HEADER IRON TRANSPORT 11-DEC-96 1HSE TITLE H253M N TERMINAL LOBE OF HUMAN LACTOFERRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: LACTOFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL HALF-MOLECULE; COMPND 5 SYNONYM: H253M NLF; 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 CELL_LINE: 293; SOURCE 6 GENE: LFN; SOURCE 7 EXPRESSION_SYSTEM: CRICETINAE; SOURCE 8 EXPRESSION_SYSTEM_COMMON: HAMSTERS; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 10026; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: 293; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PNUT;LFN; SOURCE 12 EXPRESSION_SYSTEM_GENE: LFN KEYWDS IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING, DUPLICATION, MILK, KEYWDS 2 RECOMBINANT HALF MOLECULE, TRANSFERRIN EXPDTA X-RAY DIFFRACTION AUTHOR H.NICHOLSON,B.F.ANDERSON,E.N.BAKER REVDAT 3 03-NOV-21 1HSE 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1HSE 1 VERSN REVDAT 1 12-MAR-97 1HSE 0 JRNL AUTH H.NICHOLSON,B.F.ANDERSON,T.BLAND,S.C.SHEWRY,J.W.TWEEDIE, JRNL AUTH 2 E.N.BAKER JRNL TITL MUTAGENESIS OF THE HISTIDINE LIGAND IN HUMAN LACTOFERRIN: JRNL TITL 2 IRON BINDING PROPERTIES AND CRYSTAL STRUCTURE OF THE JRNL TITL 3 HISTIDINE-253-->METHIONINE MUTANT. JRNL REF BIOCHEMISTRY V. 36 341 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9003186 JRNL DOI 10.1021/BI961908Y REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.L.DAY,B.F.ANDERSON,J.W.TWEEDIE,E.N.BAKER REMARK 1 TITL STRUCTURE OF THE RECOMBINANT N-TERMINAL LOBE OF HUMAN REMARK 1 TITL 2 LACTOFERRIN AT 2.0 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 232 1084 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.L.DAY,K.M.STOWELL,E.N.BAKER,J.W.TWEEDIE REMARK 1 TITL STUDIES OF THE N-TERMINAL HALF OF HUMAN LACTOFERRIN PRODUCED REMARK 1 TITL 2 FROM THE CLONED CDNA DEMONSTRATE THAT INTERLOBE INTERACTIONS REMARK 1 TITL 3 MODULATE IRON RELEASE REMARK 1 REF J.BIOL.CHEM. V. 267 13857 1992 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 72.0 REMARK 3 NUMBER OF REFLECTIONS : 14537 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.1780 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2474 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 113 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.015 ; 2.000 ; NULL REMARK 3 BOND ANGLES (DEGREES) : 1.880 ; 1.300 ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : 0.015 ; 2.000 ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 DIHEDRAL ANGLES. SER 191 IS IN THE EPSILON REGION. THIS REMARK 3 RESIDUE HAS EXCELLENT DENSITY AND ITS PHI/PSI ANGLES ARE REMARK 3 CORRECT. SER 293 HAS GOOD DENSITY, AND NO OTHER REMARK 3 INTERPRETATION SEEMS POSSIBLE. ILE 299 IS THE CENTRAL REMARK 3 RESIDUE OF A GAMMA TURN, AND HAS THE EXPECTED PHI/PSI REMARK 3 ANGLES FOR SUCH A CONFORMATION. THIS CONFORMATION IS REMARK 3 CONSERVED IN ALL TRANSFERRINS AND THE ELECTRON DENSITY IS REMARK 3 EXCELLENT. REMARK 4 REMARK 4 1HSE 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_1000173993. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : RIGAKU REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14575 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 72.