HEADER LIGAND BINDING PROTEIN 18-AUG-04 1X8Q TITLE 0.85 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS IN TITLE 2 COMPLEX WITH WATER AT PH 5.6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NITROPHORIN 4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NP4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODNIUS PROLIXUS; SOURCE 3 ORGANISM_TAXID: 13249; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS LIPOCALIN; BETA BARREL; FERRIC HEME, LIGAND BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.A.KONDRASHOV,S.A.ROBERTS,A.WEICHSEL,W.R.MONTFORT REVDAT 4 17-SEP-14 1X8Q 1 HETATM VERSN REVDAT 3 24-FEB-09 1X8Q 1 VERSN REVDAT 2 21-DEC-04 1X8Q 1 JRNL REVDAT 1 05-OCT-04 1X8Q 0 JRNL AUTH D.A.KONDRASHOV,S.A.ROBERTS,A.WEICHSEL,W.R.MONTFORT JRNL TITL PROTEIN FUNCTIONAL CYCLE VIEWED AT ATOMIC RESOLUTION: JRNL TITL 2 CONFORMATIONAL CHANGE AND MOBILITY IN NITROPHORIN 4 AS A JRNL TITL 3 FUNCTION OF PH AND NO BINDING JRNL REF BIOCHEMISTRY V. 43 13637 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15504026 JRNL DOI 10.1021/BI0483155 REMARK 2 REMARK 2 RESOLUTION. 0.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 81.2 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.105 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.104 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.130 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 5578 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 110585 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.098 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.097 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.122 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 4545 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 90838 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1428 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 360 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1802.79 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1394.20 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 103 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 18103 REMARK 3 NUMBER OF RESTRAINTS : 19193 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.037 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.462 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.086 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.116 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.115 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.006 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.066 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.126 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY 3.9%. HYDROGENS WERE ADDED IN CALCULATED REMARK 3 POSITIONS, FURTHER REDUCING FREE R BY 1%. REMARK 4 REMARK 4 1X8Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-04. REMARK 100 THE RCSB ID CODE IS RCSB030080. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-AUG-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.900 REMARK 200 MONOCHROMATOR : BENT GE(111) REMARK 200 OPTICS : BENT CONICAL SI-MIRROR (RH REMARK 200 COATING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR D*TREK (MSC/RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 113651 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.850 REMARK 200 RESOLUTION RANGE LOW (A) : 22.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.7 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : 0.04000 REMARK 200 FOR THE DATA SET : 19.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.23000 REMARK 200 R SYM FOR SHELL (I) : 0.23000 REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: 1D2U REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 24.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM CITRATE, PH 5.6, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 300.0K 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 35.16150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.24300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 35.16150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 21.24300 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER CONSISTING OF CHAIN A REMARK 300 AND THE HEME, AND CAN BE GENERATED BY THE IDENTITY OPERATION: X,Y,Z 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 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 308 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 539 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 390 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 