PDB Short entry for 1B3E HEADER IRON TRANSPORT 09-DEC-98 1B3E TITLE HUMAN SERUM TRANSFERRIN, N-TERMINAL LOBE, EXPRESSED IN PICHIA PASTORIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (SERUM TRANSFERRIN); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL LOBE; COMPND 5 ENGINEERED: 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: PICHIA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS IRON TRANSPORT, GLYCOPROTEIN, TRANSFERRIN, PICHIA PASTORIS, KEYWDS 2 GLYCOSYLATION EXPDTA X-RAY DIFFRACTION AUTHOR M.C.BEWLEY,B.M.TAM,J.GREWAL,S.HE,S.SHEWRY,M.E.P.MURPHY,A.B.MASON, AUTHOR 2 R.C.WOODWORTH,E.N.BAKER,R.T.A.MACGILLIVRAY REVDAT 4 09-AUG-23 1B3E 1 REMARK SEQADV REVDAT 3 24-FEB-09 1B3E 1 VERSN REVDAT 2 01-APR-03 1B3E 1 JRNL REVDAT 1 26-MAR-99 1B3E 0 JRNL AUTH M.C.BEWLEY,B.M.TAM,J.GREWAL,S.HE,S.SHEWRY,M.E.MURPHY, JRNL AUTH 2 A.B.MASON,R.C.WOODWORTH,E.N.BAKER,R.T.MACGILLIVRAY JRNL TITL X-RAY CRYSTALLOGRAPHY AND MASS SPECTROSCOPY REVEAL THAT THE JRNL TITL 2 N-LOBE OF HUMAN TRANSFERRIN EXPRESSED IN PICHIA PASTORIS IS JRNL TITL 3 FOLDED CORRECTLY BUT IS GLYCOSYLATED ON SERINE-32. JRNL REF BIOCHEMISTRY V. 38 2535 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10029548 JRNL DOI 10.1021/BI9824543 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 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) (%) : 96.2 REMARK 3 NUMBER OF REFLECTIONS : 13490 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : R-FREE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM SELECTION REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1069 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 : 2558 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 64 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.00 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) : 6.00 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 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 1B3E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-DEC-98. REMARK 100 THE DEPOSITION ID IS D_1000000238. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-96 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 6.25 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15238 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.24500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1A8F (HUMAN TRANSFERRIN N-LOBE) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 40% REMARK 280 (V/V) ETHANOL WITH 50MM SODIUM CACODYLATE, PH 6.25. GROWN IN REMARK 280 SITTING DROPS AT 277 K. RESERVOIRS CONTAINED 40% (V/V) ETHANOL, REMARK 280 50MM SODIUM CACODYLATE, PH 5.8 - 6.3. PRIOR TO CRYSTALLIZATION, REMARK 280 THE PROTEIN WAS DIALYSED AGAINST SODIUM BICARBONATE, PH 8.1, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 78.35000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 36.75000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 36.75000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 39.17500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 36.75000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 36.75000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 117.52500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 36.75000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.75000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 39.17500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 36.75000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.75000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 117.52500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 78.35000 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 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 ASP A 63 CB - CG - OD1 ANGL. DEV. = 5.5 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 SER A 12 -176.53 72.10 REMARK 500 THR A 93 43.15 -107.74 REMARK 500 SER A 125 -70.91 -52.20 REMARK 500 TRP A 128 -56.14 -143.78 REMARK 500 LYS A 144 -4.54 -46.64 REMARK 500 LEU A 146 -86.19 35.01 REMARK 500 SER A 155 43.66 -100.61 REMARK 500 CYS A 161 -2.11 81.74 REMARK 500 PRO A 175 117.74 -39.39 REMARK 500 CYS A 179 47.52 -96.94 REMARK 500 VAL A 205 -158.74 -132.27 REMARK 500 ASN A 230 44.44 74.85 REMARK 500 ASP A 277 -29.08 85.10 REMARK 500 PHE A 285 43.43 -106.61 REMARK 500 LEU A 294 -45.56 82.33 REMARK 500 PRO A 332 122.69 -32.66 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 CARBONATE ION IS COVALENTLY BOUND TO THE REMARK 600 FERRIC ION 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 400 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 63 OD1 REMARK 620 2 TYR A 95 OH 83.4 REMARK 620 3 TYR A 188 OH 178.0 95.3 REMARK 620 4 HIS A 249 NE2 81.9 106.2 97.0 REMARK 620 5 CO3 A 401 O2 90.3 145.7 91.7 106.2 REMARK 620 6 CO3 A 401 O1 77.3 82.4 104.0 156.5 63.