HEADER METAL BINDING PROTEIN 24-NOV-98 1B1X TITLE STRUCTURE OF DIFERRIC MARE LACTOFERRIN AT 2.62A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: LACTOFERRIN; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 3 ORGANISM_COMMON: HORSE; SOURCE 4 ORGANISM_TAXID: 9796; SOURCE 5 SECRETION: MILK KEYWDS IRON BINDING PROTEIN, LACTOFERRIN, ANTIBACTERIAL, METAL BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.K.SHARMA,A.SRINIVASAN,T.P.SINGH REVDAT 8 20-NOV-24 1B1X 1 REMARK REVDAT 7 03-APR-24 1B1X 1 REMARK REVDAT 6 27-DEC-23 1B1X 1 REMARK LINK REVDAT 5 24-FEB-09 1B1X 1 VERSN REVDAT 4 01-APR-03 1B1X 1 JRNL REVDAT 3 18-OCT-99 1B1X 1 JRNL SEQADV REVDAT 2 25-JUN-99 1B1X 1 JRNL DBREF SEQADV LINK REVDAT 1 24-JUN-99 1B1X 0 SPRSDE 02-DEC-98 1B1X 1BGR JRNL AUTH A.K.SHARMA,M.PARAMASIVAM,A.SRINIVASAN,M.P.YADAV,T.P.SINGH JRNL TITL THREE-DIMENSIONAL STRUCTURE OF MARE DIFERRIC LACTOFERRIN AT JRNL TITL 2 2.6 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 289 303 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10366507 JRNL DOI 10.1006/JMBI.1999.2767 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.K.SHARMA,S.KARTHIKEYAN,P.KAUR,M.P.YADAV,T.P.SINGH REMARK 1 TITL PURIFICATION,CRYSTALLIZATION AND PRELIMINARY REMARK 1 TITL 2 CRYSTALLOGRAPHIC ANALYSIS OF MARE LACTOFERRIN REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. D52 1196 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 2.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.62 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.8 REMARK 3 NUMBER OF REFLECTIONS : 23181 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : A POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.700 REMARK 3 FREE R VALUE TEST SET COUNT : 2252 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.62 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.78 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2835 REMARK 3 BIN R VALUE (WORKING SET) : 0.2970 REMARK 3 BIN FREE R VALUE : 0.3510 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 321 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5281 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 112 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 42.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.50 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.29 REMARK 3 LOW RESOLUTION CUTOFF (A) : 10.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 2.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.280 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B1X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-NOV-98. REMARK 100 THE DEPOSITION ID IS D_1000000157. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-97 REMARK 200 TEMPERATURE (KELVIN) : 288 REMARK 200 PH : 8.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE FILTER REMARK 200 OPTICS : PINHOLE REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25558 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.620 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 3.870 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : 0.06300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 28.