HEADER HYDROLASE 08-FEB-00 1DYT TITLE X-RAY CRYSTAL STRUCTURE OF ECP (RNASE 3) AT 1.75 A COMPND MOL_ID: 1; COMPND 2 MOLECULE: EOSINOPHIL CATIONIC PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: RIBONUCLEASE 3; COMPND 5 EC: 3.1.27.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: EOSINOPHIL; SOURCE 6 GENE: RNASE3; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS HYDROLASE, EOSINOPHIL CATIONIC PROTEIN, ECP, RNASE 3 EXPDTA X-RAY DIFFRACTION AUTHOR G.MALLORQUI-FERNANDEZ,J.POUS,R.PERACAULA,T.MAEDA,H.TADA,H.YAMADA, AUTHOR 2 M.SENO,R.DE LLORENS,F.X.GOMIS-RUETH,M.COLL REVDAT 4 06-NOV-24 1DYT 1 REMARK REVDAT 3 01-MAY-24 1DYT 1 REMARK ATOM REVDAT 2 24-FEB-09 1DYT 1 VERSN REVDAT 1 08-FEB-01 1DYT 0 JRNL AUTH G.MALLORQUI-FERNANDEZ,J.POUS,R.PERACAULA,T.MAEDA,H.TADA, JRNL AUTH 2 H.YAMADA,M.SENO,R.DE LLORENS,F.X.GOMIS-RUETH,M.COLL JRNL TITL THREE-DIMENSIONAL CRYSTAL STRUCTURE OF HUMAN EOSINOPHIL JRNL TITL 2 CATIONIC PROTEIN (RNASE 3) AT 1.75 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 300 1297 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10903870 JRNL DOI 10.1006/JMBI.2000.3939 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.7 REMARK 3 NUMBER OF REFLECTIONS : 31866 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : MLF REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.271 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3524 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.000 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2188 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 332 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.40 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.752 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : DENSITY MODIFICATION REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : ION.PARAM REMARK 3 PARAMETER FILE 4 : CIT_XPLOR_PAR.TXT REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN_REP.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : CIT_XPLOR_TOP.TXT REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DYT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-FEB-00. REMARK 100 THE DEPOSITION ID IS D_1290004595. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-99 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.20 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.05271 REMARK 200 MONOCHROMATOR : TOROIDAL MIRROR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35401 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 22.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : 0.03300 REMARK 200 R SYM (I) : 0.03300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.03000 REMARK 200 R SYM FOR SHELL (I) : 0.03000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.750 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: EOSINOPHIL DERIVED PROTEIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8% JEFFAMINE M-600, 0.1M SODIUM REMARK 280 CITRATE PH 5.2, 0.01M IRON CHLORIDE, PH 5.20 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 87.29500 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 130.94250 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 43.64750 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 87.29500 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 43.64750 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 130.94250 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 A 22 CG CD NE CZ NH1 NH2 REMARK 480 ARG A 28 NH1 NH2 REMARK 480 GLN A 58 NE2 REMARK 