REMARK 500 THR A 93 35.88 -99.67 REMARK 500 PHE A 107 142.24 -173.70 REMARK 500 ASN A 110 8.54 -64.59 REMARK 500 SER A 125 -73.05 -51.28 REMARK 500 TRP A 128 -64.74 -143.44 REMARK 500 CYS A 161 -9.18 88.37 REMARK 500 CYS A 174 80.34 -153.06 REMARK 500 CYS A 179 48.57 -96.11 REMARK 500 VAL A 205 -158.37 -132.23 REMARK 500 CYS A 241 63.91 -154.10 REMARK 500 LEU A 294 -46.90 73.69 REMARK 500 ARG A 308 11.99 51.23 REMARK 500 GLU A 328 -101.43 -125.87 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 63 OD1 REMARK 620 2 TYR A 95 OH 92.3 REMARK 620 3 TYR A 188 OH 166.0 99.4 REMARK 620 4 HIS A 249 NE2 88.0 103.8 96.6 REMARK 620 5 CO3 A 600 O2 86.3 158.8 80.0 97.3 REMARK 620 6 CO3 A 600 O3 80.3 93.6 91.3 159.4 65.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 701 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 151 O REMARK 620 2 ASN A 152 O 80.5 REMARK 620 3 PHE A 154 O 67.3 69.6 REMARK 620 4 GLN A 169 OE1 62.5 141.9 101.7 REMARK 620 5 HOH A 821 O 100.7 98.7 163.9 80.5 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 701 DBREF 1OQH A 1 337 UNP P02787 TRFE_HUMAN 20 356 SEQADV 1OQH ALA A 124 UNP P02787 ARG 143 ENGINEERED MUTATION SEQRES 1 A 337 VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU SEQRES 2 A 337 HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET SEQRES 3 A 337 LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS SEQRES 4 A 337 VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE SEQRES 5 A 337 ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY SEQRES 6 A 337 LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS SEQRES 7 A 337 PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO SEQRES 8 A 337 GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP SEQRES 9 A 337 SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER SEQRES 10 A 337 CYS HIS THR GLY LEU GLY ALA SER ALA GLY TRP ASN ILE SEQRES 11 A 337 PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG SEQRES 12 A 337 LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY SEQRES 13 A 337 SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN SEQRES 14 A 337 LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU SEQRES 15 A 337 ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU SEQRES 16 A 337 LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER SEQRES 17 A 337 THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP SEQRES 18 A 337 GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO SEQRES 19 A 337 VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO SEQRES 20 A 337 SER HIS THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU SEQRES 21 A 337 ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS SEQRES 22 A 337 PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER SEQRES 23 A 337 SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA SEQRES 24 A 337 HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS SEQRES 25 A 337 MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN SEQRES 26 A 337 LEU ARG GLU GLY THR CYS PRO GLU ALA PRO ASP THR HET CO3 A 600 4 HET FE A 500 1 HET K A 701 1 HETNAM CO3 CARBONATE ION HETNAM FE FE (III) ION HETNAM K POTASSIUM ION FORMUL 2 