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.62 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.78 REMARK 200 COMPLETENESS FOR SHELL (%) : 72.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.25000 REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.290 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: HUMAN LACTOFERRIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40MG/ML PROTEIN IN 10MM TRIS HCL, PH REMARK 280 8.5, MICRODIALYSED AGA AT 6 DEGREES CELSIUS REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 42.58750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 51.52600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 49.74800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 51.52600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.58750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 49.74800 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 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 352 C - N - CA ANGL. DEV. = 10.1 DEGREES REMARK 500 LEU A 392 CA - CB - CG ANGL. DEV. = 15.5 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 LYS A 4 -174.31 -62.30 REMARK 500 GLN A 83 -78.75 -32.92 REMARK 500 THR A 84 -5.86 67.39 REMARK 500 ARG A 85 -6.29 62.34 REMARK 500 TRP A 125 -75.01 -141.34 REMARK 500 PRO A 141 -54.83 -29.83 REMARK 500 ALA A 155 146.37 174.41 REMARK 500 THR A 176 -148.39 -65.32 REMARK 500 GLU A 177 -82.35 -53.21 REMARK 500 CYS A 183 35.90 -94.96 REMARK 500 SER A 185 10.13 -67.05 REMARK 500 PRO A 232 0.19 -58.64 REMARK 500 CYS A 245 69.66 -114.56 REMARK 500 ARG A 280 103.35 -49.39 REMARK 500 ASN A 281 21.15 44.85 REMARK 500 PHE A 289 46.97 -95.18 REMARK 500 LEU A 299 -43.74 68.43 REMARK 500 PRO A 311 160.57 -47.37 REMARK 500 VAL A 410 -71.27 -82.42 REMARK 500 LYS A 416 72.55 -62.99 REMARK 500 SER A 417 -178.50 -55.93 REMARK 500 ASN A 419 -61.63 -163.73 REMARK 500 SER A 420 105.86 -164.99 REMARK 500 ASN A 421 48.84 -82.69 REMARK 500 ALA A 422 -149.54 -90.53 REMARK 500 ASP A 443 87.82 -65.97 REMARK 500 SER A 452 126.34 -38.83 REMARK 500 THR A 464 -76.93 -51.91 REMARK 500 ALA A 466 -122.68 -85.34 REMARK 500 TRP A 467 -87.67 -13.57 REMARK 500 CYS A 515 -5.70 77.91 REMARK 500 LYS A 562 -68.13 3.95 REMARK 500 ASP A 575 32.42 -94.58 REMARK 500 CYS A 587 68.15 -154.54 REMARK 500 CYS A 625 -79.12 -61.92 REMARK 500 PHE A 629 134.65 -172.79 REMARK 500 SER A 634 32.53 -163.56 REMARK 500 THR A 636 11.12 53.13 REMARK 500 LEU A 640 -47.32 65.80 REMARK 500 LYS A 654 83.24 -68.07 REMARK 500 GLU A 664 -70.57 -43.26 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 690 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 60 OD1 REMARK 620 2 TYR A 92 OH 90.7 REMARK 620 3 TYR A 192 OH 151.3 105.7 REMARK 620 4 HIS A 253 NE2 78.2 90.4 78.4 REMARK 620 5 CO3 A 692 O2 80.7 165.5 87.0 99.2 REMARK 620 6 CO3 A 692 O1 101.7 101.7 97.8 167.9 69.