4EIE - Header Asymmetric Unit

HEADER ELECTRON TRANSPORT 05-APR-12 4EIE

TITLE CRYSTAL STRUCTURE OF CYTOCHROME C6C FROM SYNECHOCOCCUS SP. PCC 7002

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 29-115; COMPND 5 SYNONYM: PUTATIVE CYTOCHROME C6-2; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNECHOCOCCUS SP.; SOURCE 3 ORGANISM_TAXID: 32049; SOURCE 4 STRAIN: ATCC 27264 / PCC 7002 / PR-6; SOURCE 5 GENE: PETJ, PETJ2, SYNPCC7002_A2391; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 668369; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DH5A; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PUCPF2; SOURCE 11 OTHER_DETAILS: CO-EXPRESSION WITH PEC86

KEYWDS CYTOCHROME C6C, ELECTRON TRANSPORT

EXPDTA X-RAY DIFFRACTION

AUTHOR S.KRZYWDA,W.BIALEK,P.ZATWARNICKI,M.JASKOLSKI,A.SZCZEPANIAK

REVDAT 1 10-APR-13 4EIE 0

JRNL AUTH W.BIALEK,S.KRZYWDA,P.ZATWARNICKI,M.JASKOLSKI,A.SZCZEPANIAK JRNL TITL CYTOCHROME C6 AND C6C FROM SYNECHOCOCCUS SP. PCC 7002 - JRNL TITL 2 STRUCTURE AND FUNCTION. JRNL REF TO BE PUBLISHED JRNL REFN

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.BIALEK,M.NELSON,K.TAMIOLA,T.KALLAS,A.SZCZEPANIAK REMARK 1 TITL DEEPLY BRANCHING C6-LIKE CYTOCHROMES OF CYANOBACTERIA. REMARK 1 REF BIOCHEMISTRY V. 47 5515 2008 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 18439023 REMARK 1 DOI 10.1021/BI701973G

REMARK 2 REMARK 2 RESOLUTION. 1.03 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 1.03 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 38488 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) : 0.137 REMARK 3 R VALUE (WORKING SET) : 0.136 REMARK 3 FREE R VALUE : 0.163 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.600 REMARK 3 FREE R VALUE TEST SET COUNT : 1017 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) : 1.03 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.06 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2813 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.00 REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE SET COUNT : 73 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 621 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 51 REMARK 3 SOLVENT ATOMS : 126 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.11 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.07000 REMARK 3 B22 (A**2) : -0.07000 REMARK 3 B33 (A**2) : 0.15000 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): 0.023 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.025 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.014 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.602 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.974 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.956 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 709 ; 0.021 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 458 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 966 ; 1.898 ; 2.104 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1118 ; 1.223 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 82 ; 5.711 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 34 ;34.742 ;25.882 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 119 ;10.648 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ; 8.953 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 98 ; 0.139 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 786 ; 0.014 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 125 ; 0.002 ; 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): 410 ; 1.816 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 172 ; 0.617 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 655 ; 2.567 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 299 ; 3.146 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 310 ; 4.395 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1167 ; 1.373 ; 3.000 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 4EIE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-APR-12. REMARK 100 THE RCSB ID CODE IS RCSB071656.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JUL-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8149 REMARK 200 MONOCHROMATOR : GE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR555 FLAT PANEL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39532 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.030 REMARK 200 RESOLUTION RANGE LOW (A) : 21.040 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 23.400 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.03 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 13.50 REMARK 200 R MERGE FOR SHELL (I) : 0.83200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: AUTO-RICKSHAW REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION: 15 MG/ML CYTOCHROME REMARK 280 C6C IN 0.1 M TRIS PH 7.5, 0.2 M NACL AND 1 MM PMSF; PRECIPITANT REMARK 280 SOLUTION: 2 M NACL AND 2 M (NH4)2SO4. PH 7.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 292K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 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 -Y+1/2,X+1/2,Z REMARK 290 4555 Y+1/2,-X+1/2,Z REMARK 290 5555 -X+1/2,Y+1/2,-Z REMARK 290 6555 X+1/2,-Y+1/2,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 28.06500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.06500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.06500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.06500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.06500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.06500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.06500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.06500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 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 0.00000 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 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 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 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 235 LIES ON A SPECIAL POSITION.

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 ALA A 1 REMARK 465 ASP A 2 REMARK 465 LEU A 3 REMARK 465 LYS A 86 REMARK 465 SER A 87

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 ASP A 4 CG OD1 OD2 REMARK 480 LYS A 33 CE NZ REMARK 480 GLU A 45 CD OE1 OE2 REMARK 480 ASP A 84 CB CG OD1 OD2

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 HB3 ASP A 4 O HOH A 288 1.52 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 A 254 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH A 312 DISTANCE = 5.73 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 HEM A 101 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 HEM A 101 NA 90.8 REMARK 620 3 HEM A 101 NB 89.8 90.5 REMARK 620 4 HEM A 101 NC 87.3 178.0 90.2 REMARK 620 5 HEM A 101 ND 91.5 89.8 178.7 89.6 REMARK 620 6 MET A 58 SD 176.2 86.0 92.2 95.9 86.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 107 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 8 OE1 REMARK 620 2 GLU A 11 OE1 88.6 REMARK 620 3 HOH A 226 O 83.0 97.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 108 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 240 O REMARK 620 2 VAL A 25 O 103.5 REMARK 620 3 HOH A 290 O 76.9 88.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 109 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 63 O REMARK 620 2 HOH A 281 O 89.7 REMARK 620 3 HOH A 241 O 81.3 87.2 REMARK 620 4 HOH A 236 O 96.1 97.0 175.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 106 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 306 O REMARK 620 2 HOH A 297 O 100.4 REMARK 620 N 1

