HEADER SIGNALING PROTEIN 31-OCT-18 6IOS TITLE THE LIGAND BINDING DOMAIN OF MLP24 WITH PROLINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYL-ACCEPTING CHEMOTAXIS PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 666; SOURCE 4 GENE: MCPB_4, ERS013206_02812; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX 6P-2 KEYWDS CHEMORECEPTOR, LIGAND COMPLEX, MCP-LIKE PROTEIN, PAS-LIKE DOMAIN, KEYWDS 2 SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.TAKAHASHI,K.SUMITA,S.NISHIYAMA,I.KAWAGISHI,K.IMADA REVDAT 3 27-MAR-24 6IOS 1 REMARK REVDAT 2 24-APR-19 6IOS 1 JRNL REVDAT 1 06-MAR-19 6IOS 0 JRNL AUTH Y.TAKAHASHI,S.I.NISHIYAMA,K.SUMITA,I.KAWAGISHI,K.IMADA JRNL TITL CALCIUM IONS MODULATE AMINO ACID SENSING OF THE JRNL TITL 2 CHEMORECEPTOR MLP24 OFVIBRIO CHOLERAE. JRNL REF J. BACTERIOL. V. 201 2019 JRNL REFN ESSN 1098-5530 JRNL PMID 30745373 JRNL DOI 10.1128/JB.00779-18 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 56.60 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 15939 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.910 REMARK 3 FREE R VALUE TEST SET COUNT : 782 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 56.6464 - 4.2701 1.00 2651 126 0.2307 0.2288 REMARK 3 2 4.2701 - 3.3894 1.00 2541 121 0.2031 0.2547 REMARK 3 3 3.3894 - 2.9610 1.00 2527 131 0.2101 0.2570 REMARK 3 4 2.9610 - 2.6903 1.00 2502 123 0.2143 0.2599 REMARK 3 5 2.6903 - 2.4975 1.00 2463 137 0.2072 0.2821 REMARK 3 6 2.4975 - 2.3502 1.00 2473 144 0.2105 0.2891 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.250 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.810 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.008 1924 REMARK 3 ANGLE : 1.180 2609 REMARK 3 CHIRALITY : 0.046 294 REMARK 3 PLANARITY : 0.005 336 REMARK 3 DIHEDRAL : 14.451 712 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6IOS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1300009639. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-MAY-14 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL26B2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX225-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15952 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 56.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : 0.10900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.30 REMARK 200 R MERGE FOR SHELL (I) : 0.42300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS PH 8.5, 50% (V/V) PEG 400, REMARK 280 0.1M CALCIUM ACETATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y+1/2,Z REMARK 290 7555 -X+1/2,Y,-Z REMARK 290 8555 X,-Y,-Z+1/2 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 29.55500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 56.63000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 56.63000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.55500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.60000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 29.55500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 55.60000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 56.63000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 55.60000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 29.55500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 56.63000 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: DIMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 55.60000 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 C TRS A 504 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 614 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 624 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 665 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 691 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 GLY A 25 REMARK 465 PRO A 26 REMARK 465 LEU A 27 REMARK 465 GLY A 28 REMARK 465 SER A 29 REMARK 465 ASP A 267 REMARK 465 LEU A 268 REMARK 465 ARG A 269 REMARK 465 HIS A 270 REMARK 465 SER A 271 REMARK 465 SER A 272 REMARK 465 LEU A 273 REMARK 465 ILE A 274 REMARK 465 HIS A 275 REMARK 465 HIS A 276 REMARK 465 HIS A 277 REMARK 465 HIS A 278 REMARK 465 HIS A 279 REMARK 465 HIS A 280 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 OD1 ASP A 56 O HOH A 601 2.09 REMARK 500 O HOH A 603 O HOH A 687 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 625 O HOH A 680 7455 1.87 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 ASP A 74 68.56 -162.98 REMARK 500 GLN A 162 57.73 39.25 REMARK 500 ASN A 183 37.77 -95.36 REMARK 500 PHE A 188 4.99 55.93 REMARK 500 MET A 264 31.86 -82.96 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 CA A 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 109 OE1 REMARK 620 2 GLU A 109 OE2 51.7 REMARK 620 3 ASP A 111 O 124.4 73.2 REMARK 620 4 TRP A 114 O 89.6 83.6 90.3 REMARK 620 5 GLU A 115 OE1 75.9 126.7 159.6 87.8 REMARK 620 6 ACT A 503 O 158.9 140.1 72.5 76.9 87.3 REMARK 620 7 HOH A 607 O 74.2 73.8 86.1 157.3 103.1 122.9 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PRO A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ACT A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue TRS A 504 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue TRS A 505 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6IOP RELATED DB: PDB REMARK 900 RELATED ID: 6IOQ RELATED DB: PDB REMARK 900 RELATED ID: 6IOR RELATED DB: PDB DBREF1 6IOS A 30 274 UNP A0A0H6VSA0_VIBCL DBREF2 6IOS A A0A0H6VSA0 76 320 SEQADV 6IOS GLY A 25 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS PRO A 26 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS LEU A 27 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS GLY A 28 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS SER A 29 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 275 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 276 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 277 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 278 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 279 UNP A0A0H6VSA EXPRESSION TAG SEQADV 6IOS HIS A 280 UNP A0A0H6VSA EXPRESSION TAG SEQRES 1 A 256 GLY PRO LEU GLY SER VAL ARG GLU GLU ILE GLU SER LEU SEQRES 2 A 256 VAL GLN ASP SER LEU MET GLU MET VAL LYS GLY VAL LYS SEQRES 3 A 256 ASN THR ILE GLU SER ASP LEU ALA SER LYS LYS GLY LEU SEQRES 4 A 256 ALA GLN SER THR THR GLU ILE LEU GLN LEU ASP PRO THR SEQRES 5 A 256 ASN LYS ALA PHE ALA LYS SER VAL LEU GLU SER PRO ASN SEQRES 6 A 256 LEU LYS GLY SER PHE LEU ALA ILE GLY LEU GLY TYR GLU SEQRES 7 A 256 SER ASP ALA THR VAL VAL GLU ASN ASP ASP GLY TRP GLU SEQRES 8 A 256 PRO ASN ALA ASP TYR ASP PRO ARG LYS ARG PRO TRP TYR SEQRES 9 A 256 VAL ASP ALA