HEADER PEROXIDASE 01-FEB-95 1APX TITLE CRYSTAL STRUCTURE OF RECOMBINANT ASCORBATE PEROXIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOSOLIC ASCORBATE PEROXIDASE; COMPND 3 CHAIN: A, B, C, D; COMPND 4 EC: 1.11.1.11; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PISUM SATIVUM; SOURCE 3 ORGANISM_COMMON: PEA; SOURCE 4 ORGANISM_TAXID: 3888; SOURCE 5 GENE: CDNA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PEROXIDASE EXPDTA X-RAY DIFFRACTION AUTHOR W.R.PATTERSON,T.L.POULOS REVDAT 4 07-FEB-24 1APX 1 REMARK LINK REVDAT 3 29-NOV-17 1APX 1 HELIX REVDAT 2 24-FEB-09 1APX 1 VERSN REVDAT 1 08-MAR-96 1APX 0 JRNL AUTH W.R.PATTERSON,T.L.POULOS JRNL TITL CRYSTAL STRUCTURE OF RECOMBINANT PEA CYTOSOLIC ASCORBATE JRNL TITL 2 PEROXIDASE. JRNL REF BIOCHEMISTRY V. 34 4331 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7703247 JRNL DOI 10.1021/BI00013A023 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.R.PATTERSON,T.L.POULOS REMARK 1 TITL CHARACTERIZATION AND CRYSTALLIZATION OF RECOMBINANT PEA REMARK 1 TITL 2 CYTOSOLIC ASCORBATE PEROXIDASE REMARK 1 REF J.BIOL.CHEM. V. 269 17020 1994 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.0 REMARK 3 NUMBER OF REFLECTIONS : 51337 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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 : 7660 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 176 REMARK 3 SOLVENT ATOMS : 645 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : NULL 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE ALA 250 RESIDUES, PLUS THE C-TERMINAL CARBOXYL GROUP, REMARK 3 WERE ROUGHLY MODELED INTO POOR, BUT OBSERVABLE, DENSITY. REMARK 4 REMARK 4 1APX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171112. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-APR-94 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS-NICOLET X100 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN V. 2.0 REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 65092 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 72.0 REMARK 200 DATA REDUNDANCY : 2.600 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 66.20000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.50000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 66.20000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.50000 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 300 REMARK: MTRIX REMARK 300 THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW REMARK 300 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE REMARK 300 VARIOUS DOMAINS IN THIS ENTRY. APPLYING THE APPROPRIATE REMARK 300 MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED REMARK 300 SECOND. REMARK 300 REMARK 300 APPLIED TO TRANSFORMED TO REMARK 300 MTRIX RESIDUES RESIDUES RMSD REMARK 300 M1 A 2 .. A 250 B 2 .. B 250 0.321 REMARK 300 M2 A 2 .. A 250 C 2 .. C 250 0.347 REMARK 300 M3 A 2 .. A 250 D 2 .. D 250 0.280 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, 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 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 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 LYS A 3 -55.29 -131.37 REMARK 500 PRO A 56 68.55 -69.18 REMARK 500 GLU A 249 -76.55 101.31 REMARK 500 SER B 138 -63.37 -26.88 REMARK 500 SER B 173 -9.47 -140.31 REMARK 500 GLU B 249 -81.78 98.71 REMARK 500 PRO C 56 71.86 -66.50 REMARK 500 GLU C 249 -57.13 99.02 REMARK 500 LEU D 245 105.38 -56.71 REMARK 500 GLU D 249 -61.98 77.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 235 0.07 SIDE CHAIN REMARK 500 TYR D 235 0.06 SIDE CHAIN 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 HEM A 251 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 163 NE2 REMARK 620 2 HEM A 251 NA 95.8 REMARK 620 3 HEM A 251 NB 89.0 88.8 REMARK 620 4 HEM A 251 NC 91.0 173.1 90.4 REMARK 620 5 HEM A 251 ND 90.8 91.7 179.5 89.1 REMARK 620 6 HOH A 322 O 169.2 73.8 93.7 99.4 86.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 252 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 164 O REMARK 620 2 THR A 164 OG1 67.2 REMARK 620 3 THR A 180 OG1 65.4 103.1 REMARK 620 4 ASN A 182 OD1 136.3 136.2 72.4 REMARK 620 5 ASN A 182 O 92.3 155.1 79.2 68.5 REMARK 620 6 ILE A 185 O 90.1 89.1 144.5 120.3 76.5 REMARK 620 7 ASP A 187 OD1 127.0 59.9 129.3 88.6 136.9 85.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 251 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 163 NE2 REMARK 620 2 HEM B 251 NA 99.4 REMARK 620 3 HEM B 251 NB 86.3 91.4 REMARK 620 4 HEM B 251 NC 86.6 174.0 89.6 REMARK 620 5 HEM B 251 ND 94.5 89.1 179.0 89.9 REMARK 620 6 HOH B 266 O 169.7 81.7 83.5 92.5 95.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 252 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 164 OG1 REMARK 620 2 THR B 164 O 69.2 REMARK 620 3 THR B 180 OG1 101.7 64.0 REMARK 620 4 ASN B 182 OD1 139.1 129.9 69.0 REMARK 620 5 ASN B 182 ND2 132.0 158.7 106.9 38.0 REMARK 620 6 ASN B 182 O 152.7 87.4 79.1 67.1 71.6 REMARK 620 7 ILE B 185 O 88.5 88.7 144.0 123.0 90.1 76.7 REMARK 620 8 ASP B 187 OD1 58.2 127.3 127.9 95.0 73.8 141.5 86.9 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 251 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS C 163 NE2 REMARK 620 2 HEM C 251 NA 92.2 REMARK 620 3 HEM C 251 NB 91.5 91.0 REMARK 620 4 HEM C 251 NC 93.7 174.1 89.2 REMARK 620 5 HEM C 251 ND 91.1 89.0 177.4 90.5 REMARK 620 6 HOH C 309 O 162.1 76.6 75.0 97.8 102.