HEADER OXIDOREDUCTASE 16-OCT-15 5EAJ TITLE CRYSTAL STRUCTURE OF DHFR IN 0% ISOPROPANOL COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: B, A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: FOLA, AA953_06220, ABE89_23390, ABE90_01590, ABE91_11465, SOURCE 5 ABE92_27580, ABE93_03540, ABE94_26505, ABE95_19105, AC789_1C00510, SOURCE 6 ACM16_01115, ACM17_00910, ACM18_00225, ACM19_01115, ACM20_00925, SOURCE 7 ACM21_22820, BN1008_2275, ECONIH1_00280, ECS0051, EL75_3711, SOURCE 8 EL79_3822, EL80_3768, HW43_03985, IY32_08385, JD73_13725, SOURCE 9 NMECO18_25965, PD07_16380, PU06_14795, PU15_01135, PU21_08285, SOURCE 10 PU33_00085, PU38_11910, PU53_21230, PU69_06270, PU71_09850, SOURCE 11 PU73_17465, RR31_00265, SK64_04362, SK65_04102, SK81_04106, SOURCE 12 SY51_00265, TZ57_00270, UC21_17710, UC41_15235, UN86_27670, SOURCE 13 UN92_06125, WQ64_08430, WQ65_17175, WQ66_04025, WQ69_03315, SOURCE 14 WQ70_09735, WQ71_08985, WQ72_04470, WQ73_14425, WQ74_13220, SOURCE 15 WQ77_00770, WQ79_09130, WQ84_04435, WQ86_16125, WQ88_00770, SOURCE 16 WQ91_15025, WQ92_19155, WQ95_08145, WQ99_15285, WR00_12370, SOURCE 17 WR01_07485, WR03_05655, WR04_00040, WR05_03890, WR12_01840, SOURCE 18 WR13_10745, WR16_15930, WR17_04125, WR18_06540, WR19_18465, SOURCE 19 WR23_10335, WR24_10640, XB00_01295, XB01_19915; SOURCE 20 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 22 EXPRESSION_SYSTEM_STRAIN: BL21-RIL KEYWDS DYNAMICS, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.J.CUNEO,P.K.AGARWAL REVDAT 3 27-SEP-23 5EAJ 1 LINK REVDAT 2 12-SEP-18 5EAJ 1 JRNL REMARK REVDAT 1 21-SEP-16 5EAJ 0 JRNL AUTH M.R.DUFF JR.,J.M.BORREGUERO,M.J.CUNEO,A.RAMANATHAN,J.HE, JRNL AUTH 2 G.KAMATH,S.C.CHENNUBHOTLA,F.MEILLEUR,E.E.HOWELL,K.W.HERWIG, JRNL AUTH 3 D.A.A.MYLES,P.K.AGARWAL JRNL TITL MODULATING ENZYME ACTIVITY BY ALTERING PROTEIN DYNAMICS WITH JRNL TITL 2 SOLVENT. JRNL REF BIOCHEMISTRY V. 57 4263 2018 JRNL REFN ISSN 1520-4995 JRNL PMID 29901984 JRNL DOI 10.1021/ACS.BIOCHEM.8B00424 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.6.2_432) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 38245 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1911 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.9266 - 4.0987 0.99 2643 158 0.1632 0.1716 REMARK 3 2 4.0987 - 3.2538 1.00 2619 149 0.1709 0.1831 REMARK 3 3 3.2538 - 2.8426 1.00 2638 144 0.2068 0.2485 REMARK 3 4 2.8426 - 2.5828 1.00 2648 122 0.2121 0.2806 REMARK 3 5 2.5828 - 2.3977 1.00 2589 143 0.2048 0.2515 REMARK 3 6 2.3977 - 2.2564 1.00 2625 140 0.2033 0.2578 REMARK 3 7 2.2564 - 2.1434 1.00 2621 129 0.2122 0.2203 REMARK 3 8 2.1434 - 2.0501 1.00 2613 139 0.2159 0.2515 REMARK 3 9 2.0501 - 1.9711 1.00 2619 133 0.2282 0.2794 REMARK 3 10 1.9711 - 1.9031 1.00 2612 118 0.2273 0.2484 REMARK 3 11 1.9031 - 1.8436 0.99 2571 152 0.2288 0.2945 REMARK 3 12 1.8436 - 1.7909 0.99 2594 129 0.2486 0.3093 REMARK 3 13 1.7909 - 1.7438 0.98 2525 141 0.2588 0.2880 REMARK 3 14 1.7438 - 1.7012 0.93 2417 114 0.2910 0.3531 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0.36 REMARK 3 B_SOL : 35.42 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.320 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.79 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.72 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.89820 REMARK 3 B22 (A**2) : -1.89820 REMARK 3 B33 (A**2) : 3.79640 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.004 2835 REMARK 3 ANGLE : 0.858 3884 REMARK 3 CHIRALITY : 0.059 404 REMARK 3 PLANARITY : 0.003 517 REMARK 3 DIHEDRAL : 12.967 1054 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5EAJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-OCT-15. REMARK 100 THE DEPOSITION ID IS D_1000214582. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-12 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 : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38279 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 8.400 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.52500 REMARK 200 R SYM FOR SHELL (I) : NULL 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: PHASER REMARK 200 STARTING MODEL: 1RD7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M CACL2, 20-35 % (W/V) PEG 6000, REMARK 280 0.1M NAHEPES PH7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 24.36567 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.73133 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 36.54850 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 60.91417 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 12.18283 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 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 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 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 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 MET A 16 -62.19 -105.68 REMARK 500 GLU A 17 -52.32 -136.43 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 B 450 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 420 DISTANCE = 5.84 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 CA B 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 135 O REMARK 620 2 HOH B 312 O 79.7 REMARK 620 3 HOH B 319 O 71.7 136.4 REMARK 620 4 HOH B 348 O 160.7 81.8 126.6 REMARK 620 5 HOH B 352 O 87.9 90.1 120.3 86.7 REMARK 620 6 HOH A 302 O 95.2 81.9 69.0 87.5 170.7 REMARK 620 7 HOH A 370 O 110.3 158.0 65.3 85.4 71.4 115.4 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FOL B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue FOL A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5E8Q RELATED DB: PDB DBREF 5EAJ B 1 159 UNP C3TR70 C3TR70_ECOLX 1 159 DBREF 5EAJ A 1 159 UNP C3TR70 C3TR70_ECOLX 1 159 SEQADV 5EAJ ASP B 37 UNP C3TR70 ASN 37 CONFLICT SEQADV 5EAJ ASP A 37 UNP C3TR70 ASN 37 CONFLICT SEQRES 1 B 159 MET ILE SER LEU ILE ALA ALA LEU ALA VAL ASP ARG VAL SEQRES 2 B 159 ILE GLY MET GLU ASN ALA MET PRO TRP ASN LEU PRO ALA SEQRES 3 B 159 ASP LEU ALA TRP PHE LYS ARG ASN THR LEU ASP LYS PRO SEQRES 4 B 159 VAL ILE MET GLY ARG HIS THR TRP GLU SER ILE GLY ARG SEQRES 5 B 159 PRO LEU PRO GLY ARG LYS ASN ILE ILE LEU SER SER GLN SEQRES 6 B 159 PRO GLY THR ASP ASP ARG VAL THR TRP VAL LYS SER VAL SEQRES 7 B 159 ASP GLU ALA ILE ALA ALA CYS GLY ASP VAL PRO GLU ILE SEQRES 8 B 159 MET VAL ILE GLY GLY GLY ARG VAL TYR GLU GLN PHE LEU SEQRES 9 B 159 PRO LYS ALA GLN LYS LEU TYR LEU THR HIS ILE ASP ALA SEQRES 10 B 159 GLU VAL GLU GLY ASP THR HIS PHE PRO ASP TYR GLU PRO SEQRES 11 B 159 ASP ASP TRP