HEADER IRON TRANSPORT 07-FEB-02 1GV8 TITLE 18 KDA FRAGMENT OF N-II DOMAIN OF DUCK OVOTRANSFERRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: OVOTRANSFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NII FRAGMENT, RESIDUES 91-249 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANAS PLATYRHYNCHOS; SOURCE 3 ORGANISM_COMMON: COMMON DUCK; SOURCE 4 ORGANISM_TAXID: 8839 KEYWDS IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING EXPDTA X-RAY DIFFRACTION AUTHOR P.KUSER,D.R.HALL,M.L.HAW,M.NEU,P.F.LINDLEY REVDAT 5 08-MAY-19 1GV8 1 REMARK REVDAT 4 06-MAR-19 1GV8 1 REMARK REVDAT 3 24-FEB-09 1GV8 1 VERSN REVDAT 2 03-MAY-02 1GV8 1 JRNL REVDAT 1 12-FEB-02 1GV8 0 JRNL AUTH P.KUSER,D.R.HALL,M.L.HAW,M.NEU,R.EVANS,P.F.LINDLEY JRNL TITL THE MECHANISM OF IRON UPTAKE BY TRANSFERRINS: THE X-RAY JRNL TITL 2 STRUCTURES OF THE 18 KDA NII DOMAIN FRAGMENT OF DUCK JRNL TITL 3 OVOTRANSFERRIN AND ITS NITRILOTRIACETATE COMPLEX JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 58 777 2002 JRNL REFN ISSN 0907-4449 JRNL PMID 11976488 JRNL DOI 10.1107/S0907444902003724 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.22 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 11119 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 + TEST SET) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 532 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1215 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 116 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.155 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.159 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.420 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: RESIDUES 144 - 149 INCLUSIVE VERY REMARK 3 POORLY DEFINED REMARK 4 REMARK 4 1GV8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-FEB-02. REMARK 100 THE DEPOSITION ID IS D_1290009408. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-93 REMARK 200 TEMPERATURE (KELVIN) : 277.0 REMARK 200 PH : 7.80 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.88 REMARK 200 MONOCHROMATOR : BENT TRIANGULAR SI(111) REMARK 200 OPTICS : PT COATED FUSED QUARTZ REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AGROVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11119 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 27.220 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.10300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.800 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: NULL REMARK 200 REMARK 200 REMARK: BASED ON STRUCTURE AT 2.3 A REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROP AT PH 7.8, 277K, PH 7.80, REMARK 280 VAPOR DIFFUSION, SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.19000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 54.38000 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: PQS 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 400 REMARK 400 COMPOUND REMARK 400 FE SITE LACKS NORMAL ASPARTATE AND HISTIDINE 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 HOH A 2042 O HOH A 2070 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NZ LYS A 182 O GLU A 222 1445 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 106 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 225 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP A 240 CB - CG - OD2 ANGL. DEV. = 5.9 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 ASP A 106 -2.50 -142.27 REMARK 500 TRP A 128 -57.32 -144.08 REMARK 500 ALA A 220 52.00 -150.01 REMARK 500 CYS A 245 66.14 -153.73 REMARK 500 ALA A 248 158.58 178.89 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 A1255 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A1253 O REMARK 620 2 CO3 A1254 O3 83.6 REMARK 620 3 GLY A1253 N 79.4 95.5 REMARK 620 4 TYR A 95 OH 87.7 160.3 100.3 REMARK 620 5 TYR A 194 OH 168.9 93.3 90.3 98.3 REMARK 620 6 CO3 A1254 O2 