HEADER HYDROLASE 04-FEB-14 4OWZ TITLE STRUCTURE OF ECP/H15A MUTANT. COMPND MOL_ID: 1; COMPND 2 MOLECULE: EOSINOPHIL CATIONIC PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ECP, RIBONUCLEASE 3, RNASE 3; COMPND 5 EC: 3.1.27.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 TISSUE: BONE MARROW; SOURCE 5 CELL: EOSINOPHIL; SOURCE 6 GENE: ECP,RNASE3,RNS3; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET11C KEYWDS RNASE 3, EOSINOPHIL CATIONIC PROTEIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.BLANCO,V.A.SALAZAR,E.BOIX,M.MOUSSAOUI REVDAT 2 27-DEC-23 4OWZ 1 SOURCE KEYWDS JRNL REMARK REVDAT 2 2 1 LINK CRYST1 REVDAT 1 04-MAR-15 4OWZ 0 JRNL AUTH J.A.BLANCO,V.A.SALAZAR,E.BOIX,M.MOUSSAOUI JRNL TITL STRUCTURE OF A ECP/H15A MUTANT AT 1.47 ANGSTROMS RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.47 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.4_1496) 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) : 1.47 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.45 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 60201 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.050 REMARK 3 FREE R VALUE TEST SET COUNT : 3038 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 25.4560 - 4.1135 1.00 2861 163 0.1883 0.2141 REMARK 3 2 4.1135 - 3.2672 1.00 2666 172 0.1655 0.1453 REMARK 3 3 3.2672 - 2.8548 1.00 2652 144 0.1910 0.2232 REMARK 3 4 2.8548 - 2.5941 1.00 2638 143 0.2130 0.2574 REMARK 3 5 2.5941 - 2.4083 1.00 2635 114 0.2169 0.2494 REMARK 3 6 2.4083 - 2.2664 1.00 2611 147 0.2148 0.2221 REMARK 3 7 2.2664 - 2.1529 1.00 2589 129 0.2120 0.2439 REMARK 3 8 2.1529 - 2.0593 1.00 2585 158 0.2112 0.2177 REMARK 3 9 2.0593 - 1.9800 1.00 2591 146 0.2200 0.2714 REMARK 3 10 1.9800 - 1.9117 1.00 2582 138 0.2234 0.2544 REMARK 3 11 1.9117 - 1.8520 1.00 2578 135 0.2185 0.2627 REMARK 3 12 1.8520 - 1.7990 1.00 2575 127 0.2438 0.2689 REMARK 3 13 1.7990 - 1.7517 1.00 2551 148 0.2409 0.2837 REMARK 3 14 1.7517 - 1.7090 1.00 2549 140 0.2396 0.2906 REMARK 3 15 1.7090 - 1.6701 1.00 2577 129 0.2407 0.2525 REMARK 3 16 1.6701 - 1.6346 1.00 2575 131 0.2397 0.2748 REMARK 3 17 1.6346 - 1.6019 1.00 2519 146 0.2420 0.2696 REMARK 3 18 1.6019 - 1.5717 1.00 2560 150 0.2545 0.3171 REMARK 3 19 1.5717 - 1.5436 1.00 2572 125 0.2665 0.2883 REMARK 3 20 1.5436 - 1.5174 1.00 2563 118 0.2666 0.3014 REMARK 3 21 1.5174 - 1.4930 1.00 2562 108 0.2868 0.3260 REMARK 3 22 1.4930 - 1.4700 1.00 2572 127 0.3165 0.3216 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.500 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 : 0.007 2452 REMARK 3 ANGLE : 1.147 3330 REMARK 3 CHIRALITY : 0.049 353 REMARK 3 PLANARITY : 0.005 448 REMARK 3 DIHEDRAL : 17.275 970 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 4OWZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-14. REMARK 100 THE DEPOSITION ID IS D_1000200166. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-DEC-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0-5.2 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALBA REMARK 200 BEAMLINE : XALOC REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 60201 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.470 REMARK 200 RESOLUTION RANGE LOW (A) : 175.230 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 15.90 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 34.