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 108.95000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 29.20000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 29.20000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 54.47500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 29.20000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 29.20000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 163.42500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 29.20000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 29.20000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 54.47500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 29.20000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 29.20000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 163.42500 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 108.95000 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 ARG A 1 REMARK 465 ARG A 2 REMARK 465 ARG A 3 REMARK 465 GLY A 321 REMARK 465 SER A 322 REMARK 465 GLY A 323 REMARK 465 TYR A 324 REMARK 465 PHE A 325 REMARK 465 THR A 326 REMARK 465 ALA A 327 REMARK 465 ILE A 328 REMARK 465 GLN A 329 REMARK 465 ASN A 330 REMARK 465 LEU A 331 REMARK 465 ARG A 332 REMARK 465 LYS A 333 REMARK 465 SER A 334 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 O HOH A 513 O HOH A 515 1545 2.09 REMARK 500 O HOH A 540 O HOH A 551 7545 2.16 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 PRO A 42 C - N - CD ANGL. DEV. = -15.1 DEGREES REMARK 500 ARG A 171 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 TYR A 192 CA - CB - CG ANGL. DEV. = 13.3 DEGREES REMARK 500 CYS A 198 CA - CB - SG ANGL. DEV. = 7.6 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 ASN A 52 19.56 57.99 REMARK 500 THR A 90 43.85 -109.28 REMARK 500 TRP A 125 -65.95 -139.89 REMARK 500 SER A 191 -168.03 72.73 REMARK 500 ILE A 209 -157.33 -143.48 REMARK 500 SER A 252 177.14 -59.12 REMARK 500 PHE A 289 63.45 -104.23 REMARK 500 SER A 293 -86.71 11.13 REMARK 500 LEU A 299 -49.51 77.74 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 400 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 60 OD1 REMARK 620 2 TYR A 92 OH 90.8 REMARK 620 3 TYR A 192 OH 147.2 85.0 REMARK 620 4 CO3 A 401 O1 100.4 159.4 94.4 REMARK 620 5 CO3 A 401 O2 105.7 98.6 107.0 61.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: S1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: METAL AND ANION 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 1HSE A 1 334 UNP P02788 TRFL_HUMAN 21 347 SEQADV 1HSE ARG A 28 UNP P02788 LYS 48 VARIANT SEQADV 1HSE MET A 253 UNP P02788 HIS 273 ENGINEERED MUTATION SEQRES 1 A 334 ARG ARG ARG ARG SER VAL GLN TRP CYS ALA VAL SER GLN SEQRES 2 A 334 PRO GLU ALA THR LYS CYS PHE GLN TRP GLN ARG ASN MET SEQRES 3 A 334 ARG ARG VAL ARG GLY PRO PRO VAL SER CYS ILE LYS ARG SEQRES 4 A 334 ASP SER PRO ILE GLN CYS ILE GLN ALA ILE ALA GLU ASN SEQRES 5 A 334 ARG ALA ASP ALA VAL THR LEU ASP GLY GLY PHE ILE TYR SEQRES 6 A 334 GLU ALA GLY LEU ALA PRO TYR LYS LEU ARG PRO VAL ALA SEQRES 7 A 334 ALA GLU VAL TYR GLY THR GLU ARG GLN PRO ARG THR HIS SEQRES 8 A 334 TYR TYR ALA VAL ALA VAL VAL LYS LYS GLY GLY SER PHE SEQRES 9 A 334 GLN LEU ASN GLU LEU GLN GLY LEU LYS SER CYS HIS THR SEQRES 10 A 334 GLY LEU ARG ARG THR ALA GLY TRP ASN VAL PRO ILE GLY SEQRES 11 A 334 THR LEU ARG PRO PHE LEU ASN TRP THR GLY PRO PRO GLU SEQRES 12 