HEADER METAL BINDING PROTEIN 24-JUN-13 4LDC TITLE CRYSTAL STRUCTURE OF DOC2B C2B DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: DOUBLE C2-LIKE DOMAIN-CONTAINING PROTEIN BETA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: C2B DOMAIN (UNP RESIDUES 265-412); COMPND 5 SYNONYM: DOC2-BETA; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: DOC2B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS C2, CALCIUM BINDING DOMAIN, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.GILADI,L.ALMAGOR,J.A.HIRSCH REVDAT 3 28-FEB-24 4LDC 1 REMARK SEQADV LINK REVDAT 2 13-NOV-13 4LDC 1 JRNL REVDAT 1 11-SEP-13 4LDC 0 JRNL AUTH M.GILADI,L.MICHAELI,L.ALMAGOR,D.BAR-ON,T.BUKI,U.ASHERY, JRNL AUTH 2 D.KHANANSHVILI,J.A.HIRSCH JRNL TITL THE C2B DOMAIN IS THE PRIMARY CA(2+) SENSOR IN DOC2B: A JRNL TITL 2 STRUCTURAL AND FUNCTIONAL ANALYSIS. JRNL REF J.MOL.BIOL. V. 425 4629 2013 JRNL REFN ISSN 0022-2836 JRNL PMID 23994332 JRNL DOI 10.1016/J.JMB.2013.08.017 REMARK 2 REMARK 2 RESOLUTION. 1.26 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.26 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.45 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 33558 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.128 REMARK 3 R VALUE (WORKING SET) : 0.127 REMARK 3 FREE R VALUE : 0.144 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 1683 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 36.4634 - 2.8940 0.92 2590 136 0.1580 0.1440 REMARK 3 2 2.8940 - 2.2972 0.96 2638 139 0.1382 0.1396 REMARK 3 3 2.2972 - 2.0068 0.98 2660 142 0.1189 0.1473 REMARK 3 4 2.0068 - 1.8234 0.99 2678 140 0.1135 0.1346 REMARK 3 5 1.8234 - 1.6927 0.99 2685 144 0.1128 0.1246 REMARK 3 6 1.6927 - 1.5929 0.99 2679 143 0.1078 0.1442 REMARK 3 7 1.5929 - 1.5131 0.99 2683 140 0.1083 0.1401 REMARK 3 8 1.5131 - 1.4472 0.99 2697 144 0.1126 0.1616 REMARK 3 9 1.4472 - 1.3915 0.99 2681 139 0.1131 0.1551 REMARK 3 10 1.3915 - 1.3435 0.99 2662 141 0.1097 0.1574 REMARK 3 11 1.3435 - 1.3015 0.98 2653 138 0.1098 0.1582 REMARK 3 12 1.3015 - 1.2640 0.96 2569 137 0.1286 0.1664 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 13.020 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 : 0.011 1243 REMARK 3 ANGLE : 1.106 1702 REMARK 3 CHIRALITY : 0.065 182 REMARK 3 PLANARITY : 0.005 215 REMARK 3 DIHEDRAL : 12.196 469 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 4LDC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-13. REMARK 100 THE DEPOSITION ID IS D_1000080487. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-JUN-12 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 5.3 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) : 0.934 REMARK 200 MONOCHROMATOR : DIAMOND (111), GE(220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33561 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.240 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 1.24 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 29.4 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.8_1069 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22.5% ISOPROPANOL, 20% PEG 4000, 0.1 M REMARK 280 NA-CITRATE, PH 5.3, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 292K 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 45.40100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.04550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.40100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 20.04550 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 HOH A 649 LIES ON A SPECIAL POSITION. 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 LYS A 280 CD CE NZ REMARK 470 LYS A 316 CG CD CE NZ REMARK 470 LYS A 317 CG CD CE NZ REMARK 470 LYS A 321 CD CE NZ REMARK 470 LYS A 326 CE NZ REMARK 470 LYS A 342 CE NZ REMARK 470 PHE A 385 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 389 CD CE NZ REMARK 470 LYS A 391 CD CE NZ 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 HD1 HIS A 383 HE2 HIS A 399 1.26 REMARK 500 HH12 ARG A 394 O HOH A 721 1.46 REMARK 500 O HOH A 787 O HOH A 806 1.85 REMARK 500 O HOH A 731 O HOH A 774 1.92 REMARK 500 O HOH A 766 O HOH A 768 1.94 REMARK 500 O HOH A 800 O HOH A 809 1.95 REMARK 500 O HOH A 758 O HOH A 767 2.01 REMARK 500 O HOH A 755 O HOH A 797 2.06 REMARK 500 O HOH A 736 O HOH A 738 2.07 REMARK 500 O HOH A 794 