PDB Short entry for 1X2W HEADER PROTEIN BINDING 26-APR-05 1X2W TITLE CRYSTAL STRUCTURE OF APO-HABU IX-BP AT PH 4.6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: COAGULATION FACTOR IX/X-BINDING PROTEIN A CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: COAGULATION FACTOR IX/FACTOR X-BINDING PROTEIN B CHAIN; COMPND 6 CHAIN: B; COMPND 7 SYNONYM: IX/X-BP SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRIMERESURUS FLAVOVIRIDIS; SOURCE 3 ORGANISM_TAXID: 88087; SOURCE 4 SECRETION: VENOM; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: TRIMERESURUS FLAVOVIRIDIS; SOURCE 7 ORGANISM_TAXID: 88087; SOURCE 8 SECRETION: VENOM KEYWDS HETERODIMER, DOMAIN SWAPPING, C-TYPE LECTIN-LIKE PROTEIN, PROTEIN KEYWDS 2 BINDING EXPDTA X-RAY DIFFRACTION AUTHOR N.SUZUKI,Z.FUJIMOTO,T.MORITA,A.FUKAMIZU,H.MIZUNO REVDAT 4 11-OCT-17 1X2W 1 REMARK REVDAT 3 24-FEB-09 1X2W 1 VERSN REVDAT 2 15-NOV-05 1X2W 1 REMARK REVDAT 1 04-OCT-05 1X2W 0 JRNL AUTH N.SUZUKI,Z.FUJIMOTO,T.MORITA,A.FUKAMIZU,H.MIZUNO JRNL TITL PH-DEPENDENT STRUCTURAL CHANGES AT CA(2+)-BINDING SITES OF JRNL TITL 2 COAGULATION FACTOR IX-BINDING PROTEIN JRNL REF J.MOL.BIOL. V. 353 80 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 16165155 JRNL DOI 10.1016/J.JMB.2005.08.018 REMARK 2 REMARK 2 RESOLUTION. 2.29 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) : 2.29 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.68 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 984047.990 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 11542 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) : 0.214 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 566 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 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) : 2.29 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.43 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1801 REMARK 3 BIN R VALUE (WORKING SET) : 0.3310 REMARK 3 BIN FREE R VALUE : 0.4840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 87 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.052 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2047 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 323 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.77000 REMARK 3 B22 (A**2) : -1.12000 REMARK 3 B33 (A**2) : -4.66000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 4.99000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.31 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) : 0.33 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.730 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) : 1.360 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.170 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.890 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 66.23 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1X2W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-APR-05. REMARK 100 THE DEPOSITION ID IS D_1000024310. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-SEP-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : COLLIMATION REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS VII REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11631 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.290 REMARK 200 RESOLUTION RANGE LOW (A) : 36.