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE A 691 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 395 OD1 REMARK 620 2 TYR A 433 OH 100.9 REMARK 620 3 TYR A 526 OH 145.4 109.8 REMARK 620 4 HIS A 595 NE2 84.5 101.0 74.4 REMARK 620 5 CO3 A 693 O1 82.8 95.1 109.3 161.2 REMARK 620 6 CO3 A 693 O2 69.4 152.1 89.0 103.9 58.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 690 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 691 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A 692 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 A 693 DBREF 1B1X A 1 689 UNP O77811 TRFL_HORSE 7 695 SEQADV 1B1X GLU A 223 UNP O77811 ASP 228 SEE REMARK 999 SEQADV 1B1X LYS A 269 UNP O77811 ARG 274 SEE REMARK 999 SEQADV 1B1X GLY A 290 UNP O77811 LYS 295 SEE REMARK 999 SEQADV 1B1X GLY A 294 UNP O77811 GLU 299 SEE REMARK 999 SEQADV 1B1X GLU A 295 UNP O77811 ASN 300 SEE REMARK 999 SEQADV 1B1X GLN A 296 UNP O77811 LYS 301 SEE REMARK 999 SEQRES 1 A 689 ALA PRO ARG LYS SER VAL ARG TRP CYS THR ILE SER PRO SEQRES 2 A 689 ALA GLU ALA ALA LYS CYS ALA LYS PHE GLN ARG ASN MET SEQRES 3 A 689 LYS LYS VAL ARG GLY PRO SER VAL SER CYS ILE ARG LYS SEQRES 4 A 689 THR SER SER PHE GLU CYS ILE GLN ALA ILE ALA ALA ASN SEQRES 5 A 689 LYS ALA ASP ALA VAL THR LEU ASP GLY GLY LEU VAL TYR SEQRES 6 A 689 GLU ALA GLY LEU HIS PRO TYR LYS LEU ARG PRO VAL ALA SEQRES 7 A 689 ALA GLU VAL TYR GLN THR ARG GLY LYS PRO GLN THR ARG SEQRES 8 A 689 TYR TYR ALA VAL ALA VAL VAL LYS LYS GLY SER GLY PHE SEQRES 9 A 689 GLN LEU ASN GLN LEU GLN GLY VAL LYS SER CYS HIS THR SEQRES 10 A 689 GLY LEU GLY ARG SER ALA GLY TRP ASN ILE PRO ILE GLY SEQRES 11 A 689 THR LEU ARG PRO TYR LEU ASN TRP THR GLY PRO PRO GLU SEQRES 12 A 689 PRO LEU GLN LYS ALA VAL ALA ASN PHE PHE SER ALA SER SEQRES 13 A 689 CYS VAL PRO CYS ALA ASP GLY LYS GLN TYR PRO ASN LEU SEQRES 14 A 689 CYS ARG LEU CYS ALA GLY THR GLU ALA ASP LYS CYS ALA SEQRES 15 A 689 CYS SER SER GLN GLU PRO TYR PHE GLY TYR SER GLY ALA SEQRES 16 A 689 PHE LYS CYS LEU GLU ASN GLY ALA GLY ASP VAL ALA PHE SEQRES 17 A 689 VAL LYS ASP SER THR VAL PHE GLU ASN LEU PRO ASP GLU SEQRES 18 A 689 ALA GLU ARG ASP LYS TYR GLU LEU LEU CYS PRO ASP ASN SEQRES 19 A 689 THR ARG LYS PRO VAL ASP ALA PHE LYS GLU CYS HIS LEU SEQRES 20 A 689 ALA ARG VAL PRO SER HIS ALA VAL VAL ALA ARG SER VAL SEQRES 21 A 689 ASP GLY ARG GLU ASP LEU ILE TRP LYS LEU LEU HIS ARG SEQRES 22 A 689 ALA GLN GLU GLU PHE GLY ARG ASN LYS SER SER ALA PHE SEQRES 23 A 689 GLN LEU PHE GLY SER THR PRO GLY GLU GLN ASP LEU LEU SEQRES 24 A 689 PHE LYS ASP SER ALA LEU GLY PHE VAL ARG ILE PRO SER SEQRES 25 A 689 GLN ILE ASP SER GLY LEU TYR LEU GLY ALA ASN TYR LEU SEQRES 26 A 689 THR ALA THR GLN ASN LEU ARG GLU THR ALA ALA GLU VAL SEQRES 27 A 689 ALA ALA ARG ARG GLU ARG VAL VAL TRP CYS ALA VAL GLY SEQRES 28 A 689 PRO GLU GLU GLU ARG LYS CYS LYS GLN TRP SER ASP VAL SEQRES 29 A 689 SER ASN ARG LYS VAL ALA CYS ALA SER ALA SER THR THR SEQRES 30 A 689 GLU GLU CYS ILE ALA LEU