498 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 177 CB SER A 177 OG 0.086 REMARK 500 SER A 180 CB SER A 180 OG -0.081 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 GLU A 32 CA - CB - CG ANGL. DEV. = 14.6 DEGREES REMARK 500 PRO A 33 C - N - CA ANGL. DEV. = 9.8 DEGREES REMARK 500 LYS A 38 CA - CB - CG ANGL. DEV. = -13.2 DEGREES REMARK 500 TYR A 40 CB - CG - CD1 ANGL. DEV. = 3.8 DEGREES REMARK 500 TYR A 40 CD1 - CE1 - CZ ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP A 70 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 TYR A 111 CB - CG - CD2 ANGL. DEV. = 4.5 DEGREES REMARK 500 TYR A 111 CG - CD1 - CE1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP A 129 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 142 CB - CG - OD1 ANGL. DEV. = 6.9 DEGREES REMARK 500 GLU A 168 OE1 - CD - OE2 ANGL. DEV. = -10.1 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 PHE A 18 59.86 -91.72 REMARK 500 GLU A 32 67.05 -111.14 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 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 59 NE2 REMARK 620 2 HEM A 201 NA 89.4 REMARK 620 3 HEM A 201 NA 91.6 90.9 REMARK 620 4 HEM A 201 NB 91.7 90.3 176.5 REMARK 620 5 HEM A 201 NB 91.4 179.0 89.6 89.1 REMARK 620 6 HEM A 201 NC 91.4 179.0 89.6 89.1 0.0 REMARK 620 7 HEM A 201 NC 91.7 90.3 176.5 0.0 89.1 89.1 REMARK 620 8 HEM A 201 ND 91.6 90.9 0.0 176.5 89.6 89.6 176.5 REMARK 620 9 HEM A 201 ND 89.4 0.0 90.9 90.3 179.0 179.0 90.3 90.9 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1D3S RELATED DB: PDB REMARK 900 NITROPHORIN 4 IN IDENTICAL CONDITIONS AT 1.4 A RESOLUTION REMARK 900 RELATED ID: 1X8N RELATED DB: PDB REMARK 900 RELATED ID: 1X8O RELATED DB: PDB REMARK 900 RELATED ID: 1X8P RELATED DB: PDB DBREF 1X8Q A 1 184 UNP Q94734 NP4_RHOPR 22 205 SEQRES 1 A 184 ALA CYS THR LYS ASN ALA ILE ALA GLN THR GLY PHE ASN SEQRES 2 A 184 LYS ASP LYS TYR PHE ASN GLY ASP VAL TRP TYR VAL THR SEQRES 3 A 184 ASP TYR LEU ASP LEU GLU PRO ASP ASP VAL PRO LYS ARG SEQRES 4 A 184 TYR CYS ALA ALA LEU ALA ALA GLY THR ALA SER GLY LYS SEQRES 5 A 184 LEU LYS GLU ALA LEU TYR HIS TYR ASP PRO LYS THR GLN SEQRES 6 A 184 ASP THR PHE TYR ASP VAL SER GLU LEU GLN VAL GLU SER SEQRES 7 A 184 LEU GLY LYS TYR THR ALA ASN PHE LYS LYS VAL ASP LYS SEQRES 8 A 184 ASN GLY ASN VAL LYS VAL ALA VAL THR ALA GLY ASN TYR SEQRES 9 A 184 TYR THR PHE THR VAL MET TYR ALA ASP ASP SER SER ALA SEQRES 10 A 184 LEU ILE HIS THR CYS LEU HIS LYS GLY ASN LYS ASP LEU SEQRES 11 A 184 GLY ASP LEU TYR ALA VAL LEU ASN ARG ASN LYS ASP ALA SEQRES 12 A 184 ALA ALA GLY ASP LYS VAL LYS SER ALA VAL SER ALA ALA SEQRES 13 A 184 THR LEU GLU PHE SER LYS PHE ILE SER THR LYS GLU ASN SEQRES 14 A 184 ASN CYS ALA TYR ASP ASN ASP SER LEU LYS SER LEU LEU SEQRES 15 A 184 THR LYS HET HEM A 201 83 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *360(H2 O) HELIX 1 1 ASN A 13 PHE A 18 1 6 HELIX 2 2 GLU A 32 VAL A 36 5 5 HELIX 3 3 GLY A 146 ALA A 156 1 11 HELIX 4 4 GLU A 159 PHE A 163 5 5 HELIX 5 5 ASP A 174 LEU A 182 1 9 SHEET 1 A 7 VAL A 95 VAL A 97 0 SHEET 2 A 7 LYS A 81 VAL A 89 -1 N LYS A 88 O LYS A 96 SHEET 3 A 7 THR A 67 SER A 78 -1 N GLU A 77 O LYS A 81 SHEET 4 A 7 LYS A 52 TYR A 60 -1 N LEU A 57 O ASP A 70 SHEET 5 A 7 CYS A 41 ALA A 49 -1 N GLY A 47 O LYS A 54 SHEET 6 A 7 ASN A 19 ASP A 30 -1 N TRP A 23 O LEU A 44 SHEET 7 A 7 ILE A 164 SER A 165 -1 O ILE A 164 N TYR A 28 SHEET 1 B 7 VAL A 95 VAL A 97 0 SHEET 2 B 7 LYS A 81 VAL A 89 -1 N LYS A 88 O LYS A 96 SHEET 3 B 7 TYR A 104 ALA A 112 -1 O TYR A 105 N ALA A 84 SHEET 4 B 7 SER A 116 HIS A 124 -1 O HIS A 120 N THR A 108 SHEET 5 B 7 ASP A 132 ASN A 138 -1 O LEU A 137 N ALA A 117 SHEET 6 B 7 ASN A 19 ASP A 30 -1 N LEU A 29 O TYR A 134 SHEET 7 B 7 ILE A 164 SER A 165 -1 O ILE A 164 N TYR A 28 SSBOND 1 CYS A 2 CYS A 122 1555 1555 2.04 SSBOND 2 CYS A 41 CYS A 171 1555 1555 2.01 LINK NE2 HIS A 59 FE HEM A 201 1555 1555 1.94 LINK FE HEM A 201 O HOH A 301 1555 1555 2.06 SITE 1 AC1 21 VAL A 25 TYR A 28 VAL A 36 TYR A 40 SITE 2 AC1 21 GLU A 55 LEU A 57 HIS A 59 PHE A 68 SITE 3 AC1 21 ASP A 70 PHE A 86 LYS A 88 TYR A 105 SITE 4 AC1 21 PHE A 107 LEU A 123 LYS A 125 LYS A 128 SITE 5 AC1 21 LEU A 130 LEU A 133 HOH A 301 HOH A 315 SITE 6 AC1 21 HOH A 501 CRYST1 70.323 42.486 53.018 90.00 94.45 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 0.014220 0.000000 0.001107 0.00000 SCALE2 0.000000 0.023537 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018919 0.00000 MASTER 289 0 1 5 14 0 6 6 0 0 0 15 END