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.29 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.27200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1BJ3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, RUBIDIUM ACETATE, REMARK 280 PEGMME 2000, PH 4.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K 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 67.06050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.91550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 67.06050 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.91550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 10490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22440 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -131.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 RB RB A 402 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 562 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 270 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 271 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 280 LIES ON A SPECIAL POSITION. 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 CYS A 2 139.75 75.21 REMARK 500 TYR A 9 116.55 -160.46 REMARK 500 GLU A 10 73.36 32.29 REMARK 500 SER A 90 -78.27 -120.23 REMARK 500 ASN A 93 57.75 -145.60 REMARK 500 TYR B 9 101.29 -166.12 REMARK 500 GLU B 19 109.50 -58.27 REMARK 500 HIS B 34 149.20 -179.25 REMARK 500 ASN B 70 57.75 33.40 REMARK 500 ARG B 86 -59.88 -131.54 REMARK 500 ALA B 89 43.82 -149.57 REMARK 500 SER B 101 -7.92 -51.75 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 RB A 402 RB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 455 O REMARK 620 2 LYS A 77 N 69.5 REMARK 620 3 HOH A 564 O 120.8 92.5 REMARK 620 4 LYS A 77 N 102.2 170.8 88.6 REMARK 620 5 HOH A 455 O 58.8 102.2 72.3 69.5 REMARK 620 6 HOH A 564 O 72.3 88.6 166.3 92.5 120.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 RB A 403 RB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 428 O REMARK 620 2 CYS A 2 O 150.3 REMARK 620 3 HOH A 437 O 50.4 140.5 REMARK 620 4 TRP A 6 O 48.8 102.0 90.0 REMARK 620 5 ASP A 1 O 126.9 48.9 167.9 94.7 REMARK 620 6 HOH A 540 O 94.3 91.2 126.3 91.6 42.6 REMARK 620 7 PRO A 3 O 97.7 59.7 92.8 66.5 99.3 136.1 REMARK 620 8 HOH B 268 O 120.7 83.0 71.4 153.9 107.2 114.0 95.5 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 404 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1X2T RELATED DB: PDB REMARK 900 HABU IX-BP AT PH 6.5 DBREF 1X2W A 1 129 UNP Q7LZ71 Q7LZ71_TRIFL 1 129 DBREF 1X2W B 1 123 UNP P23807 IXB_TRIFL 24 146 SEQRES 1 A 129 ASP CYS PRO SER GLY TRP SER SER TYR GLU GLY HIS CYS SEQRES 2 A 129 TYR LYS PRO PHE LYS LEU TYR LYS THR TRP ASP ASP ALA SEQRES 3 A 129 GLU ARG PHE CYS THR GLU GLN ALA LYS GLY GLY HIS LEU SEQRES 4 A 129 VAL SER ILE GLU SER ALA GLY GLU ALA ASP PHE VAL ALA SEQRES 5 A 129 GLN LEU VAL THR GLU ASN ILE GLN ASN THR LYS SER TYR SEQRES 6 A 129 VAL TRP ILE GLY LEU ARG VAL GLN GLY LYS GLU LYS GLN SEQRES 7 A 129 CYS SER SER GLU TRP SER ASP GLY SER SER VAL SER TYR SEQRES 8 A 129 GLU ASN TRP ILE GLU ALA GLU SER LYS THR CYS LEU GLY SEQRES 9 A 129 LEU GLU LYS GLU THR GLY PHE ARG LYS TRP VAL ASN ILE SEQRES 10 A 129 TYR CYS GLY GLN GLN ASN PRO PHE VAL CYS GLU ALA SEQRES 1 B 123 ASP CYS PRO