HEADER METAL TRANSPORT 02-AUG-25 9W5Z TITLE STRUCTURE OF HEME TRANSPORT PROTEIN SHR-LINKER-NEAT1 FROM TITLE 2 STREPTOCOCCUS PYOGENES IN COMPLEX WITH HEME. COMPND MOL_ID: 1; COMPND 2 MOLECULE: STREPTOCOCCAL HEMOPROTEIN RECEPTOR; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HEME-ACQUISITION PROTEIN SHR,HEME-BINDING PROTEIN SHR, COMPND 5 HEMOPROTEIN BINDING RECEPTOR; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PYOGENES; SOURCE 3 ORGANISM_TAXID: 1314; SOURCE 4 GENE: SHR, SPY_1798; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS HEME BINDING SHR STREPTOCOCCUS PYOGENES IRON ACQUISITION KEYWDS 2 ANTIMICROBIAL STRATEGY HEME TRANSFER, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR A.SENOO,J.M.M.CAAVEIRO REVDAT 1 10-JUN-26 9W5Z 0 JRNL AUTH K.SEKI,A.SENOO,S.NAGATOISHI,S.YANAKA,M.NAKAKIDO,K.TSUMOTO, JRNL AUTH 2 J.M.M.CAAVEIRO JRNL TITL STRUCTURAL BASIS FOR HEME BINDING BY THE SHR PROTEIN FROM JRNL TITL 2 STREPTOCOCCUS PYOGENES. JRNL REF J.BIOL.CHEM. V. 302 11012 2026 JRNL REFN ESSN 1083-351X JRNL PMID 41354341 JRNL DOI 10.1016/J.JBC.2025.111012 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0430 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.32 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 16477 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) : 0.218 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.264 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 861 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) : 2.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.41 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1207 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.98 REMARK 3 BIN R VALUE (WORKING SET) : 0.2680 REMARK 3 BIN FREE R VALUE SET COUNT : 57 REMARK 3 BIN FREE R VALUE : 0.3450 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3184 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 100 REMARK 3 SOLVENT ATOMS : 71 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.06 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 32.99000 REMARK 3 B22 (A**2) : -10.30000 REMARK 3 B33 (A**2) : -22.69000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -6.60000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.115 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.060 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.190 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.816 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.934 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.898 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3339 ; 0.005 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 3232 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4513 ; 1.298 ; 1.897 REMARK 3 BOND ANGLES OTHERS (DEGREES): 7489 ; 0.435 ; 1.798 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 411 ; 6.151 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 28 ; 7.433 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 650 ;13.563 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 508 ; 0.053 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3807 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 657 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 1638 ; 2.364 ; 3.724 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1638 ; 2.364 ; 3.724 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2045 ; 3.679 ; 6.684 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 2046 ; 3.679 ; 6.685 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1701 ; 2.727 ; 4.035 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1702 ; 2.726 ; 4.035 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2467 ; 4.532 ; 7.299 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3634 ; 6.210 ;38.630 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 3631 ; 6.212 ;38.640 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9W5Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-AUG-25. REMARK 100 THE DEPOSITION ID IS D_1300062295. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-25 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-5A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 20241002 REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.8.2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17354 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 42.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.13700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 7.20 REMARK 200 R MERGE FOR SHELL (I) : 0.69700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.3 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM NACL 100 MM BIS-TRIS 25% PEG REMARK 280 3350, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 56.62300 REMARK 290 SMTRY3 2 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 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 SER A 294 REMARK 465 THR A 295 REMARK 465 LYS A 296 REMARK 465 LEU A 297 REMARK 465 GLY A 502 REMARK 465 SER B 294 REMARK 465 THR B 295 REMARK 465 LYS B 296 REMARK 465 GLY B 502 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 SER A 335 18.93 -155.54 REMARK 500 ILE A 451 -76.60 -89.45 REMARK 500 ASN A 483 17.21 85.95 REMARK 500 HIS A 484 77.06 -109.38 REMARK 500 SER B 335 18.62 -151.70 REMARK 500 ILE B 451 -77.71 -91.33 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 ARG A 350 0.10 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 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 475 SD REMARK 620 2 HEM A 601 NA 90.0 REMARK 620 3 HEM A 601 NB 93.0 87.4 REMARK 620 4 HEM A 601 NC 85.0 174.4 90.5 REMARK 620 5 HEM A 601 ND 79.8 92.8 172.8 88.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 601 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET B 475 SD REMARK 620 2 HEM B 601 NA 86.0 REMARK 620 3 HEM B 601 NB 91.3 85.8 REMARK 620 4 HEM B 601 NC 91.9 177.7 93.4 REMARK 620 5 HEM B 601 ND 85.3 92.7 176.4 88.0 REMARK 620 N 1 2 3 4 DBREF 9W5Z A 294 502 UNP Q99YA0 SHR_STRP1 294 502 DBREF 9W5Z B 294 502 UNP Q99YA0 SHR_STRP1 294 502 SEQRES 1 A 209 SER THR LYS LEU ASP VAL THR THR LEU GLU LYS ALA ILE SEQRES 2 A 209 LYS GLU ALA ASP ALA ILE ILE ALA LYS GLU SER ASN LYS SEQRES 3 A 209 ASP ALA VAL LYS ASP LEU ALA GLU LYS LEU GLN VAL ILE SEQRES 4 A 209 LYS ASP SER TYR LYS GLU ILE LYS ASP SER LYS LEU LEU SEQRES 5 A 209 ALA ASP THR HIS ARG LEU LEU LYS ASP THR ILE GLU SER SEQRES 6 A 209 TYR GLN ALA GLY GLU VAL SER ILE ASN ASN LEU THR GLU SEQRES 7 A 209 GLY THR TYR THR LEU ASN PHE LYS ALA ASN LYS GLU ASN SEQRES 8 A 209 SER GLU GLU SER SER MET LEU GLN GLY ALA PHE ASP LYS SEQRES 9 