HEADER HEME BINDING PROTEIN 31-JUL-07 2Z6F TITLE CRYSTAL STRUCTURE OF NEAT DOMAIN FROM STAPHYLOCOCCUS AUREUS TITLE 2 IN COMPLEX WITH HEME COMPND MOL_ID: 1; COMPND 2 MOLECULE: IRON-REGULATED SURFACE DETERMINANT PROTEIN H; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NEAT 3 DOMAIN, RESIDUE 539-664; COMPND 5 SYNONYM: HAPTOGLOBIN RECEPTOR A, STAPHYLOCOCCUS AUREUS COMPND 6 SURFACE PROTEIN I; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 158878; SOURCE 4 STRAIN: MU50; SOURCE 5 GENE: ISDH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PDBHT3 KEYWDS IGG-LIKE FOLD, CELL WALL, PEPTIDOGLYCAN-ANCHOR, SECRETED, KEYWDS 2 HEME BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.TANAKA,A.SUENAGA,K.TSUMOTO REVDAT 2 09-DEC-08 2Z6F 1 JRNL VERSN REVDAT 1 29-JUL-08 2Z6F 0 JRNL AUTH M.WATANABE,Y.TANAKA,A.SUENAGA,M.KURODA,M.YAO, JRNL AUTH 2 N.WATANABE,F.ARISAKA,T.OHTA,I.TANAKA,K.TSUMOTO JRNL TITL STRUCTURAL BASIS FOR MULTIMERIC HEME COMPLEXATION JRNL TITL 2 THROUGH A SPECIFIC PROTEIN-HEME INTERACTION: THE JRNL TITL 3 CASE OF THE THIRD NEAT DOMAIN OF ISDH FROM JRNL TITL 4 STAPHYLOCOCCUS AUREUS JRNL REF J.BIOL.CHEM. V. 283 28649 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18667422 JRNL DOI 10.1074/JBC.M803383200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.62 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 10756 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1168 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 682 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 87 REMARK 3 BIN FREE R VALUE : 0.3030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 908 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 88 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.151 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.148 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.089 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.959 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.920 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 978 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1342 ; 1.750 ; 2.077 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 111 ; 6.482 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 46 ;37.959 ;25.217 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 160 ;15.924 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ;26.220 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 142 ; 0.114 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 746 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 409 ; 0.209 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 658 ; 0.308 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 88 ; 0.186 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 31 ; 0.204 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.121 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 572 ; 1.198 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 915 ; 1.694 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 465 ; 2.847 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 425 ; 4.530 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 2Z6F COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-AUG-07. REMARK 100 THE RCSB ID CODE IS RCSB027579. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-MAR-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 10.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : NULL 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 : 11976 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06900 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28500 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 2E7D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM CAPS, 20% POLYETHYLENE GLYCOL REMARK 280 8000, 200MM NACL, PH 10.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 24.60850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.84300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.60850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.84300 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 MOLECULE FOR THE PROTEIN IS UNKNOWN. REMARK 300 ALTHOUGH THE ASYMMETRICALLY RELATED TWO MOLECULES SEEMS TO BE A REMARK 300 STABLE DIMER, THE STRUCTURE IS ONE OF THE DOMAIN AMONG THREE. 