PDB Short entry for 1DSN HEADER IRON TRANSPORT PROTEIN 13-DEC-95 1DSN TITLE D60S N-TERMINAL LOBE HUMAN LACTOFERRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: LACTOFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL LOBE RESIDUES 1 - 333; COMPND 5 SYNONYM: 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 GENE: LFN; SOURCE 6 EXPRESSION_SYSTEM: CRICETINAE; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HAMSTERS; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10026; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PNUT\:LFN; SOURCE 10 EXPRESSION_SYSTEM_GENE: LFN KEYWDS IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING, IRON TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.R.FABER,G.E.NORRIS,E.N.BAKER REVDAT 5 03-NOV-21 1DSN 1 REMARK SEQADV LINK REVDAT 4 29-NOV-17 1DSN 1 HELIX REVDAT 3 24-FEB-09 1DSN 1 VERSN REVDAT 2 25-JAN-05 1DSN 1 TURN REVDAT 1 08-MAR-96 1DSN 0 JRNL AUTH H.R.FABER,T.BLAND,C.L.DAY,G.E.NORRIS,J.W.TWEEDIE,E.N.BAKER JRNL TITL ALTERED DOMAIN CLOSURE AND IRON BINDING IN TRANSFERRINS: THE JRNL TITL 2 CRYSTAL STRUCTURE OF THE ASP60SER MUTANT OF THE JRNL TITL 3 AMINO-TERMINAL HALF-MOLECULE OF HUMAN LACTOFERRIN. JRNL REF J.MOL.BIOL. V. 256 352 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8594202 JRNL DOI 10.1006/JMBI.1996.0091 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 ANGSTROMS 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 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. 2.05 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) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 17781 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) : 0.175 REMARK 3 R VALUE (WORKING SET) : NULL 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) : NULL 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 : 2451 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 107 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) : 0.014 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 1.200 ; NULL ; 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) : 0.013 ; NULL ; 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: NULL REMARK 4 REMARK 4 1DSN 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_1000172926. 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 : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : RIGAKU REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 46.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 55.10000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.50000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 55.10000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 28.50000 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 756 LIES ON A SPECIAL POSITION. 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 GLY A 317 REMARK 465 LEU A 318 REMARK 465 TYR A 319 REMARK 465 LEU A 320 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 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 ARG A 2 CG CD NE CZ NH1 NH2 REMARK 470 ASN A 137 CB CG OD1 ND2 REMARK 470 THR A 139 CB OG1 CG2 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 804 O HOH A 804 2656 2.17 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 12 157.72 87.36 REMARK 500 TRP A 125 -65.47 -148.27 REMARK 500 ASN A 137 74.10 43.99 REMARK 500 PHE A 166 59.47 -112.57 REMARK 500 SER A 191 169.90 67.02 REMARK 500 ILE A 209 -156.43 -138.42 REMARK 500 ASN A 234 37.27 71.17 REMARK 500 LEU A 299 -45.70 70.14 REMARK 500 SER A 303 13.14 59.64 REMARK 500 PRO A 311 157.84 -38.49 REMARK 500 ILE A 314 -40.13 -139.53 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 TYR A 92 OH REMARK 620 2 TYR A 192 OH 117.2 REMARK 620 3 HIS A 253 NE2 105.9 77.5 REMARK 620 4 CO3 A 401 O2 158.1 71.9 95.4 REMARK 620 5 CO3 A 401 O1 101.2 100.4 150.5 56.9 REMARK 620 6 HOH A 750 O 81.4 160.6 92.7 92.8 79.8 REMARK 620 N 1 2 3 4 5 REMARK 700 REMARK 700 SHEET REMARK 700 SHEET 2 REMARK 700 STRAND 5 IS A SPLIT STRAND, GLU 226 - CYS 231 AND REMARK 700 STRAND HIS 246 - PRO 251. STRAND HIS 246 - PRO 251 REMARK 700 IS PRESENTED AS SHEET 2A IN THE ENTRY. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: BST REMARK 800 EVIDENCE_CODE: AUTHOR 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 1DSN A 1 333 UNP P02788 TRFL_HUMAN 21 353 SEQADV 1DSN ARG A 28 UNP P02788 LYS 48 CLONING ARTIFACT SEQADV 1DSN SER A 60 UNP P02788 ASP 80 ENGINEERED MUTATION SEQRES 1 A 333 ARG ARG ARG ARG SER VAL GLN TRP CYS ALA VAL SER GLN SEQRES 2 A 333 PRO GLU ALA THR LYS CYS PHE GLN TRP GLN ARG ASN MET SEQRES 3 A 333 ARG ARG VAL ARG GLY PRO PRO VAL SER CYS ILE LYS ARG SEQRES 4 A 333 ASP SER PRO ILE GLN CYS ILE GLN ALA ILE ALA GLU ASN SEQRES 5 A 333 ARG ALA ASP ALA VAL THR LEU SER GLY GLY PHE ILE TYR SEQRES 6 A 333 GLU ALA GLY LEU ALA PRO TYR LYS LEU ARG PRO VAL ALA SEQRES 7 A 333 ALA GLU VAL TYR GLY THR GLU ARG GLN PRO ARG THR HIS SEQRES 8 A 333 TYR TYR ALA VAL ALA VAL VAL LYS LYS GLY GLY SER PHE SEQRES 9 A 333 GLN LEU ASN GLU LEU GLN GLY LEU LYS SER CYS HIS THR SEQRES 10 A 333 GLY LEU ARG ARG THR ALA GLY TRP ASN VAL PRO ILE GLY SEQRES 11 A 333 THR LEU ARG PRO PHE LEU ASN TRP THR GLY PRO PRO GLU SEQRES 12 A 333 PRO ILE GLU ALA ALA VAL ALA ARG PHE PHE SER ALA SER SEQRES 13 A 333 CYS VAL PRO GLY ALA ASP LYS GLY GLN PHE PRO ASN LEU SEQRES 14 A 333 CYS ARG LEU CYS ALA GLY THR GLY GLU ASN LYS CYS ALA SEQRES 15 A 333 PHE SER SER GLN GLU PRO TYR PHE SER TYR SER GLY ALA SEQRES 16 A 333 PHE LYS CYS LEU ARG ASP GLY ALA GLY ASP VAL ALA PHE SEQRES 17 A 333 ILE ARG GLU SER THR VAL PHE GLU ASP LEU SER ASP GLU SEQRES 18 A 333 ALA GLU ARG ASP GLU TYR GLU LEU LEU CYS PRO ASP ASN SEQRES 19 A 333 THR ARG LYS PRO VAL ASP LYS PHE LYS ASP CYS HIS LEU SEQRES 20 A 333 ALA ARG VAL PRO SER HIS ALA VAL VAL ALA ARG SER VAL SEQRES 21 A 333 ASN GLY LYS GLU ASP ALA ILE TRP ASN LEU LEU ARG GLN SEQRES 22 A 333 ALA GLN GLU LYS PHE GLY LYS ASP LYS SER PRO LYS PHE SEQRES 23 A 333 GLN LEU PHE GLY SER PRO SER GLY GLN LYS ASP LEU LEU SEQRES 24 A 333 PHE LYS ASP SER ALA ILE GLY PHE SER ARG VAL PRO PRO SEQRES 25 A 333 ARG ILE ASP SER GLY LEU TYR LEU GLY SER GLY TYR PHE SEQRES 26 A 333 THR ALA ILE GLN ASN LEU ARG LYS 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 *107(H2 O) HELIX 1 H1 SER A 12 GLY A 31 1 20 HELIX 2 H2 SER A 41 ARG A 53 1 13 HELIX 3 H3 SER A 60 LEU A 69 1 10 HELIX 4 H5 ARG A 121 LEU A 136 1 16 HELIX 5 H6 PRO A 144 PHE A 153 1 10 HELIX 6 H7 SER A 191 ALA A 203 1 13 HELIX 7 H8 SER A 212 LEU A 218 1 7 HELIX 8 H8A ASP A 220 GLU A 226 5 7 HELIX 9 H9 LYS A 263 GLY A 279 1 17 SHEET 1 1 6 PRO A 32 ARG A 39 0 SHEET 2 1 6 SER A 5 ALA A 10 1 O VAL A 6 N SER A 35 SHEET 3 1 6 ALA A 54 LEU A 59 1 N ALA A 56 O GLN A 7 SHEET 4 1 6 HIS A 253 ARG A 258 -1 N ALA A 254 O LEU A 59 SHEET 5 1 6 LEU A 74 TYR A 82 -1 N ARG A 75 O ALA A 257 SHEET 6 1 6 ALA A 304 VAL A 310 -1 O GLY A 306 N VAL A 81 SHEET 1 2 5 SER A 154 VAL A 158 0 SHEET 2 2 5 LEU A 112 HIS A 116 1 N SER A 114 O ALA A 155 SHEET 3 2 5 GLY A 204 GLU A 211 1 O VAL A 206 N CYS A 115 SHEET 4 2 5 HIS A 91 LYS A 100 -1 O TYR A 93 N GLU A 211 SHEET 5 2 5 GLU A 226 CYS A 231 -1 SHEET 1 2A 1 HIS A 246 PRO A 251 0 SSBOND 1 CYS A 9 CYS A 45 1555 1555 2.03 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 2.02 SSBOND 5 CYS A 170 CYS A 181 1555 1555 2.03 SSBOND 6 CYS A 231 CYS A 245 1555 1555 2.02 LINK OH TYR A 92 FE FE A 400 1555 1555 1.94 LINK OH TYR A 192 FE FE A 400 1555 1555 1.90 LINK NE2 HIS A 253 FE FE A 400 1555 1555 2.24 LINK FE FE A 400 O2 CO3 A 401 1555 1555 2.17 LINK FE FE A 400 O1 CO3 A 401 1555 1555 2.51 LINK FE FE A 400 O HOH A 750 1555 1555 2.03 CISPEP 1 ALA A 70 PRO A 71 0 2.23 CISPEP 2 PRO A 141 PRO A 142 0 6.49 SITE 1 BST 10 HOH A 750 TYR A 92 THR A 117 ARG A 121 SITE 2 BST 10 ALA A 123 GLY A 124 TYR A 192 HIS A 253 SITE 3 BST 10 FE A 400 CO3 A 401 SITE 1 AC1 5 TYR A 92 TYR A 192 HIS A 253 CO3 A 401 SITE 2 AC1 5 HOH A 750 SITE 1 AC2 10 TYR A 92 THR A 117 ARG A 121 THR A 122 SITE 2 AC2 10 ALA A 123 GLY A 124 TYR A 192 HIS A 253 SITE 3 AC2 10 FE A 400 HOH A 750 CRYST1 110.200 57.000 55.200 90.00 97.60 90.00 C 1 2 1 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 0.009074 0.000000 0.001211 0.00000 SCALE2 0.000000 0.017544 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018276 0.00000