HEADER MEMBRANE PROTEIN 13-JUN-03 1PO0 TITLE CRYSTAL STRUCTURE OF FERRIC CITRATE TRANSPORTER FECA IN COMPLEX WITH TITLE 2 IRON-FREE CITRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: IRON(III) DICITRATE TRANSPORT PROTEIN FECA PRECURSOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: FECA RESIDUES 81-741; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: FECA OR B4291; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET20B KEYWDS OUTER MEMBRANE PROTEIN, BETA BARREL, TONB-DEPENDENT TRANSPORT, KEYWDS 2 CITRATE, SIDEROPHORE, MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.W.YUE,S.GRIZOT,S.K.BUCHANAN REVDAT 3 16-AUG-23 1PO0 1 REMARK REVDAT 2 24-FEB-09 1PO0 1 VERSN REVDAT 1 18-NOV-03 1PO0 0 JRNL AUTH W.W.YUE,S.GRIZOT,S.K.BUCHANAN JRNL TITL STRUCTURAL EVIDENCE FOR IRON-FREE CITRATE AND FERRIC CITRATE JRNL TITL 2 BINDING TO THE TONB-DEPENDENT OUTER MEMBRANE TRANSPORTER JRNL TITL 3 FECA JRNL REF J.MOL.BIOL. V. 332 353 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12948487 JRNL DOI 10.1016/S0022-2836(03)00855-6 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 51234 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 SET) : 0.233 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2608 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.28 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7648 REMARK 3 BIN R VALUE (WORKING SET) : 0.4090 REMARK 3 BIN FREE R VALUE : 0.4110 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 409 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 : 5166 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 256 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.66000 REMARK 3 B22 (A**2) : -2.14000 REMARK 3 B33 (A**2) : 4.80000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.41 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.41 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.030 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.310 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.100 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.650 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.660 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 41.04 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CITRATE.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : CITRATE.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SIDE CHAINS WERE NOT BUILT FOR RESIDUES REMARK 3 ASP255, GLU293, GLN428, GLN695 AND MET696 REMARK 4 REMARK 4 1PO0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019456. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9180 REMARK 200 MONOCHROMATOR : SYNCHROTRON REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52397 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 29.