HEADER ELECTRON TRANSPORT 14-APR-20 7BWH TITLE SOLUBLE CYTOCHROME B5 FROM RAMAZZOTTIUS VARIEORNATUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME B5 HEME-BINDING DOMAIN-CONTAINING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 10-102; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RAMAZZOTTIUS VARIEORNATUS; SOURCE 3 ORGANISM_COMMON: WATER BEAR; SOURCE 4 ORGANISM_TAXID: 947166; SOURCE 5 GENE: RVY_13572-1, RVY_13572.1, RVY_13572; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) KEYWDS HEME PROTEIN, CYTOCHROME B5, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.KIM,T.INOUE,Y.FUKUDA REVDAT 4 27-MAR-24 7BWH 1 REMARK REVDAT 3 05-AUG-20 7BWH 1 JRNL REVDAT 2 17-JUN-20 7BWH 1 JRNL REVDAT 1 10-JUN-20 7BWH 0 JRNL AUTH Y.FUKUDA,J.KIM,T.INOUE JRNL TITL STRUCTURE OF CYTOCHROME B5UNIQUE TO TARDIGRADES. JRNL REF PROTEIN SCI. V. 29 1829 2020 JRNL REFN ESSN 1469-896X JRNL PMID 32483879 JRNL DOI 10.1002/PRO.3896 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC CCP4INTERFACE 7.0.078 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 19138 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.147 REMARK 3 FREE R VALUE : 0.171 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 693 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.47 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.45 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7BWH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-APR-20. REMARK 100 THE DEPOSITION ID IS D_1300016615. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JAN-20 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 : SPRING-8 REMARK 200 BEAMLINE : BL44XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20165 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 38.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.03600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.45100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CRANK2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 26 MG/ML PROTEIN, 22% (W/V) PEG 4000, REMARK 280 AND 50 MM HEPES BUFFER PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.74750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.77300 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 18.74750 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 38.77300 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 TOTAL BURIED SURFACE AREA: 1040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 5650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 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 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 378 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 HIS A -9 REMARK 465 HIS A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 SER A -3 REMARK 465 SER A -2 REMARK 465 GLU A -1 REMARK 465 ASN A 0 REMARK 465 LEU A 1 REMARK 465 TYR A 2 REMARK 465 PHE A 3 REMARK 465 GLN A 4 REMARK 465 SER A 5 REMARK 465 LEU A 6 REMARK 465 ARG A 7 REMARK 465 LYS A 8 REMARK 465 ASP A 9 REMARK 465 LYS A 10 REMARK 465 ALA A 11 REMARK 465 ASN A 100 REMARK 465 VAL A 101 REMARK 465 GLU A 102 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 HIS A 24 67.88 -103.55 REMARK 500 SER A 29 91.96 -163.05 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 395 DISTANCE = 6.42 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 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 56 NE2 REMARK 620 2 HEM A 201 NA 93.9 REMARK 620 3 HEM A 201 NB 89.9 88.6 REMARK 620 4 HEM A 201 NC 89.7 174.9 87.9 REMARK 620 5 HEM A 201 ND 93.6 92.2 176.4 91.1 REMARK 620 6 HIS A 80 NE2 178.1 86.0 88.3 90.3 88.3 REMARK 620 N 1 2 3 4 5 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 56 NE2 REMARK 620 2 HEM A 201 NA 92.7 REMARK 620 3 HEM A 201 NB 88.8 87.6 REMARK 620 4 HEM A 201 NC 89.6 175.0 87.9 REMARK 