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.47 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 14.90 REMARK 200 R MERGE FOR SHELL (I) : 0.44700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS RESUSPENDED IN 20MM SODIUM REMARK 280 ACETATE BUFFER, PH 5.0, 1 UL OF SAMPLE MIXED WITH 1 UL OF REMARK 280 CRYSTALLISATION BUFFER (0.1M SODIUM CITRATE, PH 5.2; 8% REMARK 280 JEFFAMINE M-600; 10MM IRON(III) CHLORIDE), VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 87.61650 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 131.42475 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 43.80825 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 87.61650 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 43.80825 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 131.42475 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25990 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 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 HOH B 421 LIES ON A SPECIAL POSITION. REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG B 75 NH1 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 O7 CIT A 302 O HOH A 401 2.02 REMARK 500 OD1 ASN A 39 O HOH A 402 2.06 REMARK 500 O HOH B 404 O HOH B 445 2.09 REMARK 500 O HOH B 418 O HOH B 459 2.16 REMARK 500 O4 CIT B 302 O HOH B 401 2.17 REMARK 500 O HOH A 596 O HOH A 608 2.18 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 403 O HOH A 443 5555 1.95 REMARK 500 REMARK 500 REMARK: NULL 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 CYS A 37 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 CYS A 96 CA - CB - SG ANGL. DEV. = -14.0 DEGREES REMARK 500 CYS A 96 CA - CB - SG ANGL. DEV. = 9.1 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 ASN B 87 69.79 -119.13 REMARK 500 ASN B 95 56.79 -151.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 543 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH A 545 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 571 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH A 629 DISTANCE = 6.78 ANGSTROMS REMARK 525 HOH B 490 DISTANCE = 6.02 ANGSTROMS REMARK 525 HOH B 522 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH B 525 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH B 546 DISTANCE = 6.39 ANGSTROMS REMARK 525 HOH B 564 DISTANCE = 6.78 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 AUTHORS STATE THAT BOTH IRON AND CITRATE ATOMS HAVE BEEN ADJUSTED REMARK 600 TO THE CORRESPONDING ELECTRON DENSITY. CIT302 SURROUNDS THE SAME- REMARK 600 CHAIN IRON ATOM, WHICH CAN ALSO COORDINATE SOME SURROUNDING WATER REMARK 600 MOLECULES. THESE HAVE BEEN DIFFICULT TO ADJUST AS THE ELECTRON REMARK 600 DENSITY AROUND THE IRON ATOMS IS NOT SPHERICAL AND THE WATER REMARK 600 MOLECULES THERE WOULD NOT HAVE A DEFINED FIXED POSITION. THE REMARK 600 SURROUNDING CITRATE LIGAND ALSO SHOWED HIGH MOBILITY. THESE REMARK 600 PROBLEMS ALTOGETHER MAKE REFINEMENT STEPS MOVE THE CITRATE LIGAND REMARK 600 IN SUCH A POSITION THAT CLASHES APPEARED. 