VAL LEU LYS GLY GLU ALA ASP SEQRES 31 A 689 ALA LEU ASN LEU ASP GLY GLY PHE ILE TYR VAL ALA GLY SEQRES 32 A 689 LYS CYS GLY LEU VAL PRO VAL LEU ALA GLU ASN GLN LYS SEQRES 33 A 689 SER GLN ASN SER ASN ALA PRO ASP CYS VAL HIS ARG PRO SEQRES 34 A 689 PRO GLU GLY TYR LEU ALA VAL ALA VAL VAL ARG LYS SER SEQRES 35 A 689 ASP ALA ASP LEU THR TRP ASN SER LEU SER GLY LYS LYS SEQRES 36 A 689 SER CYS HIS THR GLY VAL GLY ARG THR ALA ALA TRP ASN SEQRES 37 A 689 ILE PRO MET GLY LEU LEU PHE ASN GLN THR GLY SER CYS SEQRES 38 A 689 LYS PHE ASP LYS PHE PHE SER GLN SER CYS ALA PRO GLY SEQRES 39 A 689 ALA ASP PRO GLN SER SER LEU CYS ALA LEU CYS VAL GLY SEQRES 40 A 689 ASN ASN GLU ASN GLU ASN LYS CYS MET PRO ASN SER GLU SEQRES 41 A 689 GLU ARG TYR TYR GLY TYR THR GLY ALA PHE ARG CYS LEU SEQRES 42 A 689 ALA GLU LYS ALA GLY ASP VAL ALA PHE VAL LYS ASP VAL SEQRES 43 A 689 THR VAL LEU GLN ASN THR ASP GLY LYS ASN SER GLU PRO SEQRES 44 A 689 TRP ALA LYS ASP LEU LYS GLN GLU ASP PHE GLU LEU LEU SEQRES 45 A 689 CYS LEU ASP GLY THR ARG LYS PRO VAL ALA GLU ALA GLU SEQRES 46 A 689 SER CYS HIS LEU ALA ARG ALA PRO ASN HIS ALA VAL VAL SEQRES 47 A 689 SER GLN SER ASP ARG ALA GLN HIS LEU LYS LYS VAL LEU SEQRES 48 A 689 PHE LEU GLN GLN ASP GLN PHE GLY GLY ASN GLY PRO ASP SEQRES 49 A 689 CYS PRO GLY LYS PHE CYS LEU PHE LYS SER GLU THR LYS SEQRES 50 A 689 ASN LEU LEU PHE ASN ASP ASN THR GLU CYS LEU ALA GLU SEQRES 51 A 689 LEU GLN GLY LYS THR THR TYR GLU GLN TYR LEU GLY SER SEQRES 52 A 689 GLU TYR VAL THR SER ILE THR ASN LEU ARG ARG CYS SER SEQRES 53 A 689 SER SER PRO LEU LEU GLU ALA CYS ALA PHE LEU ARG ALA HET FE A 690 1 HET FE A 691 1 HET CO3 A 692 4 HET CO3 A 693 4 HETNAM FE FE (III) ION HETNAM CO3 CARBONATE ION FORMUL 2 FE 2(FE 3+) FORMUL 4 CO3 2(C O3 2-) FORMUL 6 HOH *112(H2 O) HELIX 1 1 PRO A 13 LYS A 28 1 16 HELIX 2 2 SER A 42 ALA A 50 1 9 HELIX 3 3 GLY A 61 GLY A 68 1 8 HELIX 4 4 LEU A 106 GLN A 108 5 3 HELIX 5 5 ASN A 126 THR A 131 1 6 HELIX 6 6 ARG A 133 LEU A 136 1 4 HELIX 7 7 LEU A 145 PHE A 152 1 8 HELIX 8 8 PRO A 167 LEU A 169 5 3 HELIX 9 9 GLY A 191 GLU A 200 1 10 HELIX 10 10 THR A 213 ASN A 217 1 5 HELIX 11 11 GLU A 221 LYS A 226 1 6 HELIX 12 12 VAL A 239 ALA A 241 5 3 HELIX 13 13 GLU A 264 PHE A 278 1 15 HELIX 14 14 SER A 316 LEU A 320 1 5 HELIX 15 15 ALA A 322 ARG A 332 1 11 HELIX 16 16 ALA A 335 GLU A 343 1 9 HELIX 17 17 PRO A 352 SER A 365 1 14 HELIX 18 18 THR A 377 LYS A 386 1 10 HELIX 19 19 GLY A 396 LYS A 404 1 9 HELIX 20 20 PRO A 423 HIS A 427 5 5 HELIX 21 21 TRP A 448 SER A 450 5 3 HELIX 22 22 TRP A 467 THR A 478 1 12 HELIX 23 23 PHE A 483 LYS A 485 5 3 HELIX 24 24 SER A 500 CYS A 502 5 3 HELIX 25 25 GLY A 525 ALA A 534 1 10 HELIX 26 26 ASP A 545 LEU A 549 1 5 HELIX 27 27 PRO A 559 LYS A 562 1 4 HELIX 28 28 VAL A 581 SER A 586 5 6 HELIX 29 29 ALA A 604 PHE A 618 1 15 HELIX 30 30 CYS A 625 LYS A 628 1 4 HELIX 31 31 TYR A 657 LEU A 661 1 5 HELIX 32 32 SER A 663 ARG A 674 1 12 HELIX 33 33 PRO A 679 LEU A 687 1 9 SHEET 1 A 2 VAL A 6 THR A 10 0 SHEET 