620 5 HEM A 201 ND 93.4 92.1 177.8 92.2 REMARK 620 6 HIS A 80 NE2 177.0 86.1 88.4 91.4 89.4 REMARK 620 N 1 2 3 4 5 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 56 NE2 REMARK 620 2 HEM A 201 NA 93.4 REMARK 620 3 HEM A 201 NB 88.6 87.2 REMARK 620 4 HEM A 201 NC 89.7 173.4 87.0 REMARK 620 5 HEM A 201 ND 94.6 93.1 176.8 92.5 REMARK 620 6 HIS A 80 NE2 175.9 85.9 87.4 90.6 89.5 REMARK 620 N 1 2 3 4 5 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 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 202 DBREF1 7BWH A 10 102 UNP A0A1D1VNB4_RAMVA DBREF2 7BWH A A0A1D1VNB4 10 102 SEQADV 7BWH HIS A -9 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH HIS A -8 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH HIS A -7 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH HIS A -6 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH HIS A -5 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH HIS A -4 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH SER A -3 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH SER A -2 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH GLU A -1 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH ASN A 0 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH LEU A 1 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH TYR A 2 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH PHE A 3 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH GLN A 4 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH SER A 5 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH LEU A 6 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH ARG A 7 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH LYS A 8 UNP A0A1D1VNB EXPRESSION TAG SEQADV 7BWH ASP A 9 UNP A0A1D1VNB EXPRESSION TAG SEQRES 1 A 112 HIS HIS HIS HIS HIS HIS SER SER GLU ASN LEU TYR PHE SEQRES 2 A 112 GLN SER LEU ARG LYS ASP LYS ALA GLU GLU GLN THR PHE SEQRES 3 A 112 SER TRP SER GLU ILE SER GLN HIS THR SER ALA ASN SER SEQRES 4 A 112 LEU TRP VAL VAL VAL ARG ASP LYS THR SER PRO GLY SER SEQRES 5 A 112 PRO LEU ARG VAL TYR ASP VAL THR ASN PHE GLN LYS THR SEQRES 6 A 112 HIS PRO GLY GLY HIS LEU ILE LEU LEU LYS TYR ALA GLY SEQRES 7 A 112 THR GLU CYS SER ARG ALA PHE ALA ALA VAL GLY HIS SER SEQRES 8 A 112 LYS TYR ALA ILE LYS ARG MET SER GLN TYR ARG ILE GLY SEQRES 9 A 112 ILE ALA GLU ALA ASP ASN VAL GLU HET HEM A 201 129 HET CL A 202 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CL CHLORIDE ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CL CL 1- FORMUL 4 HOH *95(H2 O) HELIX 1 AA1 SER A 17 SER A 22 1 6 HELIX 2 AA2 THR A 50 GLN A 53 5 4 HELIX 3 AA3 GLY A 59 TYR A 66 1 8 HELIX 4 AA4 CYS A 71 VAL A 78 1 8 HELIX 5 AA5 SER A 81 SER A 89 1 9 SHEET 1 AA1 5 THR A 15 PHE A 16 0 SHEET 2 AA1 5 ARG A 92 ALA A 96 1 O ILE A 95 N PHE A 16 SHEET 3 AA1 5 LEU A 44 ASP A 48 -1 N VAL A 46 O ILE A 93 SHEET 4 AA1 5 SER A 29 ARG A 35 -1 N VAL A 32 O TYR A 47 SHEET 5 AA1 5 THR A 25 SER A 26 -1 N SER A 26 O SER A 29 LINK NE2 HIS A 56 FE BHEM A 201 1555 1555 2.15 LINK NE2 HIS A 56 FE CHEM A 201 1555 1555 2.17 LINK NE2 HIS A 56 FE DHEM A 201 1555 1555 2.16 LINK NE2 HIS A 80 FE BHEM A 201 1555 1555 2.16 LINK NE2 HIS A 80 FE CHEM A 201 1555 1555 2.14 LINK NE2 HIS A 80 FE DHEM A 201 1555 1555 2.15 SITE 1 AC1 21 VAL A 49 PHE A 52 HIS A 56 PRO A 57 SITE 2 AC1 21 GLY A 58 ILE A 62 TYR A 66 CYS A 71 SITE 3 AC1 21 ALA A 74 PHE A 75 VAL A 78 HIS A 80 SITE 4 AC1 21 SER A 81 TYR A 83 ALA A 84 MET A 88 SITE 5 AC1 21 HOH A 307 HOH A 311 HOH A 316 HOH A 334 SITE 6 AC1 21 HOH A 359 SITE 1 AC2 3 ARG A 35 ILE A 85 HOH A 314 CRYST1 34.004 37.495 77.546 90.00 90.00 90.00 P 2 21 21 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 0.029408 0.000000 0.000000 0.00000 SCALE2 0.000000 0.026670 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012896 0.00000