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: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL 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 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLY A 534 REMARK 465 SER A 535 REMARK 465 ALA A 536 REMARK 465 MET A 537 REMARK 465 ALA A 538 REMARK 465 PRO A 539 REMARK 465 THR A 540 REMARK 465 ASN A 541 REMARK 465 ASP A 542 REMARK 465 GLN A 543 REMARK 465 ASN A 656 REMARK 465 THR A 657 REMARK 465 LYS A 658 REMARK 465 ASP A 659 REMARK 465 ASP A 660 REMARK 465 ASP A 661 REMARK 465 THR A 662 REMARK 465 SER A 663 REMARK 465 GLN A 664 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 OD2 ASP A 596 O HOH A 52 1.85 REMARK 500 OE1 GLU A 562 O HOH A 51 2.19 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 A 614 56.37 38.27 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A3747 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2E7D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PROTEIN IN APO FORM REMARK 900 RELATED ID: 2ITE RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PROTEIN WHICH HAS A SIMILAR MOTIF REMARK 900 RELATED ID: 2ITF RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PROTEIN WHICH HAS A SIMILAR MOTIF REMARK 900 RELATED ID: 2O1A RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PROTEIN WHICH HAS A SIMILAR MOTIF REMARK 900 RELATED ID: 2H3K RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF THE PROTEIN WHICH HAS A SIMILAR MOTIF REMARK 900 RELATED ID: 2O6P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE PROTEIN WHICH HAS A SIMILAR MOTIF DBREF 2Z6F A 539 664 UNP Q931P4 ISDH_STAAM 539 664 SEQADV 2Z6F GLY A 534 UNP Q931P4 EXPRESSION TAG SEQADV 2Z6F SER A 535 UNP Q931P4 EXPRESSION TAG SEQADV 2Z6F ALA A 536 UNP Q931P4 EXPRESSION TAG SEQADV 2Z6F MET A 537 UNP Q931P4 EXPRESSION TAG SEQADV 2Z6F ALA A 538 UNP Q931P4 EXPRESSION TAG SEQRES 1 A 131 GLY SER ALA MET ALA PRO THR ASN ASP GLN LEU THR ASP SEQRES 2 A 131 LEU GLN GLU ALA HIS PHE VAL VAL PHE GLU SER GLU GLU SEQRES 3 A 131 ASN SER GLU SER VAL MET ASP GLY PHE VAL GLU HIS PRO SEQRES 4 A 131 PHE TYR THR ALA THR LEU ASN GLY GLN LYS TYR VAL VAL SEQRES 5 A 131 MET LYS THR LYS ASP ASP SER TYR TRP LYS ASP LEU ILE SEQRES 6 A 131 VAL GLU GLY LYS ARG VAL THR THR VAL SER LYS ASP PRO SEQRES 7 A 131 LYS ASN ASN SER ARG THR LEU ILE PHE PRO TYR ILE PRO SEQRES 8 A 131 ASP LYS ALA VAL TYR ASN ALA ILE VAL LYS VAL VAL VAL SEQRES 9 A 131 ALA ASN ILE GLY TYR GLU GLY GLN TYR HIS VAL ARG ILE SEQRES 10 A 131 ILE ASN GLN ASP ILE ASN THR LYS ASP ASP ASP THR SER SEQRES 11 A 131 GLN HET HEM A3747 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *88(H2 O) HELIX 1 1 SER A 563 PHE A 568 1 6 HELIX 2 2 ASP A 590 SER A 592 5 3 HELIX 3 3 PRO A 611 ASN A 614 5 4 HELIX 4 4 ALA A 638 GLY A 641 5 4 SHEET 1 A 5 THR A 545 ALA A 550 0 SHEET 2 A 5 PHE A 573 LEU A 578 -1 O THR A 577 N THR A 545 SHEET 3 A 5 GLN A 581 LYS A 587 -1 O VAL A 585 N TYR A 574 SHEET 4 A 5 SER A 615 PRO A 621 -1 O PHE A 620 N VAL A 584 SHEET 5 A 5 THR A 605 ASP A 610 -1 N ASP A 610 O SER A 615 SHEET 1 B 5 PHE A 552 GLU A 556 0 SHEET 2 B 5 TYR A 642 ASN A 652 -1 O ARG A 649 N PHE A 555 SHEET 3 B 5 VAL A 628 VAL A 637 -1 N TYR A 629 O ILE A 650 SHEET 4 B 5 TRP A 594 VAL A 599 -1 N LYS A 595 O LYS A 634 SHEET 5 B 5 LYS A 602 ARG A 603 -1 O LYS A 602 N VAL A 599 LINK OH TYR A 642 FE HEM A3747 1555 1555 2.21 CISPEP 1 HIS A 571 PRO A 572 0 -0.41 SITE 1 AC1 12 HOH A 2 HOH A 33 HOH A 76 SER A 563 SITE 2 AC1 12 VAL A 564 PHE A 568 TRP A 594 VAL A 635 SITE 3 AC1 12 ILE A 640 TYR A 642 TYR A 646 VAL A 648 CRYST1 49.217 75.686 39.274 90.00 90.00 90.00 P 21 21 2 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 0.020318 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013212 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025462 0.00000 MASTER 314 0 1 4 10 0 3 6 0 0 0 11 END