480 ARG A 77 CZ NH1 NH2 REMARK 480 GLN A 91 CD OE1 NE2 REMARK 480 ASN A 92 O OD1 ND2 REMARK 480 ARG A 97 NE CZ NH1 NH2 REMARK 480 ARG A 101 NH1 NH2 REMARK 480 ARG A 105 CZ NH1 NH2 REMARK 480 ARG B 22 CG CD NE CZ NH1 NH2 REMARK 480 ARG B 36 NE CZ NH2 REMARK 480 ASN B 57 OD1 ND2 REMARK 480 ARG B 61 CZ NH1 NH2 REMARK 480 ARG B 66 CZ NH1 NH2 REMARK 480 ASN B 69 ND2 REMARK 480 ARG B 75 CD NE CZ NH1 NH2 REMARK 480 ARG B 97 CZ NH1 NH2 REMARK 480 ARG B 101 CD NE CZ NH1 NH2 REMARK 480 ARG B 104 CG CD NE REMARK 480 ARG B 105 NE CZ NH1 NH2 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 O5 CIT B 302 O HOH B 2145 1.90 REMARK 500 N ASN B 39 O2 CIT B 302 1.97 REMARK 500 OD1 ASN A 95 O HOH A 2148 2.02 REMARK 500 O HOH A 2094 O HOH A 2140 2.03 REMARK 500 O HOH B 2068 O HOH B 2069 2.08 REMARK 500 O HOH A 2117 O HOH A 2119 2.15 REMARK 500 OD1 ASN A 39 O HOH A 2094 2.16 REMARK 500 O HOH A 2138 O HOH A 2140 2.17 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 96 CA - CB - SG ANGL. DEV. = 10.1 DEGREES REMARK 500 ARG B 34 NE - CZ - NH2 ANGL. DEV. = -3.2 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 THR A 46 -157.80 -153.54 REMARK 500 PRO B 21 -169.58 -77.66 REMARK 500 ARG B 66 -15.73 -48.29 REMARK 500 ASN B 87 70.81 -118.63 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 A2007 DISTANCE = 5.94 ANGSTROMS REMARK 525 HOH A2009 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH A2011 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH A2019 DISTANCE = 6.16 ANGSTROMS REMARK 525 HOH A2020 DISTANCE = 6.47 ANGSTROMS REMARK 525 HOH A2021 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A2024 DISTANCE = 6.20 ANGSTROMS REMARK 525 HOH A2034 DISTANCE = 6.61 ANGSTROMS REMARK 525 HOH B2004 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH B2031 DISTANCE = 6.09 ANGSTROMS REMARK 525 HOH B2032 DISTANCE = 7.25 ANGSTROMS 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 300 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CIT A 302 O6 REMARK 620 2 CIT A 302 O4 52.1 REMARK 620 3 CIT A 302 O7 126.8 114.0 REMARK 620 4 CIT A 302 O7 111.2 116.2 19.7 REMARK 620 5 CIT A 302 O6 110.9 90.2 23.8 31.9 REMARK 620 6 CIT A 302 C3 99.3 87.8 30.2 29.1 13.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE B 300 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CIT B 302 O7 REMARK 620 2 CIT B 302 C3 20.9 REMARK 620 3 CIT B 302 O7 3.1 17.9 REMARK 620 4 CIT B 302 C2 24.2 17.1 21.7 REMARK 620 5 CIT B 302 O5 102.7 105.5 102.6 88.5 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT A 301 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 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CIT B 302 DBREF 1DYT A 1 133 UNP P12724 ECP_HUMAN 28 160 DBREF 1DYT B 1 133 UNP P12724 ECP_HUMAN 28 160 SEQRES 1 A 133 ARG PRO PRO GLN PHE THR ARG ALA GLN TRP PHE ALA ILE SEQRES 2 A 133 GLN HIS ILE SER LEU ASN PRO PRO ARG CYS THR ILE ALA SEQRES 3 A 133 MET ARG ALA ILE ASN ASN TYR ARG TRP ARG CYS LYS ASN SEQRES 4 A 133 GLN ASN THR PHE LEU ARG THR THR PHE ALA ASN VAL VAL SEQRES 5 A 133 ASN VAL CYS GLY ASN GLN SER ILE ARG CYS PRO HIS ASN SEQRES 6 A 133 ARG THR LEU ASN ASN CYS HIS ARG SER ARG PHE ARG VAL SEQRES 7 A 133 PRO LEU LEU HIS CYS ASP LEU ILE ASN PRO GLY ALA GLN SEQRES 8 A 133 ASN ILE SER ASN CYS ARG TYR ALA ASP ARG PRO GLY ARG SEQRES 9 A 133 ARG PHE TYR VAL VAL ALA CYS ASP ASN ARG ASP PRO ARG SEQRES 10 A 133 ASP SER PRO ARG TYR PRO VAL VAL PRO VAL HIS LEU ASP SEQRES 11 A 133 THR THR ILE SEQRES 1 B 133 ARG PRO PRO GLN PHE THR ARG ALA