A 209 ARG ALA LYS LEU VAL VAL LYS ALA ASP GLY THR MET GLU SEQRES 10 A 209 ILE SER MET LEU ASN THR ALA LEU GLY GLN PHE LEU ILE SEQRES 11 A 209 ASP PHE SER ILE GLU SER LYS GLY THR TYR PRO ALA ALA SEQRES 12 A 209 VAL ARG LYS GLN VAL GLY GLN LYS ASP ILE ASN GLY SER SEQRES 13 A 209 TYR ILE ARG SER GLU PHE THR MET PRO ILE ASP ASP LEU SEQRES 14 A 209 ASP LYS LEU HIS LYS GLY ALA VAL LEU VAL SER ALA MET SEQRES 15 A 209 GLY GLY GLN GLU SER ASP LEU ASN HIS TYR ASP LYS TYR SEQRES 16 A 209 THR LYS LEU ASP MET THR PHE SER LYS THR VAL THR LYS SEQRES 17 A 209 GLY SEQRES 1 B 209 SER THR LYS LEU ASP VAL THR THR LEU GLU LYS ALA ILE SEQRES 2 B 209 LYS GLU ALA ASP ALA ILE ILE ALA LYS GLU SER ASN LYS SEQRES 3 B 209 ASP ALA VAL LYS ASP LEU ALA GLU LYS LEU GLN VAL ILE SEQRES 4 B 209 LYS ASP SER TYR LYS GLU ILE LYS ASP SER LYS LEU LEU SEQRES 5 B 209 ALA ASP THR HIS ARG LEU LEU LYS ASP THR ILE GLU SER SEQRES 6 B 209 TYR GLN ALA GLY GLU VAL SER ILE ASN ASN LEU THR GLU SEQRES 7 B 209 GLY THR TYR THR LEU ASN PHE LYS ALA ASN LYS GLU ASN SEQRES 8 B 209 SER GLU GLU SER SER MET LEU GLN GLY ALA PHE ASP LYS SEQRES 9 B 209 ARG ALA LYS LEU VAL VAL LYS ALA ASP GLY THR MET GLU SEQRES 10 B 209 ILE SER MET LEU ASN THR ALA LEU GLY GLN PHE LEU ILE SEQRES 11 B 209 ASP PHE SER ILE GLU SER LYS GLY THR TYR PRO ALA ALA SEQRES 12 B 209 VAL ARG LYS GLN VAL GLY GLN LYS ASP ILE ASN GLY SER SEQRES 13 B 209 TYR ILE ARG SER GLU PHE THR MET PRO ILE ASP ASP LEU SEQRES 14 B 209 ASP LYS LEU HIS LYS GLY ALA VAL LEU VAL SER ALA MET SEQRES 15 B 209 GLY GLY GLN GLU SER ASP LEU ASN HIS TYR ASP LYS TYR SEQRES 16 B 209 THR LYS LEU ASP MET THR PHE SER LYS THR VAL THR LYS SEQRES 17 B 209 GLY HET HEM A 601 43 HET HEM B 601 43 HET BTB B 602 14 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETSYN HEM HEME HETSYN BTB BIS-TRIS BUFFER FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 5 BTB C8 H19 N O5 FORMUL 6 HOH *71(H2 O) HELIX 1 AA1 ASP A 298 GLU A 316 1 19 HELIX 2 AA2 ASN A 318 ALA A 321 5 4 HELIX 3 AA3 VAL A 322 TYR A 336 1 15 HELIX 4 AA4 LYS A 337 ILE A 339 5 3 HELIX 5 AA5 ASP A 341 ALA A 361 1 21 HELIX 6 AA6 ASN A 367 LEU A 369 5 3 HELIX 7 AA7 SER A 389 PHE A 395 5 7 HELIX 8 AA8 LEU A 418 GLN A 420 5 3 HELIX 9 AA9 ALA A 474 GLY A 476 5 3 HELIX 10 AB1 GLN A 478 LEU A 482 5 5 HELIX 11 AB2 HIS A 484 TYR A 488 5 5 HELIX 12 AB3 VAL B 299 GLU B 316 1 18 HELIX 13 AB4 ASN B 318 ALA B 321 5 4 HELIX 14 AB5 VAL B 322 TYR B 336 1 15 HELIX 15 AB6 LYS B 337 ILE B 339 5 3 HELIX 16 AB7 ASP B 341 ALA B 361 1 21 HELIX 17 AB8 SER B 389 PHE B 395 5 7 HELIX 18 AB9 LEU B 418 GLN B 420 5 3 HELIX 19 AC1 ALA B 474 GLY B 476 5 3 HELIX 20 AC2 GLN B 478 LEU B 482 5 5 HELIX 21 AC3 HIS B 484 TYR B 488 5 5 SHEET 1 AA1 2 VAL A 364 SER A 365 0 SHEET 2 AA1 2 THR A 498 VAL A 499 -1 O VAL A 499 N VAL A 364 SHEET 1 AA2 8 LEU A 422 ILE A 427 0 SHEET 2 AA2 8 HIS A 466 VAL A 472 -1 O LEU A 471 N ASP A 424 SHEET 3 AA2 8 THR A 489 PHE A 495 -1 O THR A 489 N VAL A 470 SHEET 4 AA2 8 GLY A 372 ASN A 381 -1 N LYS A 379 O THR A 494 SHEET 5 AA2 8 ARG A 398 VAL A 403 -1 O LEU A 401 N TYR A 374 SHEET 6 AA2 8 MET A 409 ASN A 415 -1 O GLU A 410 N VAL A 402 SHEET 7 AA2 8 TYR A 450 ILE A 459 -1 O SER A 453 N ASN A 415 SHEET 8 AA2 8 VAL A 437 LYS A 444 -1 N VAL A 437 O THR A 456 SHEET 1 AA3 2 VAL B 364 SER B 365 0 SHEET 2 AA3 2 