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K C 252 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 164 OG1 REMARK 620 2 THR C 164 O 60.8 REMARK 620 3 THR C 180 OG1 102.9 69.0 REMARK 620 4 ASN C 182 O 156.3 101.6 83.0 REMARK 620 5 ASN C 182 OD1 137.8 147.0 79.0 65.7 REMARK 620 6 ILE C 185 O 78.4 92.7 156.9 87.4 115.8 REMARK 620 7 ASP C 187 OD1 50.9 111.6 126.2 141.6 93.4 72.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 251 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 163 NE2 REMARK 620 2 HEM D 251 NA 93.8 REMARK 620 3 HEM D 251 NB 81.3 88.7 REMARK 620 4 HEM D 251 NC 93.3 172.8 91.4 REMARK 620 5 HEM D 251 ND 99.5 90.0 178.6 89.8 REMARK 620 6 HOH D 822 O 164.3 71.6 92.4 101.2 86.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K D 252 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR D 164 OG1 REMARK 620 2 THR D 164 O 66.0 REMARK 620 3 THR D 180 OG1 99.0 59.8 REMARK 620 4 ASN D 182 ND2 130.5 163.0 108.6 REMARK 620 5 ASN D 182 OD1 129.7 129.4 69.8 39.9 REMARK 620 6 ASN D 182 O 156.0 91.3 74.2 72.9 70.4 REMARK 620 7 ILE D 185 O 88.7 96.2 147.7 88.9 127.4 86.1 REMARK 620 8 ASP D 187 OD1 58.1 124.1 128.5 72.6 90.1 143.5 82.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: K1 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COORDINATING CARBONYL OXYGEN AND SIDE-CHAIN REMARK 800 LIGANDS FOR POTASSIUM ION IN CHAIN A REMARK 800 REMARK 800 SITE_IDENTIFIER: K2 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COORDINATING CARBONYL OXYGEN AND SIDE-CHAIN REMARK 800 LIGANDS FOR POTASSIUM ION IN CHAIN B REMARK 800 REMARK 800 SITE_IDENTIFIER: K3 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COORDINATING CARBONYL OXYGEN AND SIDE-CHAIN REMARK 800 LIGANDS FOR POTASSIUM ION IN CHAIN C REMARK 800 REMARK 800 SITE_IDENTIFIER: K4 REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: COORDINATING CARBONYL OXYGEN AND SIDE-CHAIN REMARK 800 LIGANDS FOR POTASSIUM ION IN CHAIN D REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 252 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 252 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 252 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 252 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 251 DBREF 1APX A 2 250 UNP P48534 APX1_PEA 1 249 DBREF 1APX B 2 250 UNP P48534 APX1_PEA 1 249 DBREF 1APX C 2 250 UNP P48534 APX1_PEA 1 249 DBREF 1APX D 2 250 UNP P48534 APX1_PEA 1 249 SEQRES 1 A 249 