O HOH A 795 2.07 REMARK 500 O HOH A 708 O HOH A 776 2.07 REMARK 500 OE1 GLU A 404 O HOH A 748 2.09 REMARK 500 O HOH A 726 O HOH A 775 2.10 REMARK 500 O HOH A 750 O HOH A 752 2.19 REMARK 500 OH TYR A 358 O HOH A 792 2.19 REMARK 500 O HOH A 621 O HOH A 739 2.19 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 753 O HOH A 759 4556 1.78 REMARK 500 O HOH A 652 O HOH A 655 2555 1.88 REMARK 500 O HOH A 692 O HOH A 692 2555 2.17 REMARK 500 O HOH A 754 O HOH A 757 1565 2.18 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 301 -166.19 -120.27 REMARK 500 ASP A 315 3.37 88.81 REMARK 500 ALA A 408 -104.72 -91.53 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 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 296 O REMARK 620 2 ASP A 297 OD1 81.8 REMARK 620 3 ASP A 357 OD2 89.8 77.9 REMARK 620 4 ASP A 359 OD2 155.6 121.9 100.1 REMARK 620 5 ASP A 359 OD1 152.4 70.8 80.7 52.0 REMARK 620 6 ASP A 365 OD2 80.3 158.9 90.9 77.3 125.4 REMARK 620 N 1 2 3 4 5 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 ASP A 297 OD2 REMARK 620 2 ASP A 297 OD1 52.7 REMARK 620 3 ASP A 303 OD2 76.8 126.8 REMARK 620 4 ASP A 357 OD1 85.4 90.3 102.3 REMARK 620 5 TYR A 358 O 153.6 151.4 81.7 84.5 REMARK 620 6 ASP A 359 OD1 125.5 72.8 152.3 96.3 79.9 REMARK 620 7 HOH A 602 O 87.6 82.0 80.2 171.8 103.6 84.2 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 CA 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 FLC A 503 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4LCV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DOC2B C2A DOMAIN DBREF 4LDC A 265 412 UNP P70610 DOC2B_RAT 265 412 SEQADV 4LDC GLY A 264 UNP P70610 EXPRESSION TAG SEQRES 1 A 149 GLY GLU GLU ARG GLY ARG ILE LEU ILE SER LEU LYS TYR SEQRES 2 A 149 SER SER GLN LYS GLN GLY LEU LEU VAL GLY ILE VAL ARG SEQRES 3 A 149 CYS ALA HIS LEU ALA ALA MET ASP ALA ASN GLY TYR SER SEQRES 4 A 149 ASP PRO TYR VAL LYS THR TYR LEU LYS PRO ASP VAL ASP SEQRES 5 A 149 LYS LYS SER LYS HIS LYS THR ALA VAL LYS LYS LYS THR SEQRES 6 A 149 LEU ASN PRO GLU PHE ASN GLU GLU PHE CYS TYR GLU ILE SEQRES 7 A 149 LYS HIS GLY ASP LEU ALA LYS LYS THR LEU GLU VAL THR SEQRES 8 A 149 VAL TRP ASP TYR ASP ILE GLY LYS SER ASN ASP PHE ILE SEQRES 9 A 149 GLY GLY VAL VAL LEU GLY ILE ASN ALA LYS GLY GLU ARG SEQRES 10 A 149 LEU LYS HIS TRP PHE ASP CYS LEU LYS ASN LYS ASP LYS SEQRES 11 A 149 ARG ILE GLU ARG TRP HIS THR LEU THR ASN GLU ILE PRO SEQRES 12 A 149 GLY ALA VAL LEU SER ASP HET CA A 501 1 HET CA A 502 1 HET FLC A 503 18 HETNAM CA CALCIUM ION HETNAM FLC CITRATE ANION FORMUL 2 CA 2(CA 2+) FORMUL 4 FLC C6 H5 O7 3- FORMUL 5 HOH *214(H2 O) HELIX 1 1 LYS A 342 LYS A 349 5 8 HELIX 2 2 LYS A 377 ASN A 390 1 14 SHEET 1 A 4 GLU A 332 GLU A 340 0 SHEET 2 A 4 GLY A 282 ALA A 291 -1 N LEU A 283 O TYR A 339 SHEET 3 A 4 GLU A 266 SER A 277 -1 N LYS A 275 O LEU A 284 SHEET 4 A 4 ILE A 395 THR A 402 -1 O ILE A 395 N LEU A 274 SHEET 1 B 4 HIS A 320 LYS A 321 0 SHEET 2 B 4 PRO A 304 LYS A 311 -1 N THR A 308 O HIS A 320 SHEET 3 B 4 THR A 350 ASP A 357 -1 O THR A 354 N LYS A 307 SHEET 4 B 4 ASP A 365 LEU A 372 -1 O GLY A 368 N VAL A 355 LINK O MET A 296 CA CA A 501 1555 1555 2.38 LINK OD1 ASP A 297 CA CA A 501 1555 1555 2.43 LINK OD2 ASP A 297 CA CA A 502 1555 1555 2.43 LINK OD1 ASP A 297 CA CA A 502 1555 1555 2.53 LINK OD2 ASP A 303 CA CA A 502 1555 1555 2.35 LINK OD2 ASP A 357 CA CA A 501 1555 1555 2.30 LINK OD1 ASP A 357 CA CA A 502 1555 1555 2.37 LINK O TYR A 358 CA CA A 502 1555 1555 2.36 LINK OD2 ASP A 359 CA CA A 501 1555 1555 2.41 LINK OD1 ASP A 359 CA CA A 501 1555 1555 2.55 LINK OD1 ASP A 359 CA CA A 502 1555 1555 2.33 LINK OD2 ASP A 365 CA CA A 501 1555 1555 2.33 LINK CA CA A 502 O HOH A 602 1555 1555 2.37 CISPEP 1 LYS A 311 PRO A 312 0 -2.08 SITE 1 AC1 6 GLU A 266 MET A 296 ASP A 297 ASP A 357 SITE 2 AC1 6 ASP A 359 ASP A 365 SITE 1 AC2 6 ASP A 297 ASP A 303 ASP A 357 TYR A 358 SITE 2 AC2 6 ASP A 359 HOH A 602 SITE 1 AC3 13 TYR A 301 PRO A 312 THR A 328 LEU A 329 SITE 2 AC3 13 ASN A 330 GLY A 378 HOH A 616 HOH A 648 SITE 3 AC3 13 HOH A 669 HOH A 699 HOH A 703 HOH A 706 SITE 4 AC3 13 HOH A 710 CRYST1 90.802 40.091 36.922 90.00 105.47 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 0.011013 0.000000 0.003048 0.00000 SCALE2 0.000000 0.024943 0.000000 0.00000 SCALE3 0.000000 0.000000 0.028102 0.00000