LYS ARG GLU ARG LYS LEU VAL VAL THR GLU SEQRES 10 A 256 PRO TYR VAL ASP ILE SER THR LYS LYS ILE ILE ILE SER SEQRES 11 A 256 ILE GLY THR PRO VAL TYR GLN GLN SER ASN PHE VAL GLY SEQRES 12 A 256 ALA MET PHE TYR ASP VAL GLU LEU THR GLN LEU ALA GLN SEQRES 13 A 256 LEU VAL ASN SER VAL ASN LEU PHE ASP ALA GLY TYR LEU SEQRES 14 A 256 PHE ILE THR THR LYS ASP GLY VAL THR ILE ALA HIS PRO SEQRES 15 A 256 ASN ALA GLU ASN ASN GLY GLU LYS PHE SER GLN PHE LEU SEQRES 16 A 256 PRO ASN VAL ASP LEU LYS GLU GLY THR GLN ARG ILE GLU SEQRES 17 A 256 LEU ASP GLY LYS TYR TYR LEU VAL LYS PHE ALA GLN VAL SEQRES 18 A 256 PRO SER GLU SER TRP TYR ILE GLY ALA VAL VAL ASP GLU SEQRES 19 A 256 SER ILE ALA PHE ALA MET VAL ASP ASP LEU ARG HIS SER SEQRES 20 A 256 SER LEU ILE HIS HIS HIS HIS HIS HIS HET PRO A 501 8 HET CA A 502 1 HET ACT A 503 4 HET TRS A 504 8 HET TRS A 505 8 HETNAM PRO PROLINE HETNAM CA CALCIUM ION HETNAM ACT ACETATE ION HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETSYN TRS TRIS BUFFER FORMUL 2 PRO C5 H9 N O2 FORMUL 3 CA CA 2+ FORMUL 4 ACT C2 H3 O2 1- FORMUL 5 TRS 2(C4 H12 N O3 1+) FORMUL 7 HOH *91(H2 O) HELIX 1 AA1 VAL A 30 GLN A 72 1 43 HELIX 2 AA2 ASN A 77 GLU A 86 1 10 HELIX 3 AA3 SER A 87 GLY A 92 1 6 HELIX 4 AA4 ASP A 121 LYS A 124 5 4 HELIX 5 AA5 ARG A 125 ARG A 135 1 11 HELIX 6 AA6 GLU A 174 ASN A 183 1 10 HELIX 7 AA7 ASN A 207 ASN A 211 5 5 HELIX 8 AA8 LYS A 214 PHE A 218 5 5 HELIX 9 AA9 GLU A 258 MET A 264 1 7 SHEET 1 AA1 5 VAL A 107 GLU A 109 0 SHEET 2 AA1 5 ALA A 96 TYR A 101 -1 N LEU A 99 O VAL A 108 SHEET 3 AA1 5 ASN A 164 VAL A 173 -1 O ASP A 172 N ALA A 96 SHEET 4 AA1 5 ILE A 151 GLN A 161 -1 N VAL A 159 O VAL A 166 SHEET 5 AA1 5 VAL A 138 VAL A 139 -1 N VAL A 138 O GLY A 156 SHEET 1 AA2 5 VAL A 107 GLU A 109 0 SHEET 2 AA2 5 ALA A 96 TYR A 101 -1 N LEU A 99 O VAL A 108 SHEET 3 AA2 5 ASN A 164 VAL A 173 -1 O ASP A 172 N ALA A 96 SHEET 4 AA2 5 ILE A 151 GLN A 161 -1 N VAL A 159 O VAL A 166 SHEET 5 AA2 5 TYR A 143 VAL A 144 -1 N TYR A 143 O ILE A 152 SHEET 1 AA3 5 THR A 202 ALA A 204 0 SHEET 2 AA3 5 GLY A 191 THR A 196 -1 N ILE A 195 O ILE A 203 SHEET 3 AA3 5 TRP A 250 ASP A 257 -1 O GLY A 253 N PHE A 194 SHEET 4 AA3 5 TYR A 237 VAL A 245 -1 N VAL A 245 O TRP A 250 SHEET 5 AA3 5 GLY A 227 GLU A 232 -1 N ILE A 231 O TYR A 238 LINK OE1 GLU A 109 CA CA A 502 1555 1555 2.72 LINK OE2 GLU A 109 CA CA A 502 1555 1555 2.15 LINK O ASP A 111 CA CA A 502 1555 1555 2.33 LINK O TRP A 114 CA CA A 502 1555 1555 2.40 LINK OE1 GLU A 115 CA CA A 502 1555 1555 2.35 LINK CA CA A 502 O ACT A 503 1555 1555 2.86 LINK CA CA A 502 O HOH A 607 1555 1555 2.50 SITE 1 AC1 7 TYR A 120 ARG A 125 TRP A 127 ASP A 145 SITE 2 AC1 7 ILE A 146 PHE A 170 ASP A 172 SITE 1 AC2 6 GLU A 109 ASP A 111 TRP A 114 GLU A 115 SITE 2 AC2 6 ACT A 503 HOH A 607 SITE 1 AC3 11 LYS A 78 ALA A 79 LYS A 82 ASP A 111 SITE 2 AC3 11 ASP A 112 GLY A 113 TRP A 114 GLU A 115 SITE 3 AC3 11 CA A 502 HOH A 605 HOH A 607 SITE 1 AC4 3 ASP A 40 SER A 41 GLU A 44 SITE 1 AC5 8 LYS A 91 PHE A 94 LEU A 95 ASN A 110 SITE 2 AC5 8 HOH A 613 HOH A 621 HOH A 627 HOH A 645 CRYST1 59.110 111.200 113.260 90.00 90.00 90.00 I 21 21 21 8 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 0.016918 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008993 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008829 0.00000