CO3 C O3 2- FORMUL 3 FE FE 3+ FORMUL 4 K K 1+ FORMUL 5 HOH *140(H2 O) HELIX 1 1 SER A 12 ILE A 30 1 19 HELIX 2 2 SER A 44 ASN A 55 1 12 HELIX 3 3 ASP A 63 LEU A 72 1 10 HELIX 4 4 GLN A 108 LEU A 112 5 5 HELIX 5 5 TRP A 128 LEU A 135 1 8 HELIX 6 6 TYR A 136 LEU A 139 5 4 HELIX 7 7 PRO A 145 PHE A 154 1 10 HELIX 8 8 PHE A 167 CYS A 171 5 5 HELIX 9 9 GLY A 187 ASP A 197 1 11 HELIX 10 10 SER A 208 LEU A 214 1 7 HELIX 11 11 ASN A 216 ASP A 221 1 6 HELIX 12 12 ASP A 236 CYS A 241 5 6 HELIX 13 13 LYS A 259 PHE A 274 1 16 HELIX 14 14 ASP A 310 GLY A 316 1 7 HELIX 15 15 GLY A 316 GLU A 328 1 13 SHEET 1 A 2 THR A 5 VAL A 11 0 SHEET 2 A 2 SER A 36 LYS A 42 1 O ALA A 38 N TRP A 8 SHEET 1 B 4 VAL A 60 LEU A 62 0 SHEET 2 B 4 THR A 250 ALA A 253 -1 O THR A 250 N LEU A 62 SHEET 3 B 4 LYS A 78 GLY A 86 -1 N VAL A 81 O VAL A 251 SHEET 4 B 4 PRO A 91 GLN A 92 -1 O GLN A 92 N TYR A 85 SHEET 1 C 4 VAL A 60 LEU A 62 0 SHEET 2 C 4 THR A 250 ALA A 253 -1 O THR A 250 N LEU A 62 SHEET 3 C 4 LYS A 78 GLY A 86 -1 N VAL A 81 O VAL A 251 SHEET 4 C 4 GLY A 301 LYS A 304 -1 O LEU A 303 N ALA A 82 SHEET 1 D 6 SER A 157 CYS A 158 0 SHEET 2 D 6 SER A 117 HIS A 119 1 N SER A 117 O CYS A 158 SHEET 3 D 6 VAL A 202 LYS A 206 1 O VAL A 202 N CYS A 118 SHEET 4 D 6 PHE A 94 LYS A 102 -1 N VAL A 98 O VAL A 205 SHEET 5 D 6 TYR A 223 LEU A 226 -1 O GLU A 224 N VAL A 101 SHEET 6 D 6 ARG A 232 PRO A 234 -1 O LYS A 233 N LEU A 225 SHEET 1 E 5 SER A 157 CYS A 158 0 SHEET 2 E 5 SER A 117 HIS A 119 1 N SER A 117 O CYS A 158 SHEET 3 E 5 VAL A 202 LYS A 206 1 O VAL A 202 N CYS A 118 SHEET 4 E 5 PHE A 94 LYS A 102 -1 N VAL A 98 O VAL A 205 SHEET 5 E 5 ALA A 244 PRO A 247 -1 O VAL A 246 N TYR A 95 SSBOND 1 CYS A 9 CYS A 48 1555 1555 2.02 SSBOND 2 CYS A 19 CYS A 39 1555 1555 2.03 SSBOND 3 CYS A 118 CYS A 194 1555 1555 2.03 SSBOND 4 CYS A 137 CYS A 331 1555 1555 2.04 SSBOND 5 CYS A 158 CYS A 174 1555 1555 2.04 SSBOND 6 CYS A 161 CYS A 179 1555 1555 2.03 SSBOND 7 CYS A 171 CYS A 177 1555 1555 2.03 SSBOND 8 CYS A 227 CYS A 241 1555 1555 2.04 LINK OD1 ASP A 63 FE FE A 500 1555 1555 2.14 LINK OH TYR A 95 FE FE A 500 1555 1555 1.97 LINK O ALA A 151 K K A 701 1555 1555 2.93 LINK O ASN A 152 K K A 701 1555 1555 3.00 LINK O PHE A 154 K K A 701 1555 1555 2.58 LINK OE1 GLN A 169 K K A 701 1555 1555 2.54 LINK OH TYR A 188 FE FE A 500 1555 1555 2.08 LINK NE2 HIS A 249 FE FE A 500 1555 1555 2.38 LINK FE FE A 500 O2 CO3 A 600 1555 1555 2.01 LINK FE FE A 500 O3 CO3 A 600 1555 1555 2.21 LINK K K A 701 O HOH A 821 1555 1555 2.68 CISPEP 1 ALA A 73 PRO A 74 0 0.73 CISPEP 2 GLU A 141 PRO A 142 0 -0.33 CISPEP 3 LYS A 144 PRO A 145 0 -0.27 SITE 1 AC1 10 ASP A 63 TYR A 95 THR A 120 ALA A 124 SITE 2 AC1 10 SER A 125 ALA A 126 GLY A 127 TYR A 188 SITE 3 AC1 10 HIS A 249 FE A 500 SITE 1 AC2 5 ASP A 63 TYR A 95 TYR A 188 HIS A 249 SITE 2 AC2 5 CO3 A 600 SITE 1 AC3 5 ALA A 151 ASN A 152 PHE A 154 GLN A 169 SITE 2 AC3 5 HOH A 821 CRYST1 43.930 57.120 135.250 90.00 90.00 90.00 P 21 21 21 4 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 0.022763 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017507 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007394 0.00000