GLY LYS SER TYR PRO THR VAL SER PRO ASP TYR GLN LYS SEQRES 2 A 249 ALA ILE GLU LYS ALA LYS ARG LYS LEU ARG GLY PHE ILE SEQRES 3 A 249 ALA GLU LYS LYS CYS ALA PRO LEU ILE LEU ARG LEU ALA SEQRES 4 A 249 TRP HIS SER ALA GLY THR PHE ASP SER LYS THR LYS THR SEQRES 5 A 249 GLY GLY PRO PHE GLY THR ILE LYS HIS GLN ALA GLU LEU SEQRES 6 A 249 ALA HIS GLY ALA ASN ASN GLY LEU ASP ILE ALA VAL ARG SEQRES 7 A 249 LEU LEU GLU PRO ILE LYS GLU GLN PHE PRO ILE VAL SER SEQRES 8 A 249 TYR ALA ASP PHE TYR GLN LEU ALA GLY VAL VAL ALA VAL SEQRES 9 A 249 GLU ILE THR GLY GLY PRO GLU VAL PRO PHE HIS PRO GLY SEQRES 10 A 249 ARG GLU ASP LYS PRO GLU PRO PRO PRO GLU GLY ARG LEU SEQRES 11 A 249 PRO ASP ALA THR LYS GLY SER ASP HIS LEU ARG ASP VAL SEQRES 12 A 249 PHE GLY LYS ALA MET GLY LEU SER ASP GLN ASP ILE VAL SEQRES 13 A 249 ALA LEU SER GLY GLY HIS THR ILE GLY ALA ALA HIS LYS SEQRES 14 A 249 GLU ARG SER GLY PHE GLU GLY PRO TRP THR SER ASN PRO SEQRES 15 A 249 LEU ILE PHE ASP ASN SER TYR PHE THR GLU LEU LEU THR SEQRES 16 A 249 GLY GLU LYS ASP GLY LEU LEU GLN LEU PRO SER ASP LYS SEQRES 17 A 249 ALA LEU LEU THR ASP SER VAL PHE ARG PRO LEU VAL GLU SEQRES 18 A 249 LYS TYR ALA ALA ASP GLU ASP VAL PHE PHE ALA ASP TYR SEQRES 19 A 249 ALA GLU ALA HIS LEU LYS LEU SER GLU LEU GLY PHE ALA SEQRES 20 A 249 GLU ALA SEQRES 1 B 249 GLY LYS SER TYR PRO THR VAL SER PRO ASP TYR GLN LYS SEQRES 2 B 249 ALA ILE GLU LYS ALA LYS ARG LYS LEU ARG GLY PHE ILE SEQRES 3 B 249 ALA GLU LYS LYS CYS ALA PRO LEU ILE LEU ARG LEU ALA SEQRES 4 B 249 TRP HIS SER ALA GLY THR PHE ASP SER LYS THR LYS THR SEQRES 5 B 249 GLY GLY PRO PHE GLY THR ILE LYS HIS GLN ALA GLU LEU SEQRES 6 B 249 ALA HIS GLY ALA ASN ASN GLY LEU ASP ILE ALA VAL ARG SEQRES 7 B 249 LEU LEU GLU PRO ILE LYS GLU GLN PHE PRO ILE VAL SER SEQRES 8 B 249 TYR ALA ASP PHE TYR GLN LEU ALA GLY VAL VAL ALA VAL SEQRES 9 B 249 GLU ILE THR GLY GLY PRO GLU VAL PRO PHE HIS PRO GLY SEQRES 10 B 249 ARG GLU ASP LYS PRO GLU PRO PRO PRO GLU GLY ARG LEU SEQRES 11 B 249 PRO ASP ALA THR LYS GLY SER ASP HIS LEU ARG ASP VAL SEQRES 12 B 249 PHE GLY LYS ALA MET GLY LEU SER ASP GLN ASP ILE VAL SEQRES 13 B 249 ALA LEU SER GLY GLY HIS THR ILE GLY ALA ALA HIS LYS SEQRES 14 B 249 GLU ARG SER GLY PHE GLU GLY PRO TRP THR SER ASN PRO SEQRES 15 B 249 LEU ILE PHE ASP ASN SER TYR PHE THR GLU LEU LEU THR SEQRES 16 B 249 GLY GLU LYS ASP GLY LEU LEU GLN LEU PRO SER ASP LYS SEQRES 17 B 249 ALA LEU LEU THR ASP SER VAL PHE ARG PRO LEU VAL GLU SEQRES 18 B 249 LYS TYR ALA ALA ASP GLU ASP VAL PHE PHE ALA ASP TYR SEQRES 19 B 249 ALA GLU ALA HIS LEU LYS LEU SER GLU LEU GLY PHE ALA SEQRES 20 B 249 GLU ALA SEQRES 