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FE REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: FERRIC ION BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A 401 DBREF 1B3E A 4 333 UNP P02787 TRFE_HUMAN 23 352 SEQADV 1B3E ASN A 222 UNP P02787 GLN 241 CONFLICT SEQRES 1 A 330 LYS THR VAL ARG TRP CYS ALA VAL SER GLU HIS GLU ALA SEQRES 2 A 330 THR LYS CYS GLN SER PHE ARG ASP HIS MET LYS SER VAL SEQRES 3 A 330 ILE PRO SER ASP GLY PRO SER VAL ALA CYS VAL LYS LYS SEQRES 4 A 330 ALA SER TYR LEU ASP CYS ILE ARG ALA ILE ALA ALA ASN SEQRES 5 A 330 GLU ALA ASP ALA VAL THR LEU ASP ALA GLY LEU VAL TYR SEQRES 6 A 330 ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS PRO VAL VAL SEQRES 7 A 330 ALA GLU PHE TYR GLY SER LYS GLU ASP PRO GLN THR PHE SEQRES 8 A 330 TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP SER GLY PHE SEQRES 9 A 330 GLN MET ASN GLN LEU ARG GLY LYS LYS SER CYS HIS THR SEQRES 10 A 330 GLY LEU GLY ARG SER ALA GLY TRP ASN ILE PRO ILE GLY SEQRES 11 A 330 LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG LYS PRO LEU SEQRES 12 A 330 GLU LYS ALA VAL ALA ASN PHE PHE SER GLY SER CYS ALA SEQRES 13 A 330 PRO CYS ALA ASP GLY THR ASP PHE PRO GLN LEU CYS GLN SEQRES 14 A 330 LEU CYS PRO GLY CYS GLY CYS SER THR LEU ASN GLN TYR SEQRES 15 A 330 PHE GLY TYR SER GLY ALA PHE LYS CYS LEU LYS ASP GLY SEQRES 16 A 330 ALA GLY ASP VAL ALA PHE VAL LYS HIS SER THR ILE PHE SEQRES 17 A 330 GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP ASN TYR GLU SEQRES 18 A 330 LEU LEU CYS LEU ASP ASN THR ARG LYS PRO VAL ASP GLU SEQRES 19 A 330 TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO SER HIS THR SEQRES 20 A 330 VAL VAL ALA ARG SER MET GLY GLY LYS GLU ASP LEU ILE SEQRES 21 A 330 TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS PHE GLY LYS SEQRES 22 A 330 ASP LYS SER LYS GLU PHE GLN LEU PHE SER SER PRO HIS SEQRES 23 A 330 GLY LYS ASP LEU LEU PHE LYS ASP SER ALA HIS GLY PHE SEQRES 24 A 330 LEU LYS VAL PRO PRO ARG MET ASP ALA LYS MET TYR LEU SEQRES 25 A 330 GLY TYR GLU TYR VAL THR ALA ILE ARG ASN LEU ARG GLU SEQRES 26 A 330 GLY THR CYS PRO GLU HET FE A 400 1 HET CO3 A 401 4 HETNAM FE FE (III) ION HETNAM CO3 CARBONATE ION FORMUL 2 FE FE 3+ FORMUL 3 CO3 C O3 2- FORMUL 4 HOH *64(H2 O) HELIX 1 1 SER A 12 VAL A 29 1 18 HELIX 2 2 TYR A 45 ALA A 53 1 9 HELIX 3 3 ALA A 64 TYR A 71 5 8 HELIX 4 4 MET A 109 GLN A 111 5 3 HELIX 5 5 ASN A 129 TYR A 136 1 8 HELIX 6 6 LEU A 146 PHE A 153 5 8 HELIX 7 7 PRO A 168 CYS A 171 5 4 HELIX 8 8 GLY A 187 LYS A 196 1 10 HELIX 9 9 THR A 209 ASN A 213 1 5 HELIX 10 10 LYS A 217 ASN A 222 1 6 HELIX 11 11 GLU A 260 PHE A 274 1 15 HELIX 12 12 ALA A 311 LEU A 315 1 5 HELIX 13 13 TYR A 317 GLU A 328 1 12 SHEET 1 A 2 THR A 5 VAL A 11 0 SHEET 2 A 2 SER A 36 LYS A 42 1 N SER A 36 O VAL A 6 SHEET 1 B 4 VAL A 60 LEU A 62 0 SHEET 2 B 4 THR A 250 ARG A 254 -1 N VAL A 252 O VAL A 60 SHEET 3 B 4 LEU A 77 TYR A 85 -1 N VAL A 81 O VAL A 251 SHEET 4 B 4 ALA A 299 LYS A 304 -1 N LEU A 303 O ALA A 82 SHEET 1 C 5 ALA A 244 PRO A 247 0 SHEET 2 C 5 PHE A 94 VAL A 100 -1 N ALA A 97 O ALA A 244 SHEET 3 C 5 VAL A 202 LYS A 206 -1 N VAL A 205 O VAL A 98 SHEET 4 C 5 SER A 117 HIS A 119 1 N CYS A 118 O VAL A 202 SHEET 5 C 5 SER A 157 ALA A 159 1 N CYS A 158 O SER A 117 SHEET 1 D 3 ALA A 99 LYS A 102 0 SHEET 2 D 3 TYR A 223 LEU A 226 -1 N LEU A 226 O ALA A 99 SHEET 3 D 3 ARG A 232 PRO A 234 -1 N LYS A 233 O LEU A 225 SSBOND 1 CYS A 9 CYS A 48 1555 1555 2.04 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 2.01 SSBOND 7 CYS A 171 CYS A 177 1555 1555 2.02 SSBOND 8 CYS A 227 CYS A 241 1555 1555 2.03 LINK OD1 ASP A 63 FE FE A 400 1555 1555 2.01 LINK OH TYR A 95 FE FE A 400 1555 1555 1.89 LINK OH TYR A 188 FE FE A 400 1555 1555 1.91 LINK NE2 HIS A 249 FE FE A 400 1555 1555 2.12 LINK FE FE A 400 O2 CO3 A 401 1555 1555 2.02 LINK FE FE A 400 O1 CO3 A 401 1555 1555 2.02 CISPEP 1 ALA A 73 PRO A 74 0 0.71 SITE 1 FE 4 ASP A 63 TYR A 95 TYR A 188 HIS A 249 SITE 1 AC1 5 ASP A 63 TYR A 95 TYR A 188 HIS A 249 SITE 2 AC1 5 CO3 A 401 SITE 1 AC2 10 ASP A 63 TYR A 95 THR A 120 ARG A 124 SITE 2 AC2 10 SER A 125 ALA A 126 GLY A 127 TYR A 188 SITE 3 AC2 10 HIS A 249 FE A 400 CRYST1 73.500 73.500 156.700 90.00 90.00 90.00 P 41 21 2 8 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 0.013605 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013605 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006382 0.00000