HEADER TRANSPORT PROTEIN 06-AUG-01 1JQF TITLE HUMAN TRANSFERRIN N-LOBE MUTANT H249Q COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINUS (RESIDUES 20-353); COMPND 5 SYNONYM: SIDEROPHILIN; COMPND 6 ENGINEERED: YES; COMPND 7 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: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 8 EXPRESSION_SYSTEM_CELL: KIDNEY; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNUT KEYWDS IRON BINDING PROTEIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.M.BAKER,A.B.MASON,Q.-Y.HE,R.T.A.MACGILLIVRAY,E.N.BAKER REVDAT 6 09-OCT-24 1JQF 1 REMARK REVDAT 5 16-AUG-23 1JQF 1 REMARK REVDAT 4 27-OCT-21 1JQF 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1JQF 1 VERSN REVDAT 2 01-APR-03 1JQF 1 JRNL REVDAT 1 17-OCT-01 1JQF 0 JRNL AUTH H.M.BAKER,A.B.MASON,Q.Y.HE,R.T.MACGILLIVRAY,E.N.BAKER JRNL TITL LIGAND VARIATION IN THE TRANSFERRIN FAMILY: THE CRYSTAL JRNL TITL 2 STRUCTURE OF THE H249Q MUTANT OF THE HUMAN TRANSFERRIN JRNL TITL 3 N-LOBE AS A MODEL FOR IRON BINDING IN INSECT TRANSFERRINS. JRNL REF BIOCHEMISTRY V. 40 11670 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11570867 JRNL DOI 10.1021/BI010907P REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 28873 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) : 0.221 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1426 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2546 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 192 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) : 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 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.250 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JQF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-AUG-01. REMARK 100 THE DEPOSITION ID IS D_1000014067. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-00 REMARK 200 TEMPERATURE (KELVIN) : 110 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) : 1.54 REMARK 200 MONOCHROMATOR : TR MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE 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 : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.0000 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 (%) : 96.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.39400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1A8E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HANGING DROP. PROTEIN SOLUTION 35 REMARK 280 MG/ML PROTEIN IN 0.1M AMMONIUM BICARBONATE PH 7.4. RESERVOIR REMARK 280 SOLUTION 0.1M POTASSIUM ACETATE, PH 7.4, 20-25% PEG 3350. EQUAL REMARK 280 VOLUMES OF PROTEIN AND RESERVOIR SOLUTIONS MIXED., VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 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 22.10000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.87500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.87500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.10000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.60000 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 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: 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 CYS A 194 CA - CB - SG ANGL. DEV. = 6.8 DEGREES 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 LYS A 4 176.06 63.35 REMARK 500 SER A 12 176.63 75.42 REMARK 500 SER A 32 -8.52 -58.06 REMARK 500 TYR A 85 -168.54 -121.51 REMARK 500 THR A 93 32.41 -99.10 REMARK 500 SER A 125 -77.13 -52.66 REMARK 500 TRP A 128 -67.27 -144.12 REMARK 500 CYS A 161 -10.88 84.92 REMARK 500 CYS A 174 79.31 -151.31 REMARK 500 CYS A 179 42.34 -98.74 REMARK 500 VAL A 205 -157.75 -133.59 REMARK 500 GLU A 237 30.49 -96.96 REMARK 500 CYS A 241 67.03 -161.19 REMARK 500 ALA A 244 171.67 174.51 REMARK 500 SER A 287 141.22 -170.94 REMARK 500 LEU A 294 -42.92 75.33 REMARK 500 ARG A 308 5.60 55.77 REMARK 500 GLU A 328 -112.07 -115.59 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 84.5 REMARK 620 3 TYR A 188 OH 177.1 94.1 REMARK 620 4 GLN A 249 OE1 88.4 105.9 89.6 REMARK 620 5 CO3 A 600 O2 88.3 157.0 94.0 95.6 REMARK 620 6 CO3 A 600 O3 85.1 94.2 97.5 158.1 63.3 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 80.8 REMARK 620 3 PHE A 154 O 68.4 