PDB Short entry for 1A8F HEADER IRON TRANSPORT 25-MAR-98 1A8F TITLE HUMAN SERUM TRANSFERRIN, RECOMBINANT N-TERMINAL LOBE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 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 CELL_LINE: BABY HAMSTER KIDNEY CELLS; SOURCE 6 ORGAN: KIDNEY; SOURCE 7 EXPRESSION_SYSTEM: CRICETINAE; SOURCE 8 EXPRESSION_SYSTEM_COMMON: HAMSTERS; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 10026; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PNUT-BHK KEYWDS IRON TRANSPORT, GLYCOPROTEIN, TRANSFERRIN, NLOBE, IRON-RELEASE, KEYWDS 2 CARBONATE EXPDTA X-RAY DIFFRACTION AUTHOR R.T.A.MACGILLIVRAY,S.A.MOORE,J.CHEN,B.F.ANDERSON,H.BAKER,Y.LUO, AUTHOR 2 M.BEWLEY,C.A.SMITH,M.E.P.MURPHY,Y.WANG,A.B.MASON,R.C.WOODWORTH, AUTHOR 3 G.D.BRAYER,E.N.BAKER REVDAT 4 03-APR-24 1A8F 1 REMARK LINK REVDAT 3 24-FEB-09 1A8F 1 VERSN REVDAT 2 01-APR-03 1A8F 1 JRNL REVDAT 1 17-JUN-98 1A8F 0 JRNL AUTH R.T.MACGILLIVRAY,S.A.MOORE,J.CHEN,B.F.ANDERSON,H.BAKER, JRNL AUTH 2 Y.LUO,M.BEWLEY,C.A.SMITH,M.E.MURPHY,Y.WANG,A.B.MASON, JRNL AUTH 3 R.C.WOODWORTH,G.D.BRAYER,E.N.BAKER JRNL TITL TWO HIGH-RESOLUTION CRYSTAL STRUCTURES OF THE RECOMBINANT JRNL TITL 2 N-LOBE OF HUMAN TRANSFERRIN REVEAL A STRUCTURAL CHANGE JRNL TITL 3 IMPLICATED IN IRON RELEASE. JRNL REF BIOCHEMISTRY V. 37 7919 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9609685 JRNL DOI 10.1021/BI980355J REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT 5E REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.8 REMARK 3 NUMBER OF REFLECTIONS : 36834 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : R-FREE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM SELECTION REMARK 3 R VALUE (WORKING + TEST SET) : 0.202 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1797 REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.2020 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1970 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.00 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1797 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 36834 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2551 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 268 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 24.000 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.011 ; 2.200 ; 2647 REMARK 3 BOND ANGLES (DEGREES) : 1.500 ; 2.500 ; 3560 REMARK 3 TORSION ANGLES (DEGREES) : 19.600; 0.000 ; 585 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.009 ; 5.000 ; 67 REMARK 3 GENERAL PLANES (A) : 0.013 ; 18.000; 383 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 2.830 ; 5.000 ; 2631 REMARK 3 NON-BONDED CONTACTS (A) : 0.113 ; 10.000; 929 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : BABINET REMARK 3 KSOL : 0.75 REMARK 3 BSOL : 160.0 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : PROTGEO_EH (MODIFIED) REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : BCORREL (MODIFIED) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1A8F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000170522. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-96 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 5.8-6.3 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) 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, ROTAVATA, AGROVATA REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, ROTAVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36895 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: HUMAN TRANSFERRIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 40% REMARK 280 (V/V) ETHANOL WITH 50MM POTASSIUM CACODYLATE, PH 6.1. GROWN IN REMARK 280 SITTING DROPS AT 277 K. RESERVOIRS CONTAINED 40% (V/V) ETHANOL, REMARK 280 50MM POTASSIUM CACODYLATE, PH 5.8 - 6.3. PRIOR TO REMARK 280 CRYSTALLIZATION, THE PROTEIN WAS DIALYSED AGAINST SODIUM REMARK 280 BICARBONATE, PH 8.1, VAPOR DIFFUSION - SITTING DROP, VAPOR REMARK 280 DIFFUSION, SITTING DROP 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 77.14300 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 36.33700 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 36.33700 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 38.57150 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 36.33700 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 36.33700 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 115.71450 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 36.33700 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 36.33700 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 38.57150 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 36.33700 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 36.33700 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 115.71450 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 77.14300 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 LYS A 144 C - N - CA ANGL. DEV. = 27.3 DEGREES REMARK 500 LEU A 146 C - N - CA ANGL. DEV. = 16.8 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 