2 A 2 VAL A 34 ARG A 38 1 SHEET 1 B 4 VAL A 57 LEU A 59 0 SHEET 2 B 4 ALA A 254 ARG A 258 -1 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 VAL A 308 O ALA A 79 SHEET 1 C 5 ALA A 248 PRO A 251 0 SHEET 2 C 5 ARG A 91 VAL A 98 -1 SHEET 3 C 5 VAL A 206 LYS A 210 -1 N VAL 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 CYS A 231 -1 SHEET 3 D 3 THR A 235 PRO A 238 -1 N LYS A 237 O LEU A 229 SHEET 1 E 2 VAL A 345 VAL A 350 0 SHEET 2 E 2 VAL A 369 ALA A 374 1 SHEET 1 F 3 LEU A 392 LEU A 394 0 SHEET 2 F 3 ALA A 596 GLN A 600 -1 SHEET 3 F 3 LEU A 407 PRO A 409 -1 N VAL A 408 O SER A 599 SHEET 1 G 5 ALA A 590 ALA A 592 0 SHEET 2 G 5 TYR A 433 VAL A 438 -1 SHEET 3 G 5 VAL A 540 LYS A 544 -1 N VAL A 543 O VAL A 436 SHEET 4 G 5 SER A 456 HIS A 458 1 N CYS A 457 O VAL A 540 SHEET 5 G 5 SER A 490 ALA A 492 1 N CYS A 491 O SER A 456 SHEET 1 H 3 VAL A 438 ARG A 440 0 SHEET 2 H 3 PHE A 569 LEU A 572 -1 SHEET 3 H 3 ARG A 578 PRO A 580 -1 N LYS A 579 O LEU A 571 SHEET 1 I 2 ALA A 412 GLN A 415 0 SHEET 2 I 2 THR A 645 ALA A 649 -1 SSBOND 1 CYS A 9 CYS A 45 1555 1555 2.03 SSBOND 2 CYS A 19 CYS A 36 1555 1555 2.02 SSBOND 3 CYS A 115 CYS A 198 1555 1555 2.02 SSBOND 4 CYS A 157 CYS A 173 1555 1555 2.04 SSBOND 5 CYS A 160 CYS A 183 1555 1555 2.02 SSBOND 6 CYS A 170 CYS A 181 1555 1555 2.02 SSBOND 7 CYS A 231 CYS A 245 1555 1555 2.03 SSBOND 8 CYS A 348 CYS A 380 1555 1555 2.00 SSBOND 9 CYS A 358 CYS A 371 1555 1555 2.02 SSBOND 10 CYS A 405 CYS A 684 1555 1555 2.03 SSBOND 11 CYS A 425 CYS A 647 1555 1555 2.02 SSBOND 12 CYS A 457 CYS A 532 1555 1555 2.02 SSBOND 13 CYS A 481 CYS A 675 1555 1555 2.04 SSBOND 14 CYS A 491 CYS A 505 1555 1555 2.01 SSBOND 15 CYS A 502 CYS A 515 1555 1555 2.02 SSBOND 16 CYS A 573 CYS A 587 1555 1555 2.03 SSBOND 17 CYS A 625 CYS A 630 1555 1555 2.03 LINK OD1 ASP A 60 FE FE A 690 1555 1555 2.04 LINK OH TYR A 92 FE FE A 690 1555 1555 1.93 LINK OH TYR A 192 FE FE A 690 1555 1555 1.92 LINK NE2 HIS A 253 FE FE A 690 1555 1555 2.28 LINK OD1 ASP A 395 FE FE A 691 1555 1555 2.17 LINK OH TYR A 433 FE FE A 691 1555 1555 1.93 LINK OH TYR A 526 FE FE A 691 1555 1555 1.91 LINK NE2 HIS A 595 FE FE A 691 1555 1555 2.50 LINK FE FE A 690 O2 CO3 A 692 1555 1555 1.92 LINK FE FE A 690 O1 CO3 A 692 1555 1555 2.04 LINK FE FE A 691 O1 CO3 A 693 1555 1555 1.94 LINK FE FE A 691 O2 CO3 A 693 1555 1555 2.48 SITE 1 AC1 5 ASP A 60 TYR A 92 TYR A 192 HIS A 253 SITE 2 AC1 5 CO3 A 692 SITE 1 AC2 5 ASP A 395 TYR A 433 TYR A 526 HIS A 595 SITE 2 AC2 5 CO3 A 693 SITE 1 AC3 9 ASP A 60 TYR A 92 THR A 117 ARG A 121 SITE 2 AC3 9 ALA A 123 GLY A 124 TYR A 192 HIS A 253 SITE 3 AC3 9 FE A 690 SITE 1 AC4 9 ASP A 395 TYR A 433 THR A 459 ARG A 463 SITE 2 AC4 9 THR A 464 ALA A 465 ALA A 466 TYR A 526 SITE 3 AC4 9 FE A 691 CRYST1 85.175 99.496 103.052 90.00 90.00 90.00 P 21 21 21 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 0.011740 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010051 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009704 0.00000