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 303 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CIT A 302 O5 REMARK 620 2 CIT A 302 O6 58.6 REMARK 620 3 CIT A 302 O1 91.4 78.6 REMARK 620 4 CIT A 302 O3 106.7 116.7 38.4 REMARK 620 5 HOH A 401 O 88.1 129.3 144.6 108.5 REMARK 620 6 HOH A 403 O 95.7 60.4 125.4 151.1 89.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 303 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CIT B 302 O1 REMARK 620 2 CIT B 302 O7 104.1 REMARK 620 3 CIT B 302 O7 104.1 0.0 REMARK 620 4 CIT B 302 O5 76.9 42.1 42.1 REMARK 620 5 CIT B 302 O6 90.3 17.4 17.4 25.4 REMARK 620 6 HOH B 404 O 82.6 149.8 149.8 159.4 159.5 REMARK 620 7 HOH B 408 O 92.1 133.1 133.1 103.2 124.8 74.8 REMARK 620 8 HOH B 418 O 171.5 81.7 81.7 111.3 96.5 89.3 88.2 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 CIT A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FE A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CIT B 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FE B 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4A2Y RELATED DB: PDB REMARK 900 ECP IN COMPLEX WITH CITRATE AND IRON AT 1.7 A RESOLUTION REMARK 900 RELATED ID: 4OXB RELATED DB: PDB REMARK 900 ECP IN COMPLEX WITH SULPHATE ANIONS REMARK 900 RELATED ID: 4OXF RELATED DB: PDB REMARK 900 ECP IN COMPLEX WITH CITRATE AND IRON IONS DBREF 4OWZ A 1 133 UNP P12724 ECP_HUMAN 28 160 DBREF 4OWZ B 1 133 UNP P12724 ECP_HUMAN 28 160 SEQADV 4OWZ MET A 0 UNP P12724 INITIATING METHIONINE SEQADV 4OWZ ALA A 15 UNP P12724 HIS 42 ENGINEERED MUTATION SEQADV 4OWZ ARG A 97 UNP P12724 THR 124 VARIANT SEQADV 4OWZ MET B 0 UNP P12724 INITIATING METHIONINE SEQADV 4OWZ ALA B 15 UNP P12724 HIS 42 ENGINEERED MUTATION SEQADV 4OWZ ARG B 97 UNP P12724 THR 124 VARIANT SEQRES 1 A 134 MET ARG PRO PRO GLN PHE THR ARG ALA GLN TRP PHE ALA SEQRES 2 A 134 ILE GLN ALA ILE SER LEU ASN PRO PRO ARG CYS THR ILE SEQRES 3 A 134 ALA MET ARG ALA ILE ASN ASN TYR ARG TRP ARG CYS LYS SEQRES 4 A 134 ASN GLN ASN THR PHE LEU ARG THR THR PHE ALA ASN VAL SEQRES 5 A 134 VAL ASN VAL CYS GLY ASN GLN SER ILE ARG CYS PRO HIS SEQRES 6 A 134 ASN ARG THR LEU ASN ASN CYS HIS ARG SER ARG PHE ARG SEQRES 7 A 134 VAL PRO LEU LEU HIS CYS ASP LEU ILE ASN PRO GLY ALA SEQRES 8 A 134 GLN ASN ILE SER ASN CYS ARG TYR ALA ASP ARG PRO GLY SEQRES 9 A 134 ARG ARG PHE TYR VAL VAL ALA CYS ASP ASN ARG ASP PRO SEQRES 10 A 134 ARG ASP SER PRO ARG TYR PRO VAL VAL PRO VAL HIS LEU SEQRES 11 A 134 ASP THR THR ILE SEQRES 1 B 134 MET ARG PRO PRO GLN PHE THR ARG ALA GLN TRP PHE ALA SEQRES 2 B 134 ILE GLN ALA ILE SER LEU ASN PRO PRO ARG CYS THR ILE SEQRES 3 B 134 ALA MET ARG ALA ILE ASN ASN TYR ARG TRP ARG CYS LYS SEQRES 4 B 134 ASN GLN ASN THR PHE LEU ARG THR THR PHE ALA ASN VAL SEQRES 5 B 134 VAL ASN VAL CYS GLY ASN GLN SER ILE ARG CYS PRO HIS SEQRES 6 B 134 ASN ARG THR LEU ASN ASN CYS HIS ARG SER ARG PHE ARG SEQRES 7 B 134 VAL PRO LEU LEU HIS CYS ASP LEU ILE ASN PRO GLY ALA SEQRES 8 B 134 GLN ASN ILE SER ASN CYS ARG TYR ALA ASP ARG PRO GLY SEQRES 9 B 134 ARG ARG PHE TYR VAL VAL ALA CYS ASP ASN ARG ASP PRO SEQRES 10 B 134 ARG ASP SER PRO ARG TYR PRO VAL VAL PRO VAL HIS LEU SEQRES 11 B 