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.11200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.41000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ACCESSION CODE 1KMO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG1000, LDAO, SODIUM CITRATE, SODIUM REMARK 280 CHLORIDE , PH 5.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 56.53500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.65500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 56.53500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 44.65500 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER 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 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 ALA A 1 REMARK 465 GLN A 2 REMARK 465 VAL A 3 REMARK 465 ASN A 4 REMARK 465 ILE A 5 REMARK 465 ALA A 6 REMARK 465 PRO A 7 REMARK 465 GLY A 8 REMARK 465 SER A 9 REMARK 465 LEU A 10 REMARK 465 ASP A 11 REMARK 465 LYS A 12 REMARK 465 ALA A 13 REMARK 465 LEU A 14 REMARK 465 ASN A 15 REMARK 465 GLN A 16 REMARK 465 TYR A 17 REMARK 465 ALA A 18 REMARK 465 ALA A 19 REMARK 465 HIS A 20 REMARK 465 SER A 21 REMARK 465 GLY A 22 REMARK 465 PHE A 23 REMARK 465 THR A 24 REMARK 465 LEU A 25 REMARK 465 SER A 26 REMARK 465 VAL A 27 REMARK 465 ASP A 28 REMARK 465 ALA A 29 REMARK 465 SER A 30 REMARK 465 LEU A 31 REMARK 465 THR A 32 REMARK 465 ARG A 33 REMARK 465 GLY A 34 REMARK 465 LYS A 35 REMARK 465 GLN A 36 REMARK 465 SER A 37 REMARK 465 ASN A 38 REMARK 465 GLY A 39 REMARK 465 LEU A 40 REMARK 465 HIS A 41 REMARK 465 GLY A 42 REMARK 465 ASP A 43 REMARK 465 TYR A 44 REMARK 465 ASP A 45 REMARK 465 VAL A 46 REMARK 465 GLU A 47 REMARK 465 SER A 48 REMARK 465 GLY A 49 REMARK 465 LEU A 50 REMARK 465 GLN A 51 REMARK 465 GLN A 52 REMARK 465 LEU A 53 REMARK 465 LEU A 54 REMARK 465 ASP A 55 REMARK 465 GLY A 56 REMARK 465 SER A 57 REMARK 465 GLY A 58 REMARK 465 LEU A 59 REMARK 465 GLN A 60 REMARK 465 VAL A 61 REMARK 465 LYS A 62 REMARK 465 PRO A 63 REMARK 465 LEU A 64 REMARK 465 GLY A 65 REMARK 465 ASN A 66 REMARK 465 ASN A 67 REMARK 465 SER A 68 REMARK 465 TRP A 69 REMARK 465 THR A 70 REMARK 465 LEU A 71 REMARK 465 GLU A 72 REMARK 465 PRO A 73 REMARK 465 ALA A 74 REMARK 465 PRO A 75 REMARK 465 ALA A 76 REMARK 465 PRO A 77 REMARK 465 LYS A 78 REMARK 465 GLU A 79 REMARK 465 ASP A 80 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 ASP A 255 CG OD1 OD2 REMARK 470 GLU A 293 CG CD OE1 OE2 REMARK 470 GLN A 428 CG CD OE1 NE2 REMARK 470 GLN A 695 CG CD OE1 NE2 REMARK 470 MET A 696 CG SD CE 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 NH1 ARG A 121 O ALA A 132 2.06 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 