GLN TRP PHE ALA ILE SEQRES 2 B 133 GLN HIS ILE SER LEU ASN PRO PRO ARG CYS THR ILE ALA SEQRES 3 B 133 MET ARG ALA ILE ASN ASN TYR ARG TRP ARG CYS LYS ASN SEQRES 4 B 133 GLN ASN THR PHE LEU ARG THR THR PHE ALA ASN VAL VAL SEQRES 5 B 133 ASN VAL CYS GLY ASN GLN SER ILE ARG CYS PRO HIS ASN SEQRES 6 B 133 ARG THR LEU ASN ASN CYS HIS ARG SER ARG PHE ARG VAL SEQRES 7 B 133 PRO LEU LEU HIS CYS ASP LEU ILE ASN PRO GLY ALA GLN SEQRES 8 B 133 ASN ILE SER ASN CYS ARG TYR ALA ASP ARG PRO GLY ARG SEQRES 9 B 133 ARG PHE TYR VAL VAL ALA CYS ASP ASN ARG ASP PRO ARG SEQRES 10 B 133 ASP SER PRO ARG TYR PRO VAL VAL PRO VAL HIS LEU ASP SEQRES 11 B 133 THR THR ILE HET FE A 300 1 HET CIT A 301 13 HET CIT A 302 13 HET FE B 300 1 HET CIT B 301 13 HET CIT B 302 13 HETNAM FE FE (III) ION HETNAM CIT CITRIC ACID FORMUL 3 FE 2(FE 3+) FORMUL 4 CIT 4(C6 H8 O7) FORMUL 9 HOH *332(H2 O) HELIX 1 1 THR A 6 ILE A 16 1 11 HELIX 2 2 ARG A 22 MET A 27 1 6 HELIX 3 3 MET A 27 ASN A 32 1 6 HELIX 4 4 THR A 47 CYS A 55 1 9 HELIX 5 5 THR B 6 ILE B 16 1 11 HELIX 6 6 ARG B 22 MET B 27 1 6 HELIX 7 7 MET B 27 ASN B 32 1 6 HELIX 8 8 THR B 47 CYS B 55 1 9 HELIX 9 9 ASN B 92 CYS B 96 5 5 SHEET 1 A 3 GLN A 40 LEU A 44 0 SHEET 2 A 3 VAL A 78 LEU A 85 -1 O LEU A 81 N PHE A 43 SHEET 3 A 3 TYR A 98 ARG A 105 -1 O ALA A 99 N ASP A 84 SHEET 1 B 4 SER A 59 ILE A 60 0 SHEET 2 B 4 CYS A 71 ARG A 73 0 SHEET 3 B 4 TYR A 107 ASN A 113 -1 O VAL A 109 N HIS A 72 SHEET 4 B 4 VAL A 124 THR A 132 -1 O VAL A 125 N ASP A 112 SHEET 1 C 3 GLN B 40 LEU B 44 0 SHEET 2 C 3 VAL B 78 LEU B 85 -1 O LEU B 81 N PHE B 43 SHEET 3 C 3 TYR B 98 ARG B 105 -1 O ALA B 99 N ASP B 84 SHEET 1 D 4 SER B 59 ILE B 60 0 SHEET 2 D 4 CYS B 71 ARG B 73 0 SHEET 3 D 4 TYR B 107 ASN B 113 -1 O VAL B 109 N HIS B 72 SHEET 4 D 4 VAL B 124 THR B 132 -1 O VAL B 125 N ASP B 112 SSBOND 1 CYS A 23 CYS A 83 1555 1555 2.03 SSBOND 2 CYS A 37 CYS A 96 1555 1555 1.99 SSBOND 3 CYS A 55 CYS A 111 1555 1555 2.05 SSBOND 4 CYS A 62 CYS A 71 1555 1555 2.02 SSBOND 5 CYS B 23 CYS B 83 1555 1555 2.04 SSBOND 6 CYS B 37 CYS B 96 1555 1555 2.01 SSBOND 7 CYS B 55 CYS B 111 1555 1555 2.04 SSBOND 8 CYS B 62 CYS B 71 1555 1555 2.03 LINK FE FE A 300 O6 CIT A 302 1555 5656 1.52 LINK FE FE A 300 O4 CIT A 302 1555 1555 2.28 LINK FE FE A 300 O7 CIT A 302 1555 1555 2.27 LINK FE FE A 300 O7 CIT A 302 1555 5656 2.32 LINK FE FE A 300 O6 CIT A 302 5656 1555 1.52 LINK FE FE A 300 C3 CIT A 302 5656 1555 1.60 LINK FE FE B 300 O7 CIT B 302 1555 5656 1.64 LINK FE FE B 300 C3 CIT B 302 5656 1555 1.58 LINK FE FE B 300 O7 CIT B 302 5656 1555 1.64 LINK FE FE B 300 C2 CIT B 302 5656 1555 1.79 LINK FE FE B 300 O5 CIT B 302 1555 5656 2.48 SITE 1 AC1 3 ARG B 34 CIT B 302 HOH B2144 SITE 1 AC2 1 CIT A 302 SITE 1 AC3 13 THR A 46 ASN A 50 VAL A 54 SER A 74 SITE 2 AC3 13 ARG A 75 PHE A 76 VAL A 78 TYR A 107 SITE 3 AC3 13 HOH A2109 HOH A2180 HOH A2181 HOH A2182 SITE 4 AC3 13 ARG B 121 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 B2083 HOH B2142 SITE 4 AC4 13 HOH B2143 SITE 1 AC5 10 ARG A 34 LYS A 38 ASN A 39 GLN A 40 SITE 2 AC5 10 FE A 300 HOH A2094 HOH A2096 HOH A2183 SITE 3 AC5 10 HOH A2184 HOH A2185 SITE 1 AC6 12 ARG B 34 ARG B 36 CYS B 37 LYS B 38 SITE 2 AC6 12 ASN B 39 GLN B 40 FE B 300 HOH B2068 SITE 3 AC6 12 HOH B2144 HOH B2145 HOH B2146 HOH B2147 CRYST1 62.163 62.163 174.590 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 0.016087 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016087 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005728 0.00000