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 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 105 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 108 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 109

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3DR0 RELATED DB: PDB REMARK 900 THE SAME PROTEIN AT 1.23 A RESOLUTION REMARK 900 RELATED ID: 4EIC RELATED DB: PDB REMARK 900 RELATED ID: 4EID RELATED DB: PDB REMARK 900 RELATED ID: 4EIF RELATED DB: PDB

DBREF 4EIE A 1 87 UNP Q8KX15 Q8KX15_SYNP2 29 115

SEQRES 1 A 87 ALA ASP LEU ASP GLN GLY ALA GLN ILE PHE GLU ALA HIS SEQRES 2 A 87 CYS ALA GLY CYS HIS LEU ASN GLY GLY ASN ILE VAL ARG SEQRES 3 A 87 ARG GLY LYS ASN LEU LYS LYS ARG ALA MET ALA LYS ASN SEQRES 4 A 87 GLY TYR THR SER VAL GLU ALA ILE ALA ASN LEU VAL THR SEQRES 5 A 87 GLN GLY LYS GLY ASN MET SER ALA TYR GLY ASP LYS LEU SEQRES 6 A 87 SER SER GLU GLU ILE GLN ALA VAL SER GLN TYR VAL LEU SEQRES 7 A 87 GLN GLN SER GLN THR ASP TRP LYS SER

HET HEM A 101 73 HET CL A 102 1 HET CL A 103 1 HET CL A 104 1 HET CL A 105 1 HET NA A 106 1 HET NA A 107 1 HET NA A 108 1 HET NA A 109 1

HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CL CHLORIDE ION HETNAM NA SODIUM ION

HETSYN HEM HEME

FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CL 4(CL 1-) FORMUL 7 NA 4(NA 1+) FORMUL 11 HOH *126(H2 O)

HELIX 1 1 ASP A 4 CYS A 14 1 11 HELIX 2 2 CYS A 14 LEU A 19 1 6 HELIX 3 3 ASN A 20 GLY A 22 5 3 HELIX 4 4 LYS A 32 GLY A 40 1 9 HELIX 5 5 SER A 43 GLY A 54 1 12 HELIX 6 6 SER A 66 THR A 83 1 18

LINK NE2 HIS A 18 FE HEM A 101 1555 1555 1.99 LINK SD MET A 58 FE HEM A 101 1555 1555 2.34 LINK OE1 GLN A 8 NA NA A 107 1555 1555 2.37 LINK NA NA A 108 O HOH A 240 1555 1555 2.38 LINK O ASP A 63 NA NA A 109 1555 1555 2.39 LINK OE1 GLU A 11 NA NA A 107 1555 1555 2.40 LINK O VAL A 25 NA NA A 108 1555 1555 2.40 LINK NA NA A 108 O HOH A 290 1555 1555 2.48 LINK NA NA A 109 O HOH A 281 1555 1555 2.52 LINK NA NA A 107 O HOH A 226 1555 1555 2.52 LINK NA NA A 109 O HOH A 241 1555 1555 2.57 LINK NA NA A 109 O HOH A 236 1555 1555 2.62 LINK SG CYS A 14 CAB HEM A 101 1555 1555 1.85 LINK SG CYS A 17 CAC HEM A 101 1555 1555 1.85 LINK NA NA A 106 O HOH A 306 1555 1555 2.70 LINK NA NA A 106 O HOH A 297 1555 1555 2.99

SITE 1 AC1 22 HIS A 13 CYS A 14 CYS A 17 HIS A 18 SITE 2 AC1 22 ASN A 23 ARG A 26 LYS A 29 ASN A 30 SITE 3 AC1 22 LEU A 31 ALA A 35 ASN A 39 TYR A 41 SITE 4 AC1 22 LEU A 50 VAL A 51 LYS A 55 ASN A 57 SITE 5 AC1 22 MET A 58 TYR A 61 HOH A 207 HOH A 255 SITE 6 AC1 22 HOH A 303 HOH A 313 SITE 1 AC2 4 ARG A 26 ASN A 57 HOH A 207 HOH A 301 SITE 1 AC3 1 ILE A 9 SITE 1 AC4 2 SER A 59 ALA A 60 SITE 1 AC5 1 GLN A 5 SITE 1 AC6 4 HOH A 229 HOH A 230 HOH A 297 HOH A 306 SITE 1 AC7 4 GLN A 8 GLU A 11 HOH A 226 HOH A 320 SITE 1 AC8 6 VAL A 25 NA A 109 HOH A 212 HOH A 240 SITE 2 AC8 6 HOH A 241 HOH A 290 SITE 1 AC9 6 ASP A 63 NA A 108 HOH A 212 HOH A 236 SITE 2 AC9 6 HOH A 241 HOH A 281

CRYST1 56.130 56.130 49.640 90.00 90.00 90.00 P 4 21 2 8

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 0.017816 0.000000 0.000000 0.00000

SCALE2 0.000000 0.017816 0.000000 0.00000

SCALE3 0.000000 0.000000 0.020145 0.00000