LEU A 82 89.27 62.79 REMARK 500 LEU A 89 -71.93 -76.60 REMARK 500 ASP A 91 30.72 -96.39 REMARK 500 ALA A 157 59.24 34.30 REMARK 500 ALA A 172 68.43 -157.37 REMARK 500 TYR A 174 -63.20 -91.99 REMARK 500 GLN A 176 76.94 -157.87 REMARK 500 PRO A 177 0.03 -68.19 REMARK 500 PRO A 183 56.54 -68.55 REMARK 500 PHE A 223 127.90 -21.00 REMARK 500 ASP A 271 -148.73 -99.26 REMARK 500 ASP A 292 -171.15 -172.48 REMARK 500 GLN A 325 170.83 -53.24 REMARK 500 SER A 378 75.68 -118.22 REMARK 500 ASP A 547 92.14 -164.89 REMARK 500 THR A 596 12.14 -59.21 REMARK 500 LEU A 597 -73.70 -115.29 REMARK 500 GLN A 695 -66.63 176.32 REMARK 500 MET A 696 34.22 -88.25 REMARK 500 ALA A 697 74.20 50.73 REMARK 500 ASP A 698 43.80 37.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FLC A 742 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FLC A 743 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PNZ RELATED DB: PDB REMARK 900 1PNZ IS THE SAME PROTEIN IN THE UNLIGANDED FORM DBREF 1PO0 A 1 741 UNP P13036 FECA_ECOLI 34 774 SEQRES 1 A 751 HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS ALA GLN VAL SEQRES 2 A 751 ASN ILE ALA PRO GLY SER LEU ASP LYS ALA LEU ASN GLN SEQRES 3 A 751 TYR ALA ALA HIS SER GLY PHE THR LEU SER VAL ASP ALA SEQRES 4 A 751 SER LEU THR ARG GLY LYS GLN SER ASN GLY LEU HIS GLY SEQRES 5 A 751 ASP TYR ASP VAL GLU SER GLY LEU GLN GLN LEU LEU ASP SEQRES 6 A 751 GLY SER GLY LEU GLN VAL LYS PRO LEU GLY ASN ASN SER SEQRES 7 A 751 TRP THR LEU GLU PRO ALA PRO ALA PRO LYS GLU ASP ALA SEQRES 8 A 751 LEU THR VAL VAL GLY ASP TRP LEU GLY ASP ALA ARG GLU SEQRES 9 A 751 ASN ASP VAL PHE GLU HIS ALA GLY ALA ARG ASP VAL ILE SEQRES 10 A 751 ARG ARG GLU ASP PHE ALA LYS THR GLY ALA THR THR MET SEQRES 11 A 751 ARG GLU VAL LEU ASN ARG ILE PRO GLY VAL SER ALA PRO SEQRES 12 A 751 GLU ASN ASN GLY THR GLY SER HIS ASP LEU ALA MET ASN SEQRES 13 A 751 PHE GLY ILE ARG GLY LEU ASN PRO ARG LEU ALA SER ARG SEQRES 14 A 751 SER THR VAL LEU MET ASP GLY ILE PRO VAL PRO PHE ALA SEQRES 15 A 751 PRO TYR GLY GLN PRO GLN LEU SER LEU ALA PRO VAL SER SEQRES 16 A 751 LEU GLY ASN MET ASP ALA ILE ASP VAL VAL ARG GLY GLY SEQRES 17 A 751 GLY ALA VAL ARG TYR GLY PRO GLN SER VAL GLY GLY VAL SEQRES 18 A 751 VAL ASN PHE VAL THR ARG ALA ILE PRO GLN ASP PHE GLY SEQRES 19 A 751 ILE GLU ALA GLY VAL GLU GLY GLN LEU SER PRO THR SER SEQRES 20 A 751 SER GLN ASN ASN PRO LYS GLU THR HIS ASN LEU MET VAL SEQRES 21 A 751 GLY GLY THR ALA ASP ASN GLY PHE GLY THR ALA LEU LEU SEQRES 22 A 751 TYR SER GLY THR ARG GLY SER ASP TRP ARG GLU HIS SER SEQRES 23 A 751 ALA THR ARG ILE ASP ASP LEU MET LEU LYS SER LYS TYR SEQRES 24 A 751 ALA PRO ASP GLU VAL HIS THR PHE ASN SER LEU LEU GLN SEQRES 25 A 