134 ASP THR THR ILE HET CIT A 301 13 HET CIT A 302 13 HET FE A 303 1 HET CIT B 301 13 HET CIT B 302 13 HET FE B 303 1 HETNAM CIT CITRIC ACID HETNAM FE FE (III) ION FORMUL 3 CIT 4(C6 H8 O7) FORMUL 5 FE 2(FE 3+) FORMUL 9 HOH *410(H2 O) HELIX 1 AA1 THR A 6 ILE A 16 1 11 HELIX 2 AA2 ARG A 22 MET A 27 1 6 HELIX 3 AA3 MET A 27 ASN A 32 1 6 HELIX 4 AA4 THR A 47 CYS A 55 1 9 HELIX 5 AA5 THR B 6 ILE B 16 1 11 HELIX 6 AA6 ARG B 22 MET B 27 1 6 HELIX 7 AA7 MET B 27 ASN B 32 1 6 HELIX 8 AA8 THR B 47 CYS B 55 1 9 SHEET 1 AA1 3 GLN A 40 LEU A 44 0 SHEET 2 AA1 3 VAL A 78 LEU A 85 -1 O LEU A 81 N PHE A 43 SHEET 3 AA1 3 TYR A 98 ARG A 105 -1 O ALA A 99 N ASP A 84 SHEET 1 AA2 3 CYS A 71 ARG A 73 0 SHEET 2 AA2 3 TYR A 107 ASN A 113 -1 O VAL A 109 N HIS A 72 SHEET 3 AA2 3 VAL A 124 THR A 132 -1 O VAL A 127 N ALA A 110 SHEET 1 AA3 5 GLN B 40 LEU B 44 0 SHEET 2 AA3 5 VAL B 78 LEU B 85 -1 O LEU B 81 N PHE B 43 SHEET 3 AA3 5 TYR B 98 ASN B 113 -1 O ALA B 99 N ASP B 84 SHEET 4 AA3 5 CYS B 71 ARG B 73 -1 N HIS B 72 O VAL B 109 SHEET 5 AA3 5 SER B 59 ILE B 60 -1 N ILE B 60 O CYS B 71 SHEET 1 AA4 4 GLN B 40 LEU B 44 0 SHEET 2 AA4 4 VAL B 78 LEU B 85 -1 O LEU B 81 N PHE B 43 SHEET 3 AA4 4 TYR B 98 ASN B 113 -1 O ALA B 99 N ASP B 84 SHEET 4 AA4 4 VAL B 124 ILE B 133 -1 O VAL B 127 N ALA B 110 SSBOND 1 CYS A 23 CYS A 83 1555 1555 2.05 SSBOND 2 CYS A 37 CYS A 96 1555 1555 2.02 SSBOND 3 CYS A 55 CYS A 111 1555 1555 2.03 SSBOND 4 CYS A 62 CYS A 71 1555 1555 2.05 SSBOND 5 CYS B 23 CYS B 83 1555 1555 2.05 SSBOND 6 CYS B 37 CYS B 96 1555 1555 2.03 SSBOND 7 CYS B 55 CYS B 111 1555 1555 2.04 SSBOND 8 CYS B 62 CYS B 71 1555 1555 2.04 LINK O5 CIT A 302 FE FE A 303 1555 1555 2.05 LINK O6 CIT A 302 FE FE A 303 1555 1555 2.32 LINK O1 CIT A 302 FE FE A 303 1555 5555 2.12 LINK O3 CIT A 302 FE FE A 303 1555 5555 2.38 LINK FE FE A 303 O HOH A 401 1555 5555 2.04 LINK FE FE A 303 O HOH A 403 1555 1555 2.18 LINK O1 CIT B 302 FE FE B 303 1555 1555 2.61 LINK O7 CIT B 302 FE FE B 303 1555 1555 2.09 LINK O7 CIT B 302 FE FE B 303 1555 5555 1.77 LINK O5 CIT B 302 FE FE B 303 1555 5555 2.62 LINK O6 CIT B 302 FE FE B 303 1555 5555 1.98 LINK FE FE B 303 O HOH B 404 1555 5555 2.30 LINK FE FE B 303 O HOH B 408 1555 1555 1.79 LINK FE FE B 303 O HOH B 418 1555 1555 2.10 SITE 1 AC1 10 THR A 46 ASN A 50 SER A 74 ARG A 75 SITE 2 AC1 10 PHE A 76 TYR A 107 HOH A 427 HOH A 459 SITE 3 AC1 10 HOH A 514 ARG B 121 SITE 1 AC2 9 ARG A 34 ARG A 36 CYS A 37 LYS A 38 SITE 2 AC2 9 ASN A 39 FE A 303 HOH A 401 HOH A 403 SITE 3 AC2 9 HOH A 410 SITE 1 AC3 3 CIT A 302 HOH A 401 HOH A 403 SITE 1 AC4 13 ARG A 61 ARG A 66 THR B 46 ASN B 50 SITE 2 AC4 13 VAL B 54 SER B 74 ARG B 75 PHE B 76 SITE 3 AC4 13 VAL B 78 TYR B 107 HOH B 405 HOH B 423 SITE 4 AC4 13 HOH B 532 SITE 1 AC5 10 ARG B 34 CYS B 37 LYS B 38 ASN B 39 SITE 2 AC5 10 FE B 303 HOH B 401 HOH B 404 HOH B 408 SITE 3 AC5 10 HOH B 418 HOH B 419 SITE 1 AC6 4 CIT B 302 HOH B 404 HOH B 408 HOH B 418 CRYST1 62.543 62.543 175.233 90.00 90.00 90.00 P 43 2 2 16 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 0.015989 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015989 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005707 0.00000