84.7 64.6 155.9 97.0 103.6 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A1254 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A1255 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A1253 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AOV RELATED DB: PDB REMARK 900 APO DUCK OVOTRANSFERRIN REMARK 900 RELATED ID: 1DOT RELATED DB: PDB REMARK 900 DUCK OVOTRANSFERRIN REMARK 900 RELATED ID: 1OVB RELATED DB: PDB REMARK 900 OVOTRANSFERRIN (18 KDA FRAGMENT, DOMAIN II FROM N-TERMINAL LOBE) REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCED BY DR. R.W.EVANS (GUY'S HOSPITAL) LONDON, U.K. REMARK 999 THESE AMINO-ACID RESIDUES DIFFER FROM THOSE GIVEN BY SWISS-PROT. DBREF 1GV8 A 94 252 UNP P56410 TRFE_ANAPL 91 249 SEQADV 1GV8 GLY A 139 UNP P56410 GLU 136 CONFLICT SEQADV 1GV8 SER A 150 UNP P56410 ILE 147 CONFLICT SEQADV 1GV8 VAL A 151 UNP P56410 SER 148 CONFLICT SEQADV 1GV8 THR A 169 UNP P56410 ILE 166 CONFLICT SEQRES 1 A 159 SER TYR TYR ALA VAL ALA VAL VAL LYS LYS GLY THR ASP SEQRES 2 A 159 PHE MET ILE LYS ASP LEU ARG GLY LYS THR SER CYS HIS SEQRES 3 A 159 THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE PRO ILE SEQRES 4 A 159 GLY THR LEU ILE HIS ARG GLY ASP ILE GLU TRP GLU GLY SEQRES 5 A 159 ILE GLU SER GLY SER VAL GLU GLN ALA VAL ALA LYS PHE SEQRES 6 A 159 PHE SER ALA SER CYS VAL PRO GLY ALA THR THR GLU GLN SEQRES 7 A 159 LYS LEU CYS ARG GLN CYS LYS GLY ASP ALA LYS THR LYS SEQRES 8 A 159 CYS LEU ARG ASN ALA PRO TYR SER GLY TYR SER GLY ALA SEQRES 9 A 159 PHE GLN CYS LEU LYS ASP GLY LYS GLY ASP VAL ALA PHE SEQRES 10 A 159 VAL LYS HIS THR THR VAL GLN GLU ASN ALA PRO GLU GLU SEQRES 11 A 159 LYS ASP GLU TYR GLU LEU LEU CYS LEU ASP GLY THR ARG SEQRES 12 A 159 GLN PRO VAL ASP SER TYR LYS THR CYS ASN TRP ALA ARG SEQRES 13 A 159 VAL ALA ALA HET GLY A1253 5 HET CO3 A1254 4 HET FE A1255 1 HETNAM GLY GLYCINE HETNAM CO3 CARBONATE ION HETNAM FE FE (III) ION FORMUL 2 GLY C2 H5 N O2 FORMUL 3 CO3 C O3 2- FORMUL 4 FE FE 3+ FORMUL 5 HOH *116(H2 O) HELIX 1 1 MET A 108 LEU A 112 5 5 HELIX 2 2 TRP A 128 ARG A 138 1 11 HELIX 3 3 GLY A 145 GLY A 149 5 5 HELIX 4 4 SER A 150 LYS A 157 1 8 HELIX 5 5 GLU A 170 ARG A 175 5 6 HELIX 6 6 SER A 192 ASP A 203 1 12 HELIX 7 7 THR A 214 ALA A 220 1 7 HELIX 8 8 PRO A 221 ASP A 225 5 5 HELIX 9 9 ASP A 240 CYS A 245 5 6 SHEET 1 AA 5 ALA A 161 CYS A 163 0 SHEET 2 AA 5 THR A 116 HIS A 119 1 O SER A 117 N CYS A 163 SHEET 3 AA 5 VAL A 208 LYS A 212 1 O VAL A 208 N CYS A 118 SHEET 4 AA 5 TYR A 95 LYS A 102 -1 O VAL A 98 N VAL A 211 SHEET 5 AA 5 ALA A 248 VAL A 250 -1 O ALA A 248 N ALA A 97 SHEET 1 AB 6 ALA A 161 CYS A 163 0 SHEET 2 AB 6 THR A 116 HIS A 119 1 O SER A 117 N CYS A 163 SHEET 3 AB 6 VAL A 208 LYS A 212 1 O VAL A 208 N CYS A 118 SHEET 4 AB 6 TYR A 95 LYS A 102 -1 O VAL A 98 N VAL A 211 SHEET 5 AB 6 TYR A 227 LEU A 230 -1 O GLU A 228 N VAL A 101 SHEET 6 AB 6 ARG A 236 PRO A 238 -1 O GLN A 237 N LEU A 229 SSBOND 1 CYS A 118 CYS A 200 1555 1555 2.00 SSBOND 2 CYS A 163 CYS A 177 1555 1555 2.06 SSBOND 3 CYS A 174 CYS A 185 1555 1555 2.04 SSBOND 4 CYS A 231 CYS A 245 1555 1555 2.08 LINK O GLY A1253 FE FE A1255 1555 1555 1.94 LINK O3 CO3 A1254 FE FE A1255 1555 1555 2.03 LINK FE FE A1255 N GLY A1253 1555 1555 2.13 LINK FE FE A1255 OH TYR A 95 1555 1555 1.87 LINK FE FE A1255 OH TYR A 194 1555 1555 1.97 LINK FE FE A1255 O2 CO3 A1254 1555 1555 2.15 SITE 1 AC1 9 TYR A 95 THR A 120 ARG A 124 SER A 125 SITE 2 AC1 9 ALA A 126 GLY A 127 TYR A 194 GLY A1253 SITE 3 AC1 9 FE A1255 SITE 1 AC2 4 TYR A 95 TYR A 194 GLY A1253 CO3 A1254 SITE 1 AC3 8 TYR A 95 ARG A 124 SER A 125 TYR A 194 SITE 2 AC3 8 CO3 A1254 FE A1255 HOH A2115 HOH A2116 CRYST1 41.390 41.390 81.570 90.00 90.00 120.00 P 31 3 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 0.024160 0.013949 0.000000 0.00000 SCALE2 0.000000 0.027898 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012259 0.00000