76.2 REMARK 620 4 GLN A 169 OE1 68.3 142.9 109.1 REMARK 620 5 HOH A 821 O 100.3 88.7 162.2 77.4 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 1JQF A 1 334 UNP P02787 TRFE_HUMAN 20 353 SEQADV 1JQF GLN A 249 UNP P02787 HIS 268 ENGINEERED MUTATION SEQRES 1 A 334 VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU SEQRES 2 A 334 HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET SEQRES 3 A 334 LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS SEQRES 4 A 334 VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE SEQRES 5 A 334 ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY SEQRES 6 A 334 LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS SEQRES 7 A 334 PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO SEQRES 8 A 334 GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP SEQRES 9 A 334 SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER SEQRES 10 A 334 CYS HIS THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE SEQRES 11 A 334 PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG SEQRES 12 A 334 LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY SEQRES 13 A 334 SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN SEQRES 14 A 334 LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU SEQRES 15 A 334 ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU SEQRES 16 A 334 LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER SEQRES 17 A 334 THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP SEQRES 18 A 334 GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO SEQRES 19 A 334 VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO SEQRES 20 A 334 SER GLN THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU SEQRES 21 A 334 ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS SEQRES 22 A 334 PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER SEQRES 23 A 334 SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA SEQRES 24 A 334 HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS SEQRES 25 A 334 MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN SEQRES 26 A 334 LEU ARG GLU GLY THR CYS PRO GLU ALA 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 *192(H2 O) HELIX 1 1 SER A 12 ILE A 30 1 19 HELIX 2 2 SER A 44 ALA A 54 1 11 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 TYR A 136 1 9 HELIX 6 6 CYS A 137 LEU A 139 5 3 HELIX 7 7 PRO A 145 PHE A 154 1 10 HELIX 8 8 PHE A 167 GLN A 172 5 6 HELIX 9 9 PHE A 186 ASP A 197 1 12 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 GLY A 275 1 17 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 0 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 0 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 PHE A 204 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 0 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 PHE A 204 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 0 SSBOND 1 CYS A 9 CYS A 48 1555 1555 2.03 SSBOND 2 CYS A 19 CYS A 39 1555 1555 2.03 SSBOND 3 CYS A 118 CYS A 194 1555 1555 2.02 SSBOND 4 CYS A 137 CYS A 331 1555 1555 2.03 SSBOND 5 CYS A 158 CYS A 174 1555 1555 2.03 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 2.03 LINK OD1 ASP A 63 FE FE A 500 1555 1555 2.10 LINK OH TYR A 95 FE FE A 500 1555 1555 1.98 LINK O ALA A 151 K K A 701 1555 1555 2.88 LINK O ASN A 152 K K A 701 1555 1555 3.06 LINK O PHE A 154 K K A 701 1555 1555 2.54 LINK OE1 GLN A 169 K K A 701 1555 1555 2.72 LINK OH TYR A 188 FE FE A 500 1555 1555 1.89 LINK OE1 GLN A 249 FE FE A 500 1555 1555 2.35 LINK FE FE A 500 O2 CO3 A 600 1555 1555 2.15 LINK FE FE A 500 O3 CO3 A 600 1555 1555 2.18 LINK K K A 701 O HOH A 821 1555 1555 2.74 CISPEP 1 ALA A 73 PRO A 74 0 0.12 CISPEP 2 GLU A 141 PRO A 142 0 -0.16 CISPEP 3 LYS A 144 PRO A 145 0 0.01 SITE 1 AC1 10 ASP A 63 TYR A 95 THR A 120 ARG A 124 SITE 2 AC1 10 SER A 125 ALA A 126 GLY A 127 TYR A 188 SITE 3 AC1 10 GLN A 249 FE A 500 SITE 1 AC2 5 ASP A 63 TYR A 95 TYR A 188 GLN 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 44.200 57.200 135.750 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 0.022624 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017483 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007366 0.00000