751 TYR TYR ASP GLY GLU ALA ASP MET PRO GLY GLY LEU SER SEQRES 26 A 751 ARG ALA ASP TYR ASP ALA ASP ARG TRP GLN SER THR ARG SEQRES 27 A 751 PRO TYR ASP ARG PHE TRP GLY ARG ARG LYS LEU ALA SER SEQRES 28 A 751 LEU GLY TYR GLN PHE GLN PRO ASP SER GLN HIS LYS PHE SEQRES 29 A 751 ASN ILE GLN GLY PHE TYR THR GLN THR LEU ARG SER GLY SEQRES 30 A 751 TYR LEU GLU GLN GLY LYS ARG ILE THR LEU SER PRO ARG SEQRES 31 A 751 ASN TYR TRP VAL ARG GLY ILE GLU PRO ARG TYR SER GLN SEQRES 32 A 751 ILE PHE MET ILE GLY PRO SER ALA HIS GLU VAL GLY VAL SEQRES 33 A 751 GLY TYR ARG TYR LEU ASN GLU SER THR HIS GLU MET ARG SEQRES 34 A 751 TYR TYR THR ALA THR SER SER GLY GLN LEU PRO SER GLY SEQRES 35 A 751 SER SER PRO TYR ASP ARG ASP THR ARG SER GLY THR GLU SEQRES 36 A 751 ALA HIS ALA TRP TYR LEU ASP ASP LYS ILE ASP ILE GLY SEQRES 37 A 751 ASN TRP THR ILE THR PRO GLY MET ARG PHE GLU HIS ILE SEQRES 38 A 751 GLU SER TYR GLN ASN ASN ALA ILE THR GLY THR HIS GLU SEQRES 39 A 751 GLU VAL SER TYR ASN ALA PRO LEU PRO ALA LEU ASN VAL SEQRES 40 A 751 LEU TYR HIS LEU THR ASP SER TRP ASN LEU TYR ALA ASN SEQRES 41 A 751 THR GLU GLY SER PHE GLY THR VAL GLN TYR SER GLN ILE SEQRES 42 A 751 GLY LYS ALA VAL GLN SER GLY ASN VAL GLU PRO GLU LYS SEQRES 43 A 751 ALA ARG THR TRP GLU LEU GLY THR ARG TYR ASP ASP GLY SEQRES 44 A 751 ALA LEU THR ALA GLU MET GLY LEU PHE LEU ILE ASN PHE SEQRES 45 A 751 ASN ASN GLN TYR ASP SER ASN GLN THR ASN ASP THR VAL SEQRES 46 A 751 THR ALA ARG GLY LYS THR ARG HIS THR GLY LEU GLU THR SEQRES 47 A 751 GLN ALA ARG TYR ASP LEU GLY THR LEU THR PRO THR LEU SEQRES 48 A 751 ASP ASN VAL SER ILE TYR ALA SER TYR ALA TYR VAL ASN SEQRES 49 A 751 ALA GLU ILE ARG GLU LYS GLY ASP THR TYR GLY ASN LEU SEQRES 50 A 751 VAL PRO PHE SER PRO LYS HIS LYS GLY THR LEU GLY VAL SEQRES 51 A 751 ASP TYR LYS PRO GLY ASN TRP THR PHE ASN LEU ASN SER SEQRES 52 A 751 ASP PHE GLN SER SER GLN PHE ALA ASP ASN ALA ASN THR SEQRES 53 A 751 VAL LYS GLU SER ALA ASP GLY SER THR GLY ARG ILE PRO SEQRES 54 A 751 GLY PHE MET LEU TRP GLY ALA ARG VAL ALA TYR ASP PHE SEQRES 55 A 751 GLY PRO GLN MET ALA ASP LEU ASN LEU ALA PHE GLY VAL SEQRES 56 A 751 LYS ASN ILE PHE ASP GLN ASP TYR PHE ILE ARG SER TYR SEQRES 57 A 751 ASP ASP ASN ASN LYS GLY ILE TYR ALA GLY GLN PRO ARG SEQRES 58 A 751 THR LEU TYR MET GLN GLY SER LEU LYS PHE HET FLC A 742 13 HET FLC A 743 13 HETNAM FLC CITRATE ANION FORMUL 2 FLC 2(C6 H5 O7 3-) FORMUL 4 HOH *256(H2 O) HELIX 1 1 ARG A 93 GLU A 99 1 7 HELIX 2 2 ARG A 109 ALA A 113 1 5 HELIX 3 3 LYS A 114 GLY A 116 5 3 HELIX 4 4 THR A 119 ASN A 125 1 7 HELIX 5 5 ASN A 136 SER A 140 5 5 HELIX 6 6 PRO A 154 SER A 158 5 5 HELIX 7 7 SER A 185 GLY A 187 5 3 HELIX 8 8 GLN A 206 GLY A 209 5 4 HELIX 9 9 SER A 315 