SER ASP TRP SER SER TYR GLU GLY HIS CYS SEQRES 2 B 123 TYR LYS PRO PHE SER GLU PRO LYS ASN TRP ALA ASP ALA SEQRES 3 B 123 GLU ASN PHE CYS THR GLN GLN HIS ALA GLY GLY HIS LEU SEQRES 4 B 123 VAL SER PHE GLN SER SER GLU GLU ALA ASP PHE VAL VAL SEQRES 5 B 123 LYS LEU ALA PHE GLN THR PHE GLY HIS SER ILE PHE TRP SEQRES 6 B 123 MET GLY LEU SER ASN VAL TRP ASN GLN CYS ASN TRP GLN SEQRES 7 B 123 TRP SER ASN ALA ALA MET LEU ARG TYR LYS ALA TRP ALA SEQRES 8 B 123 GLU GLU SER TYR CYS VAL TYR PHE LYS SER THR ASN ASN SEQRES 9 B 123 LYS TRP ARG SER ARG ALA CYS ARG MET MET ALA GLN PHE SEQRES 10 B 123 VAL CYS GLU PHE GLN ALA HET CL A 401 1 HET RB A 402 1 HET RB A 403 1 HET SO4 A 404 5 HETNAM CL CHLORIDE ION HETNAM RB RUBIDIUM ION HETNAM SO4 SULFATE ION FORMUL 3 CL CL 1- FORMUL 4 RB 2(RB 1+) FORMUL 6 SO4 O4 S 2- FORMUL 7 HOH *323(H2 O) HELIX 1 1 THR A 22 ALA A 34 1 13 HELIX 2 2 SER A 44 ILE A 59 1 16 HELIX 3 3 ILE A 95 SER A 99 5 5 HELIX 4 4 ASN B 22 GLN B 32 1 11 HELIX 5 5 SER B 44 GLY B 60 1 17 SHEET 1 A 4 SER A 7 TYR A 9 0 SHEET 2 A 4 HIS A 12 LYS A 21 -1 O TYR A 14 N SER A 7 SHEET 3 A 4 ASN A 123 GLU A 128 -1 O PHE A 125 N PHE A 17 SHEET 4 A 4 HIS A 38 LEU A 39 -1 N HIS A 38 O GLU A 128 SHEET 1 B 4 VAL A 115 ILE A 117 0 SHEET 2 B 4 CYS A 102 LEU A 105 -1 N CYS A 102 O ILE A 117 SHEET 3 B 4 VAL A 66 VAL A 72 -1 N VAL A 66 O LEU A 105 SHEET 4 B 4 TRP B 77 TRP B 79 -1 O GLN B 78 N ARG A 71 SHEET 1 C 4 SER B 7 SER B 8 0 SHEET 2 C 4 HIS B 12 LYS B 21 -1 O TYR B 14 N SER B 7 SHEET 3 C 4 ALA B 115 GLN B 122 -1 O CYS B 119 N LYS B 15 SHEET 4 C 4 HIS B 38 LEU B 39 -1 N HIS B 38 O GLU B 120 SHEET 1 D 6 SER B 7 SER B 8 0 SHEET 2 D 6 HIS B 12 LYS B 21 -1 O TYR B 14 N SER B 7 SHEET 3 D 6 ALA B 115 GLN B 122 -1 O CYS B 119 N LYS B 15 SHEET 4 D 6 ILE B 63 TRP B 65 1 N TRP B 65 O GLN B 116 SHEET 5 D 6 TYR B 95 LYS B 100 -1 O PHE B 99 N PHE B 64 SHEET 6 D 6 ARG B 107 ALA B 110 -1 O ARG B 109 N CYS B 96 SSBOND 1 CYS A 2 CYS A 13 1555 1555 2.03 SSBOND 2 CYS A 30 CYS A 127 1555 1555 2.03 SSBOND 3 CYS A 79 CYS B 75 1555 1555 2.03 SSBOND 4 CYS A 102 CYS A 119 1555 1555 2.03 SSBOND 5 CYS B 2 CYS B 13 1555 1555 2.03 SSBOND 6 CYS B 30 CYS B 119 1555 1555 2.04 SSBOND 7 CYS B 96 CYS B 111 1555 1555 2.05 LINK RB RB A 402 O HOH A 455 1555 1555 3.75 LINK RB RB A 402 N LYS A 77 1555 1555 3.85 LINK RB RB A 402 O HOH A 564 1555 1555 3.08 LINK RB RB A 403 O HOH A 428 1555 1555 3.90 LINK RB RB A 403 O CYS A 2 1555 1555 3.17 LINK RB RB A 403 O HOH A 437 1555 1555 3.07 LINK RB RB A 403 O TRP A 6 1555 1555 2.98 LINK RB RB A 403 O ASP A 1 1555 1555 3.78 LINK RB RB A 403 O HOH A 540 1555 1555 3.37 LINK RB RB A 403 O PRO A 3 1555 1555 3.41 LINK RB RB A 402 N LYS A 77 1555 2555 3.85 LINK RB RB A 402 O HOH A 455 1555 2555 3.75 LINK RB RB A 402 O HOH A 564 1555 2555 3.08 LINK RB RB A 403 O HOH B 268 1555 1546 3.19 SITE 1 AC1 5 GLN A 73 GLY A 74 GLU A 76 TYR A 91 SITE 2 AC1 5 ASN B 76 SITE 1 AC2 1 HOH A 564 SITE 1 AC3 4 CYS A 2 PRO A 3 TRP A 6 HOH A 437 SITE 1 AC4 8 ASP A 24 ARG A 71 GLY A 74 LYS A 75 SITE 2 AC4 8 CYS A 119 HOH A 456 HOH A 479 HOH A 489 CRYST1 134.121 37.831 55.828 90.00 110.46 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 0.007456 0.000000 0.002782 0.00000 SCALE2 0.000000 0.026433 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019118 0.00000