HEADER IRON TRANSPORT 01-OCT-96 1VFE TITLE HUMAN LACTOFERRIN, N-TERMINAL LOBE MUTANT WITH ARG 121 REPLACED BY SER TITLE 2 (R121S) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN LACTOFERRIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL HALF-MOLECULE; 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 TRANSFERRIN, IRON TRANSPORT, GLYCOPROTEIN, METAL-BINDING, RECOMBINANT KEYWDS 2 HALF MOLECULE, MUTANT EXPDTA X-RAY DIFFRACTION AUTHOR H.R.FABER,C.L.DAY,E.N.BAKER REVDAT 5 09-AUG-23 1VFE 1 REMARK REVDAT 4 03-NOV-21 1VFE 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 1VFE 1 REMARK HELIX REVDAT 2 24-FEB-09 1VFE 1 VERSN REVDAT 1 01-APR-97 1VFE 0 JRNL AUTH H.R.FABER,C.J.BAKER,C.L.DAY,J.W.TWEEDIE,E.N.BAKER JRNL TITL MUTATION OF ARGININE 121 IN LACTOFERRIN DESTABILIZES IRON JRNL TITL 2 BINDING BY DISRUPTION OF ANION BINDING: CRYSTAL STRUCTURES JRNL TITL 3 OF R121S AND R121E MUTANTS. JRNL REF BIOCHEMISTRY V. 35 14473 1996 JRNL REFN ISSN 0006-2960 JRNL PMID 8931543 JRNL DOI 10.1021/BI961729G 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 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 73.8 REMARK 3 NUMBER OF REFLECTIONS : 14510 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) : 0.196 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1451 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) : 0.1960 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 7.00 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1451 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 14510 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2497 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 86 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) : NULL ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : NULL ; 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) : NULL ; 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 1VFE 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_1000177028. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 1995 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 8.0 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 : 0.3 MM COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AGROVATA/CCP4, RIGAKU REMARK 200 DATA SCALING SOFTWARE : AGROVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14539 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 73.8 REMARK 200 DATA REDUNDANCY : 2.470 REMARK 200 R MERGE (I) : 0.08600 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: 1LCT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM TRIS/HCL PH 8.0, 12% ISOPROPANOL 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 48.95000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.40000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 48.95000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 39.40000 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 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 GLY A 1 REMARK 465 ARG A 2 REMARK 465 ARG A 3 REMARK 465 ARG A 4 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 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 509 O HOH A 509 2656 0.59 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 14 C - N - CD ANGL. DEV. = -14.8 DEGREES REMARK 500 PRO A 76 C - N - CD ANGL. DEV. = -15.3 DEGREES REMARK 500 CYS A 198 CA - CB - SG ANGL. DEV. = 8.3 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 TYR A 82 -165.93 -110.80 REMARK 500 GLU A 108 56.87 -101.96 REMARK 500 THR A 122 -71.38 -69.78 REMARK 500 TRP A 125 -70.65 -140.20 REMARK 500 ASN A 137 48.73 -96.14 REMARK 500 SER A 191 -176.06 71.08 REMARK 500 ASN A 234 45.65 75.47 REMARK 500 LEU A 299 -48.87 68.35 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 85.8 REMARK 620 3 TYR A 192 OH 172.7 98.1 REMARK 620 4 HIS A 253 NE2 85.4 87.3 88.6 REMARK 620 5 CO3 A 401 O1 81.5 158.7 96.4 108.6 REMARK 620 6 CO3 A 401 O2 93.2 101.2 92.1 171.3 62.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: BST 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 1VFE A 2 333 UNP P02788 TRFL_HUMAN 22 353 SEQADV 1VFE ARG A 28 UNP P02788 LYS 48 VARIANT SEQADV 1VFE SER A 121 UNP P02788 ARG 141 ENGINEERED MUTATION SEQRES 1 A 333 GLY 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 ASP 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 SER 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 *86(H2 O) HELIX 1 H1 SER A 12 GLY A 31 1SEE REMARK 650 20 HELIX 2 H2 SER A 41 ARG A 53 1SEE REMARK 650 13 HELIX 3 H3 ASP A 60 LEU A 69 1SEE REMARK 650 10 HELIX 4 H6 PRO A 144 PHE A 153 1SEE REMARK 650 10 HELIX 5 H7 SER A 191 ALA A 203 1SEE REMARK 650 13 HELIX 6 H8 SER A 212 LEU A 218 1 7 HELIX 7 H8A ASP A 220 GLU A 226 5 7 HELIX 8 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 2A 5 SER A 154 VAL A 158 0 SHEET 2 2A 5 LEU A 112 HIS A 116 1 N SER A 114 O ALA A 155 SHEET 3 2A 5 GLY A 204 GLU A 211 1 O VAL A 206 N CYS A 115 SHEET 4 2A 5 HIS A 91 LYS A 100 -1 O TYR A 93 N GLU A 211 SHEET 5 2A 5 GLU A 226 CYS A 231 -1 SHEET 1 2B 5 SER A 154 VAL A 158 0 SHEET 2 2B 5 LEU A 112 HIS A 116 1 N SER A 114 O ALA A 155 SHEET 3 2B 5 GLY A 204 GLU A 211 1 O VAL A 206 N CYS A 115 SHEET 4 2B 5 HIS A 91 LYS A 100 -1 O TYR A 93 N GLU A 211 SHEET 5 2B 5 HIS A 246 PRO A 251 -1 O ALA A 248 N ALA A 94 SSBOND 1 CYS A 9 CYS A 45 1555 1555 2.04 SSBOND 2 CYS A 19 CYS A 36 1555 1555 2.03 SSBOND 3 CYS A 115 CYS A 198 1555 1555 2.03 SSBOND 4 CYS A 157 CYS A 173 1555 1555 2.03 SSBOND 5 CYS A 170 CYS A 181 1555 1555 2.03 SSBOND 6 CYS A 231 CYS A 245 1555 1555 2.03 LINK OD1 ASP A 60 FE FE A 400 1555 1555 2.11 LINK OH TYR A 92 FE FE A 400 1555 1555 2.03 LINK OH TYR A 192 FE FE A 400 1555 1555 1.77 LINK NE2 HIS A 253 FE FE A 400 1555 1555 2.27 LINK FE FE A 400 O1 CO3 A 401 1555 1555 2.09 LINK FE FE A 400 O2 CO3 A 401 1555 1555 2.44 CISPEP 1 ALA A 70 PRO A 71 0 3.48 CISPEP 2 PRO A 141 PRO A 142 0 7.28 SITE 1 BST 10 ASP A 60 TYR A 92 THR A 117 SER 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 ASP A 60 TYR A 92 TYR A 192 HIS A 253 SITE 2 AC1 5 CO3 A 401 SITE 1 AC2 9 ASP A 60 TYR A 92 THR A 117 SER A 121 SITE 2 AC2 9 THR A 122 ALA A 123 TYR A 192 HIS A 253 SITE 3 AC2 9 FE A 400 CRYST1 97.900 78.800 58.900 90.00 99.20 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 0.010215 0.000000 0.001654 0.00000 SCALE2 0.000000 0.012690 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017199 0.00000