A 334 PRO ILE GLU ALA ALA VAL ALA ARG PHE PHE SER ALA SER SEQRES 13 A 334 CYS VAL PRO GLY ALA ASP LYS GLY GLN PHE PRO ASN LEU SEQRES 14 A 334 CYS ARG LEU CYS ALA GLY THR GLY GLU ASN LYS CYS ALA SEQRES 15 A 334 PHE SER SER GLN GLU PRO TYR PHE SER TYR SER GLY ALA SEQRES 16 A 334 PHE LYS CYS LEU ARG ASP GLY ALA GLY ASP VAL ALA PHE SEQRES 17 A 334 ILE ARG GLU SER THR VAL PHE GLU ASP LEU SER ASP GLU SEQRES 18 A 334 ALA GLU ARG ASP GLU TYR GLU LEU LEU CYS PRO ASP ASN SEQRES 19 A 334 THR ARG LYS PRO VAL ASP LYS PHE LYS ASP CYS HIS LEU SEQRES 20 A 334 ALA ARG VAL PRO SER MET ALA VAL VAL ALA ARG SER VAL SEQRES 21 A 334 ASN GLY LYS GLU ASP ALA ILE TRP ASN LEU LEU ARG GLN SEQRES 22 A 334 ALA GLN GLU LYS PHE GLY LYS ASP LYS SER PRO LYS PHE SEQRES 23 A 334 GLN LEU PHE GLY SER PRO SER GLY GLN LYS ASP LEU LEU SEQRES 24 A 334 PHE LYS ASP SER ALA ILE GLY PHE SER ARG VAL PRO PRO SEQRES 25 A 334 ARG ILE ASP SER GLY LEU TYR LEU GLY SER GLY TYR PHE SEQRES 26 A 334 THR ALA ILE GLN ASN LEU ARG LYS SER 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 *113(H2 O) HELIX 1 1 GLN A 13 ARG A 28 1 16 HELIX 2 2 PRO A 42 ALA A 50 1 9 HELIX 3 3 GLY A 61 ALA A 67 1 7 HELIX 4 4 LEU A 106 GLU A 108 5 3 HELIX 5 5 ASN A 126 LEU A 136 1 11 HELIX 6 6 ILE A 145 PHE A 152 1 8 HELIX 7 7 GLY A 177 ASN A 179 5 3 HELIX 8 8 SER A 191 ASP A 201 1 11 HELIX 9 9 THR A 213 ASP A 217 1 5 HELIX 10 10 GLU A 221 GLU A 226 1 6 HELIX 11 11 GLU A 264 PHE A 278 1 15 SHEET 1 A 2 VAL A 6 ALA A 10 0 SHEET 2 A 2 VAL A 34 LYS A 38 1 N SER A 35 O VAL A 6 SHEET 1 B 4 VAL A 57 LEU A 59 0 SHEET 2 B 4 ALA A 254 ARG A 258 -1 N VAL A 256 O VAL A 57 SHEET 3 B 4 LEU A 74 VAL A 81 -1 N ALA A 78 O VAL A 255 SHEET 4 B 4 GLY A 306 ARG A 309 -1 N SER A 308 O ALA A 79 SHEET 1 C 5 ALA A 248 PRO A 251 0 SHEET 2 C 5 HIS A 91 VAL A 97 -1 N ALA A 94 O ALA A 248 SHEET 3 C 5 VAL A 206 ARG A 210 -1 N ILE A 209 O VAL A 95 SHEET 4 C 5 LYS A 113 HIS A 116 1 N CYS A 115 O VAL A 206 SHEET 5 C 5 ALA A 155 VAL A 158 1 N ALA A 155 O SER A 114 SHEET 1 D 3 VAL A 97 LYS A 99 0 SHEET 2 D 3 TYR A 227 LEU A 230 -1 N GLU A 228 O VAL A 98 SHEET 3 D 3 ARG A 236 PRO A 238 -1 N LYS A 237 O LEU A 229 SSBOND 1 CYS A 9 CYS A 45 1555 1555 2.02 SSBOND 2 CYS A 19 CYS A 36 1555 1555 2.03 SSBOND 3 CYS A 115 CYS A 198 1555 1555 2.02 SSBOND 4 CYS A 157 CYS A 173 1555 1555 2.03 SSBOND 5 CYS A 170 CYS A 181 1555 1555 2.02 SSBOND 6 CYS A 231 CYS A 245 1555 1555 2.03 LINK OD1 ASP A 60 FE FE A 400 1555 1555 2.01 LINK OH TYR A 92 FE FE A 400 1555 1555 2.11 LINK OH TYR A 192 FE FE A 400 1555 1555 1.87 LINK FE FE A 400 O1 CO3 A 401 1555 1555 2.12 LINK FE FE A 400 O2 CO3 A 401 1555 1555 2.18 CISPEP 1 ALA A 70 PRO A 71 0 5.02 CISPEP 2 GLY A 140 PRO A 141 0 3.12 CISPEP 3 PRO A 141 PRO A 142 0 7.66 SITE 1 S1 10 ASP A 60 TYR A 92 THR A 117 ARG A 121 SITE 2 S1 10 ALA A 123 GLY A 124 TYR A 192 MET A 253 SITE 3 S1 10 FE A 400 CO3 A 401 SITE 1 AC1 5 ASP A 60 TYR A 92 TYR A 192 MET A 253 SITE 2 AC1 5 CO3 A 401 SITE 1 AC2 9 ASP A 60 TYR A 92 THR A 117 ARG A 121 SITE 2 AC2 9 THR A 122 ALA A 123 GLY A 124 TYR A 192 SITE 3 AC2 9 FE A 400 CRYST1 58.400 58.400 217.900 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 0.017123 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017123 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004589 0.00000