SER A 12 -165.83 63.28 REMARK 500 PRO A 74 31.15 -97.43 REMARK 500 TRP A 128 -65.58 -144.96 REMARK 500 LYS A 144 -25.26 -33.10 REMARK 500 PRO A 145 61.34 -62.53 REMARK 500 LEU A 146 -76.26 40.25 REMARK 500 SER A 155 37.65 -98.63 REMARK 500 CYS A 161 -1.16 79.14 REMARK 500 CYS A 179 46.17 -98.16 REMARK 500 ASP A 229 31.41 -97.76 REMARK 500 CYS A 241 71.44 -150.51 REMARK 500 LEU A 294 -47.79 75.62 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 339 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 63 OD1 REMARK 620 2 TYR A 95 OH 87.7 REMARK 620 3 TYR A 188 OH 177.5 94.6 REMARK 620 4 HIS A 249 NE2 87.9 92.3 93.0 REMARK 620 5 CO3 A 338 O1 87.5 95.2 91.3 171.1 REMARK 620 6 CO3 A 338 O2 85.6 155.3 91.8 111.2 60.8 REMARK 620 7 CO3 A 338 O2 91.4 168.9 86.5 76.6 95.8 35.3 REMARK 620 8 CO3 A 338 O1 83.2 132.7 94.5 133.3 38.3 22.7 58.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: FERRIC ION BINDING SITE. CARBONATE AND ARGININE REMARK 800 124 ARE BOTH DISORDERED WITH TWO DISTINCT CONFORMATIONS. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A 338 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 339 DBREF 1A8F A 3 331 UNP P02787 TRFE_HUMAN 22 350 SEQRES 1 A 329 ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU HIS GLU SEQRES 2 A 329 ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET LYS SER SEQRES 3 A 329 VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS VAL LYS SEQRES 4 A 329 LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE ALA ALA SEQRES 5 A 329 ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY LEU VAL SEQRES 6 A 329 TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS PRO VAL SEQRES 7 A 329 VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO GLN THR SEQRES 8 A 329 PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP SER GLY SEQRES 9 A 329 PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER CYS HIS SEQRES 10 A 329 THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE PRO ILE SEQRES 11 A 329 GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG LYS PRO SEQRES 12 A 329 LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY SER CYS SEQRES 13 A 329 ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN LEU CYS SEQRES 14 A 329 GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU ASN GLN SEQRES 15 A 329 TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU LYS ASP SEQRES 16 A 329 GLY ALA GLY ASP VAL ALA PHE VAL LYS HIS SER THR ILE SEQRES 17 A 329 PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP GLN TYR SEQRES 18 A 329 GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO VAL ASP SEQRES 19 A 329 GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO SER HIS SEQRES 20 A 329 THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU ASP LEU SEQRES 21 A 329 ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS PHE GLY SEQRES 22 A 329 LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER SER PRO SEQRES 23 A 329 HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA HIS GLY SEQRES 24 A 329 PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS MET TYR SEQRES 25 A 329 LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN LEU ARG SEQRES 26 A 329 GLU GLY THR CYS HET CO3 A 338 8 HET FE A 339 1 HETNAM CO3 CARBONATE ION HETNAM FE FE (III) ION FORMUL 2 CO3 C O3 2- FORMUL 3 FE FE 3+ FORMUL 4 HOH *268(H2 O) HELIX 1 1 SER A 12 LYS A 27 1 16 HELIX 2 2 TYR A 45 ALA A 53 1 9 HELIX 3 3 ALA A 64 TYR A 71 1 8 HELIX 4 4 MET A 109 GLN A 111 5 3 HELIX 5 5 ASN A 129 GLY A 133 1 5 HELIX 6 6 TYR A 136 ASP A 138 5 3 HELIX 7 7 GLU A 147 PHE A 153 1 7 HELIX 8 8 PRO A 168 CYS A 171 5 4 HELIX 9 9 GLY A 187 LYS A 196 1 10 HELIX 10 10 THR A 209 ASN A 213 1 5 HELIX 11 11 LYS A 217 GLN A 222 1 6 HELIX 12 12 VAL A 235 ASP A 240 5 6 HELIX 13 13 GLU A 260 PHE A 274 1 15 HELIX 14 14 ALA A 311 LEU A 315 1 5 HELIX 15 15 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 2.02 SSBOND 2 CYS A 19 CYS A 39 1555 1555 2.06 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 2.05 SSBOND 6 CYS A 161 CYS A 179 1555 1555 2.01 SSBOND 7 CYS A 171 CYS A 177 1555 1555 2.05 SSBOND 8 CYS A 227 CYS A 241 1555 1555 2.03 LINK OD1 ASP A 63 FE FE A 339 1555 1555 2.02 LINK OH TYR A 95 FE FE A 339 1555 1555 1.99 LINK OH TYR A 188 FE FE A 339 1555 1555 1.90 LINK NE2 HIS A 249 FE FE A 339 1555 1555 2.11 LINK O1 ACO3 A 338 FE FE A 339 1555 1555 1.96 LINK O2 ACO3 A 338 FE FE A 339 1555 1555 2.23 LINK O2 BCO3 A 338 FE FE A 339 1555 1555 2.05 LINK O1 BCO3 A 338 FE FE A 339 1555 1555 2.44 CISPEP 1 ALA A 73 PRO A 74 0 -0.38 SITE 1 FE 4 ASP A 63 TYR A 95 TYR A 188 HIS A 249 SITE 1 AC1 10 ASP A 63 TYR A 95 THR A 120 ARG A 124 SITE 2 AC1 10 ALA A 126 GLY A 127 TYR A 188 HIS A 249 SITE 3 AC1 10 FE A 339 HOH A 699 SITE 1 AC2 5 ASP A 63 TYR A 95 TYR A 188 HIS A 249 SITE 2 AC2 5 CO3 A 338 CRYST1 72.674 72.674 154.286 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 0.013760 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013760 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006481 0.00000