1 C 249 GLY LYS SER TYR PRO THR VAL SER PRO ASP TYR GLN LYS SEQRES 2 C 249 ALA ILE GLU LYS ALA LYS ARG LYS LEU ARG GLY PHE ILE SEQRES 3 C 249 ALA GLU LYS LYS CYS ALA PRO LEU ILE LEU ARG LEU ALA SEQRES 4 C 249 TRP HIS SER ALA GLY THR PHE ASP SER LYS THR LYS THR SEQRES 5 C 249 GLY GLY PRO PHE GLY THR ILE LYS HIS GLN ALA GLU LEU SEQRES 6 C 249 ALA HIS GLY ALA ASN ASN GLY LEU ASP ILE ALA VAL ARG SEQRES 7 C 249 LEU LEU GLU PRO ILE LYS GLU GLN PHE PRO ILE VAL SER SEQRES 8 C 249 TYR ALA ASP PHE TYR GLN LEU ALA GLY VAL VAL ALA VAL SEQRES 9 C 249 GLU ILE THR GLY GLY PRO GLU VAL PRO PHE HIS PRO GLY SEQRES 10 C 249 ARG GLU ASP LYS PRO GLU PRO PRO PRO GLU GLY ARG LEU SEQRES 11 C 249 PRO ASP ALA THR LYS GLY SER ASP HIS LEU ARG ASP VAL SEQRES 12 C 249 PHE GLY LYS ALA MET GLY LEU SER ASP GLN ASP ILE VAL SEQRES 13 C 249 ALA LEU SER GLY GLY HIS THR ILE GLY ALA ALA HIS LYS SEQRES 14 C 249 GLU ARG SER GLY PHE GLU GLY PRO TRP THR SER ASN PRO SEQRES 15 C 249 LEU ILE PHE ASP ASN SER TYR PHE THR GLU LEU LEU THR SEQRES 16 C 249 GLY GLU LYS ASP GLY LEU LEU GLN LEU PRO SER ASP LYS SEQRES 17 C 249 ALA LEU LEU THR ASP SER VAL PHE ARG PRO LEU VAL GLU SEQRES 18 C 249 LYS TYR ALA ALA ASP GLU ASP VAL PHE PHE ALA ASP TYR SEQRES 19 C 249 ALA GLU ALA HIS LEU LYS LEU SER GLU LEU GLY PHE ALA SEQRES 20 C 249 GLU ALA SEQRES 1 D 249 GLY LYS SER TYR PRO THR VAL SER PRO ASP TYR GLN LYS SEQRES 2 D 249 ALA ILE GLU LYS ALA LYS ARG LYS LEU ARG GLY PHE ILE SEQRES 3 D 249 ALA GLU LYS LYS CYS ALA PRO LEU ILE LEU ARG LEU ALA SEQRES 4 D 249 TRP HIS SER ALA GLY THR PHE ASP SER LYS THR LYS THR SEQRES 5 D 249 GLY GLY PRO PHE GLY THR ILE LYS HIS GLN ALA GLU LEU SEQRES 6 D 249 ALA HIS GLY ALA ASN ASN GLY LEU ASP ILE ALA VAL ARG SEQRES 7 D 249 LEU LEU GLU PRO ILE LYS GLU GLN PHE PRO ILE VAL SER SEQRES 8 D 249 TYR ALA ASP PHE TYR GLN LEU ALA GLY VAL VAL ALA VAL SEQRES 9 D 249 GLU ILE THR GLY GLY PRO GLU VAL PRO PHE HIS PRO GLY SEQRES 10 D 249 ARG GLU ASP LYS PRO GLU PRO PRO PRO GLU GLY ARG LEU SEQRES 11 D 249 PRO ASP ALA THR LYS GLY SER ASP HIS LEU ARG ASP VAL SEQRES 12 D 249 PHE GLY LYS ALA MET GLY LEU SER ASP GLN ASP ILE VAL SEQRES 13 D 249 ALA LEU SER GLY GLY HIS THR ILE GLY ALA ALA HIS LYS SEQRES 14 D 249 GLU ARG SER GLY PHE GLU GLY PRO TRP THR SER ASN PRO SEQRES 15 D 249 LEU ILE PHE ASP ASN SER TYR PHE THR GLU LEU LEU THR SEQRES 16 D 249 GLY GLU LYS ASP GLY LEU LEU GLN LEU PRO SER ASP LYS SEQRES 17 D 249 ALA LEU LEU THR ASP SER VAL PHE ARG PRO LEU VAL GLU SEQRES 18 D 249 LYS TYR ALA ALA ASP GLU ASP VAL PHE PHE ALA ASP TYR SEQRES 19 D 249 ALA GLU ALA HIS LEU LYS LEU SER GLU LEU GLY PHE ALA SEQRES 20 D 249 GLU