ASP A 322 1 8 HELIX 10 10 GLN A 519 GLY A 530 1 12 HELIX 11 11 GLY A 595 LEU A 597 5 3 HELIX 12 12 THR A 598 ASP A 602 5 5 SHEET 1 A 5 ASP A 105 ARG A 108 0 SHEET 2 A 5 MET A 189 VAL A 195 -1 O VAL A 194 N ASP A 105 SHEET 3 A 5 VAL A 211 THR A 216 -1 O VAL A 211 N VAL A 195 SHEET 4 A 5 THR A 161 MET A 164 1 N LEU A 163 O PHE A 214 SHEET 5 A 5 ILE A 167 PRO A 168 -1 O ILE A 167 N MET A 164 SHEET 1 B 2 VAL A 130 SER A 131 0 SHEET 2 B 2 GLY A 148 ILE A 149 -1 O GLY A 148 N SER A 131 SHEET 1 C26 HIS A 352 GLN A 371 0 SHEET 2 C26 ARG A 374 LEU A 377 -1 O ARG A 374 N GLN A 371 SHEET 3 C26 SER A 400 ALA A 423 -1 O TYR A 420 N LEU A 377 SHEET 4 C26 HIS A 352 GLN A 371 0 SHEET 5 C26 ARG A 332 ASP A 349 -1 N PHE A 346 O PHE A 354 SHEET 6 C26 HIS A 295 ASP A 309 -1 N ALA A 308 O PHE A 333 SHEET 7 C26 THR A 278 TYR A 289 -1 N TYR A 289 O PHE A 297 SHEET 8 C26 PHE A 258 GLY A 269 -1 N GLY A 259 O LYS A 288 SHEET 9 C26 LYS A 243 THR A 253 -1 N HIS A 246 O GLY A 266 SHEET 10 C26 GLY A 224 LEU A 233 -1 N GLU A 226 O MET A 249 SHEET 11 C26 THR A 732 LYS A 740 -1 O LEU A 739 N ALA A 227 SHEET 12 C26 ASN A 700 LYS A 706 -1 N LYS A 706 O THR A 732 SHEET 13 C26 PHE A 681 ASP A 691 -1 N VAL A 688 O PHE A 703 SHEET 14 C26 TRP A 647 GLN A 656 -1 N ASP A 654 O LEU A 683 SHEET 15 C26 HIS A 634 TYR A 642 -1 N LEU A 638 O SER A 653 SHEET 16 C26 VAL A 604 ILE A 617 -1 N SER A 605 O ASP A 641 SHEET 17 C26 GLY A 579 ASP A 593 -1 N THR A 584 O ASN A 614 SHEET 18 C26 LEU A 551 GLN A 565 -1 N ILE A 560 O HIS A 583 SHEET 19 C26 GLU A 535 ASP A 547 -1 N TYR A 546 O ALA A 553 SHEET 20 C26 TRP A 505 GLY A 516 -1 N GLY A 516 O GLU A 535 SHEET 21 C26 HIS A 483 THR A 502 -1 N VAL A 497 O ALA A 509 SHEET 22 C26 TRP A 460 ASN A 477 -1 N ARG A 467 O LEU A 492 SHEET 23 C26 TYR A 436 ILE A 457 -1 N ARG A 441 O ASN A 476 SHEET 24 C26 SER A 400 ALA A 423 -1 N GLU A 417 O THR A 440 SHEET 25 C26 ARG A 380 ILE A 397 -1 N PHE A 395 O HIS A 402 SHEET 26 C26 SER A 400 ALA A 423 -1 O HIS A 402 N PHE A 395 SHEET 1 D 2 PHE A 714 SER A 717 0 SHEET 2 D 2 GLY A 724 ALA A 727 -1 O TYR A 726 N ILE A 715 CISPEP 1 GLY A 204 PRO A 205 0 -0.04 SITE 1 AC1 12 THR A 138 ARG A 155 ARG A 365 ARG A 380 SITE 2 AC1 12 ASP A 720 FLC A 743 HOH A 744 HOH A 745 SITE 3 AC1 12 HOH A 746 HOH A 748 HOH A 852 HOH A 960 SITE 1 AC2 12 ARG A 155 GLN A 176 GLN A 178 ARG A 380 SITE 2 AC2 12 ARG A 438 SER A 521 FLC A 742 HOH A 745 SITE 3 AC2 12 HOH A 746 HOH A 747 HOH A 748 HOH A 846 CRYST1 113.070 89.310 95.790 90.00 90.00 90.00 P 21 21 2 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 0.008844 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011197 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010440 0.00000