THR B 498 VAL B 499 -1 O VAL B 499 N VAL B 364 SHEET 1 AA4 8 LEU B 422 ILE B 427 0 SHEET 2 AA4 8 HIS B 466 VAL B 472 -1 O LEU B 471 N ILE B 423 SHEET 3 AA4 8 THR B 489 PHE B 495 -1 O MET B 493 N HIS B 466 SHEET 4 AA4 8 GLY B 372 ASN B 381 -1 N ASN B 381 O ASP B 492 SHEET 5 AA4 8 ARG B 398 VAL B 403 -1 O LEU B 401 N TYR B 374 SHEET 6 AA4 8 MET B 409 ASN B 415 -1 O GLU B 410 N VAL B 402 SHEET 7 AA4 8 TYR B 450 ILE B 459 -1 O SER B 453 N ASN B 415 SHEET 8 AA4 8 VAL B 437 LYS B 444 -1 N VAL B 437 O THR B 456 LINK SD MET A 475 FE HEM A 601 1555 1555 2.57 LINK SD MET B 475 FE HEM B 601 1555 1555 2.49 CRYST1 42.585 113.246 44.281 90.00 96.44 90.00 P 1 21 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 0.023482 0.000000 0.002649 0.00000 SCALE2 0.000000 0.008830 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022726 0.00000 CONECT 1380 3235 CONECT 2980 3278 CONECT 3193 3197 3224 CONECT 3194 3200 3207 CONECT 3195 3210 3214 CONECT 3196 3217 3221 CONECT 3197 3193 3198 3231 CONECT 3198 3197 3199 3202 CONECT 3199 3198 3200 3201 CONECT 3200 3194 3199 3231 CONECT 3201 3199 CONECT 3202 3198 3203 CONECT 3203 3202 3204 CONECT 3204 3203 3205 3206 CONECT 3205 3204 CONECT 3206 3204 CONECT 3207 3194 3208 3232 CONECT 3208 3207 3209 3211 CONECT 3209 3208 3210 3212 CONECT 3210 3195 3209 3232 CONECT 3211 3208 CONECT 3212 3209 3213 CONECT 3213 3212 CONECT 3214 3195 3215 3233 CONECT 3215 3214 3216 3218 CONECT 3216 3215 3217 3219 CONECT 3217 3196 3216 3233 CONECT 3218 3215 CONECT 3219 3216 3220 CONECT 3220 3219 CONECT 3221 3196 3222 3234 CONECT 3222 3221 3223 3225 CONECT 3223 3222 3224 3226 CONECT 3224 3193 3223 3234 CONECT 3225 3222 CONECT 3226 3223 3227 CONECT 3227 3226 3228 CONECT 3228 3227 3229 3230 CONECT 3229 3228 CONECT 3230 3228 CONECT 3231 3197 3200 3235 CONECT 3232 3207 3210 3235 CONECT 3233 3214 3217 3235 CONECT 3234 3221 3224 3235 CONECT 3235 1380 3231 3232 3233 CONECT 3235 3234 CONECT 3236 3240 3267 CONECT 3237 3243 3250 CONECT 3238 3253 3257 CONECT 3239 3260 3264 CONECT 3240 3236 3241 3274 CONECT 3241 3240 3242 3245 CONECT 3242 3241 3243 3244 CONECT 3243 3237 3242 3274 CONECT 3244 3242 CONECT 3245 3241 3246 CONECT 3246 3245 3247 CONECT 3247 3246 3248 3249 CONECT 3248 3247 CONECT 3249 3247 CONECT 3250 3237 3251 3275 CONECT 3251 3250 3252 3254 CONECT 3252 3251 3253 3255 CONECT 3253 3238 3252 3275 CONECT 3254 3251 CONECT 3255 3252 3256 CONECT 3256 3255 CONECT 3257 3238 3258 3276 CONECT 3258 3257 3259 3261 CONECT 3259 3258 3260 3262 CONECT 3260 3239 3259 3276 CONECT 3261 3258 CONECT 3262 3259 3263 CONECT 3263 3262 CONECT 3264 3239 3265 3277 CONECT 3265 3264 3266 3268 CONECT 3266 3265 3267 3269 CONECT 3267 3236 3266 3277 CONECT 3268 3265 CONECT 3269 3266 3270 CONECT 3270 3269 3271 CONECT 3271 3270 3272 3273 CONECT 3272 3271 CONECT 3273 3271 CONECT 3274 3240 3243 3278 CONECT 3275 3250 3253 3278 CONECT 3276 3257 3260 3278 CONECT 3277 3264 3267 3278 CONECT 3278 2980 3274 3275 3276 CONECT 3278 3277 CONECT 3279 3280 3281 CONECT 3280 3279 CONECT 3281 3279 3282 3284 3286 CONECT 3282 3281 3283 CONECT 3283 3282 CONECT 3284 3281 3285 CONECT 3285 3284 CONECT 3286 3281 3287 3290 CONECT 3287 3286 3288 CONECT 3288 3287 3289 CONECT 3289 3288 CONECT 3290 3286 3291 CONECT 3291 3290 3292 CONECT 3292 3291 MASTER 322 0 3 21 20 0 0 6 3355 2 104 34 END