ALA HET K A 252 1 HET HEM A 251 43 HET K B 252 1 HET HEM B 251 43 HET K C 252 1 HET HEM C 251 43 HET K D 252 1 HET HEM D 251 43 HETNAM K POTASSIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 5 K 4(K 1+) FORMUL 6 HEM 4(C34 H32 FE N4 O4) FORMUL 13 HOH *645(H2 O) HELIX 1 A PRO A 10 LYS A 31 1INCLUDES 3/10 HELIX 22 HELIX 2 B1 ALA A 33 ALA A 44 1 12 HELIX 3 B2 GLN A 63 ALA A 67 1INCLUDES 3/10 HELIX 5 HELIX 4 C ASP A 75 GLN A 87 1INCLUDES 3/10 HELIX 13 HELIX 5 D TYR A 93 THR A 108 1INCLUDES 3/10 HELIX 16 HELIX 6 E HIS A 140 MET A 149 1 10 HELIX 7 F ASP A 153 SER A 160 1INCLUDES 3/10 HELIX 8 HELIX 8 F1 HIS A 169 GLY A 174 1 6 HELIX 9 G SER A 189 THR A 196 1 8 HELIX 10 H PRO A 206 LEU A 211 1 6 HELIX 11 I SER A 215 ALA A 226 1 12 HELIX 12 J GLU A 228 SER A 243 1 16 SHEET 1 A 2 ALA A 167 ALA A 168 0 SHEET 2 A 2 GLY A 177 PRO A 178 -1 O GLY A 177 N ALA A 168 SHEET 1 B 2 ALA B 167 ALA B 168 0 SHEET 2 B 2 GLY B 177 PRO B 178 -1 O GLY B 177 N ALA B 168 SHEET 1 C 2 ALA C 167 ALA C 168 0 SHEET 2 C 2 GLY C 177 PRO C 178 -1 O GLY C 177 N ALA C 168 SHEET 1 D 2 ALA D 167 ALA D 168 0 SHEET 2 D 2 GLY D 177 PRO D 178 -1 O GLY D 177 N ALA D 168 LINK NE2 HIS A 163 FE HEM A 251 1555 1555 2.16 LINK O THR A 164 K K A 252 1555 1555 2.54 LINK OG1 THR A 164 K K A 252 1555 1555 3.02 LINK OG1 THR A 180 K K A 252 1555 1555 2.93 LINK OD1 ASN A 182 K K A 252 1555 1555 2.75 LINK O ASN A 182 K K A 252 1555 1555 2.72 LINK O ILE A 185 K K A 252 1555 1555 2.62 LINK OD1 ASP A 187 K K A 252 1555 1555 3.12 LINK FE HEM A 251 O HOH A 322 1555 1555 2.74 LINK NE2 HIS B 163 FE HEM B 251 1555 1555 2.18 LINK OG1 THR B 164 K K B 252 1555 1555 2.69 LINK O THR B 164 K K B 252 1555 1555 2.51 LINK OG1 THR B 180 K K B 252 1555 1555 2.86 LINK OD1 ASN B 182 K K B 252 1555 1555 2.73 LINK ND2 ASN B 182 K K B 252 1555 1555 3.64 LINK O ASN B 182 K K B 252 1555 1555 2.77 LINK O ILE B 185 K K B 252 1555 1555 2.55 LINK OD1 ASP B 187 K K B 252 1555 1555 3.02 LINK FE HEM B 251 O HOH B 266 1555 1555 3.09 LINK NE2 HIS C 163 FE HEM C 251 1555 1555 2.20 LINK OG1 THR C 164 K K C 252 1555 1555 3.19 LINK O THR C 164 K K C 252 1555 1555 2.40 LINK OG1 THR C 180 K K C 252 1555 1555 2.85 LINK O ASN C 182 K K C 252 1555 1555 2.50 LINK OD1 ASN C 182 K K C 252 1555 1555 2.59 LINK O ILE C 185 K K C 252 1555 1555 2.53 LINK OD1 ASP C 187 K K C 252 1555 1555 3.24 LINK FE HEM C 251 O HOH C 309 1555 1555 3.12 LINK NE2 HIS D 163 FE HEM D 251 1555 1555 2.20 LINK OG1 THR D 164 K K D 252 1555 1555 2.99 LINK O THR D 164 K K D 252 1555 1555 2.59 LINK OG1 THR D 180 K K D 252 1555 1555 3.00 LINK ND2 ASN D 182 K K D 252 1555 1555 3.45 LINK OD1 ASN D 182 K K D 252 1555 1555 3.02 LINK O ASN D 182 K K D 252 1555 1555 2.68 LINK O ILE D 185 K K D 252 1555 1555 2.48 LINK OD1 ASP D 187 K K D 252 1555 1555 3.46 LINK FE HEM D 251 O HOH D 822 1555 1555 2.62 SITE 1 K1 6 K A 252 THR A 164 THR A 180 ASN A 182 SITE 2 K1 6 ILE A 185 ASP A 187 SITE 1 K2 6 K B 252 THR B 164 THR B 180 ASN B 182 SITE 2 K2 6 ILE B 185 ASP B 187 SITE 1 K3 6 K C 252 THR C 164 THR C 180 ASN C 182 SITE 2 K3 6 ILE C 185 ASP C 187 SITE 1 K4 6 K D 252 THR D 164 THR D 180 ASN D 182 SITE 2 K4 6 ILE D 185 ASP D 187 SITE 1 AC1 5 THR A 164 THR A 180 ASN A 182 ILE A 185 SITE 2 AC1 5 ASP A 187 SITE 1 AC2 5 THR B 164 THR B 180 ASN B 182 ILE B 185 SITE 2 AC2 5 ASP B 187 SITE 1 AC3 5 THR C 164 THR C 180 ASN C 182 ILE C 185 SITE 2 AC3 5 ASP C 187 SITE 1 AC4 5 THR D 164 THR D 180 ASN D 182 ILE D 185 SITE 2 AC4 5 ASP D 187 SITE 1 AC5 20 PRO A 34 TRP A 41 PRO A 132 ALA A 134 SITE 2 AC5 20 PHE A 145 LEU A 159 HIS A 163 ILE A 165 SITE 3 AC5 20 GLY A 166 ALA A 167 ALA A 168 HIS A 169 SITE 4 AC5 20 ARG A 172 SER A 173 TRP A 179 TYR A 235 SITE 5 AC5 20 HOH A 294 HOH A 295 HOH A 322 HOH A 716 SITE 1 AC6 21 PRO B 34 TRP B 41 PRO B 132 ALA B 134 SITE 2 AC6 21 LEU B 141 PHE B 145 LEU B 159 HIS B 163 SITE 3 AC6 21 ILE B 165 GLY B 166 ALA B 167 ALA B 168 SITE 4 AC6 21 HIS B 169 ARG B 172 SER B 173 TRP B 179 SITE 5 AC6 21 TYR B 235 HOH B 266 HOH B 280 HOH B 364 SITE 6 AC6 21 HOH B 855 SITE 1 AC7 17 PRO C 34 TRP C 41 PRO C 132 PHE C 145 SITE 2 AC7 17 LEU C 159 SER C 160 HIS C 163 ILE C 165 SITE 3 AC7 17 GLY C 166 ALA C 167 HIS C 169 ARG C 172 SITE 4 AC7 17 SER C 173 TRP C 179 TYR C 235 HOH C 268 SITE 5 AC7 17 HOH C 272 SITE 1 AC8 21 PRO D 34 TRP D 41 ALA D 134 PHE D 145 SITE 2 AC8 21 LEU D 159 SER D 160 GLY D 162 HIS D 163 SITE 3 AC8 21 ILE D 165 GLY D 166 ALA D 167 ALA D 168 SITE 4 AC8 21 HIS D 169 ARG D 172 SER D 173 TRP D 179 SITE 5 AC8 21 SER D 207 TYR D 235 HOH D 434 HOH D 435 SITE 6 AC8 21 HOH D 822 CRYST1 132.400 53.000 170.600 90.00 107.10 90.00 C 1 2 1 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 0.007553 0.000000 0.002324 0.00000 SCALE2 0.000000 0.018868 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006133 0.00000 MTRIX1 1 0.084667 -0.870860 0.484183 -10.46655 1 MTRIX2 1 -0.882381 -0.291255 -0.369558 -1.28575 1 MTRIX3 1 0.462855 -0.395945 -0.793091 22.32684 1 MTRIX1 2 0.718692 0.609492 -0.334665 19.48810 1 MTRIX2 2 -0.624032 0.777675 0.076196 24.82070 1 MTRIX3 2 0.306702 0.154081 0.939252 41.36917 1 MTRIX1 3 -0.634598 -0.681811 0.363894 4.00326 1 MTRIX2 3 -0.689757 0.287280 -0.664610 32.56880 1 MTRIX3 3 0.348599 -0.672758 -0.652591 58.65225 1