GLU SER VAL PHE SER GLU PHE HIS ASP ALA SEQRES 12 B 159 ASP ALA GLN ASN SER HIS SER TYR CYS PHE GLU ILE LEU SEQRES 13 B 159 GLU ARG ARG SEQRES 1 A 159 MET ILE SER LEU ILE ALA ALA LEU ALA VAL ASP ARG VAL SEQRES 2 A 159 ILE GLY MET GLU ASN ALA MET PRO TRP ASN LEU PRO ALA SEQRES 3 A 159 ASP LEU ALA TRP PHE LYS ARG ASN THR LEU ASP LYS PRO SEQRES 4 A 159 VAL ILE MET GLY ARG HIS THR TRP GLU SER ILE GLY ARG SEQRES 5 A 159 PRO LEU PRO GLY ARG LYS ASN ILE ILE LEU SER SER GLN SEQRES 6 A 159 PRO GLY THR ASP ASP ARG VAL THR TRP VAL LYS SER VAL SEQRES 7 A 159 ASP GLU ALA ILE ALA ALA CYS GLY ASP VAL PRO GLU ILE SEQRES 8 A 159 MET VAL ILE GLY GLY GLY ARG VAL TYR GLU GLN PHE LEU SEQRES 9 A 159 PRO LYS ALA GLN LYS LEU TYR LEU THR HIS ILE ASP ALA SEQRES 10 A 159 GLU VAL GLU GLY ASP THR HIS PHE PRO ASP TYR GLU PRO SEQRES 11 A 159 ASP ASP TRP GLU SER VAL PHE SER GLU PHE HIS ASP ALA SEQRES 12 A 159 ASP ALA GLN ASN SER HIS SER TYR CYS PHE GLU ILE LEU SEQRES 13 A 159 GLU ARG ARG HET FOL B 201 32 HET CA B 202 1 HET CL B 203 1 HET CL B 204 1 HET CL B 205 1 HET FOL A 201 32 HET CL A 202 1 HETNAM FOL FOLIC ACID HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 3 FOL 2(C19 H19 N7 O6) FORMUL 4 CA CA 2+ FORMUL 5 CL 4(CL 1-) FORMUL 10 HOH *270(H2 O) HELIX 1 AA1 ALA B 9 ASP B 11 5 3 HELIX 2 AA2 LEU B 24 LEU B 36 1 13 HELIX 3 AA3 ARG B 44 GLY B 51 1 8 HELIX 4 AA4 SER B 77 GLY B 86 1 10 HELIX 5 AA5 GLY B 96 LEU B 104 1 9 HELIX 6 AA6 GLU B 129 ASP B 131 5 3 HELIX 7 AA7 ALA A 9 VAL A 13 5 5 HELIX 8 AA8 LEU A 24 LEU A 36 1 13 HELIX 9 AA9 ARG A 44 GLY A 51 1 8 HELIX 10 AB1 SER A 77 CYS A 85 1 9 HELIX 11 AB2 GLY A 96 LEU A 104 1 9 HELIX 12 AB3 PRO A 105 ALA A 107 5 3 SHEET 1 AA1 8 THR B 73 VAL B 75 0 SHEET 2 AA1 8 ASN B 59 LEU B 62 1 N ILE B 61 O THR B 73 SHEET 3 AA1 8 VAL B 40 GLY B 43 1 N MET B 42 O LEU B 62 SHEET 4 AA1 8 ILE B 91 VAL B 93 1 O MET B 92 N ILE B 41 SHEET 5 AA1 8 ILE B 2 LEU B 8 1 N SER B 3 O VAL B 93 SHEET 6 AA1 8 ALA B 107 ILE B 115 1 O TYR B 111 N LEU B 4 SHEET 7 AA1 8 TYR B 151 ARG B 158 -1 O CYS B 152 N HIS B 114 SHEET 8 AA1 8 TRP B 133 HIS B 141 -1 N VAL B 136 O ILE B 155 SHEET 1 AA2 2 VAL B 13 GLY B 15 0 SHEET 2 AA2 2 THR B 123 HIS B 124 -1 O THR B 123 N ILE B 14 SHEET 1 AA3 8 THR A 73 VAL A 75 0 SHEET 2 AA3 8 ASN A 59 LEU A 62 1 N ILE A 61 O THR A 73 SHEET 3 AA3 8 VAL A 40 GLY A 43 1 N MET A 42 O LEU A 62 SHEET 4 AA3 8 ILE A 91 VAL A 93 1 O MET A 92 N ILE A 41 SHEET 5 AA3 8 ILE A 2 LEU A 8 1 N SER A 3 O VAL A 93 SHEET 6 AA3 8 LYS A 109 ILE A 115 1 O TYR A 111 N LEU A 4 SHEET 7 AA3 8 TYR A 151 ARG A 158 -1 O GLU A 154 N LEU A 112 SHEET 8 AA3 8 TRP A 133 HIS A 141 -1 N GLU A 134 O GLU A 157 LINK O SER B 135 CA CA B 202 1555 1555 2.33 LINK CA CA B 202 O HOH B 312 1555 1555 2.53 LINK CA CA B 202 O HOH B 319 1555 1555 3.09 LINK CA CA B 202 O HOH B 348 1555 2565 2.41 LINK CA CA B 202 O HOH B 352 1555 2565 2.56 LINK CA CA B 202 O HOH A 302 1555 2565 2.57 LINK CA CA B 202 O HOH A 370 1555 3455 2.81 CISPEP 1 GLY B 95 GLY B 96 0 5.44 CISPEP 2 GLY A 95 GLY A 96 0 5.53 SITE 1 AC1 17 ILE B 5 ALA B 6 ALA B 7 ASP B 27 SITE 2 AC1 17 PHE B 31 LYS B 32 THR B 46 ILE B 50 SITE 3 AC1 17 ARG B 52 ARG B 57 ILE B 94 TYR B 100 SITE 4 AC1 17 THR B 113 HOH B 318 HOH B 322 HOH B 368 SITE 5 AC1 17 HOH B 412 SITE 1 AC2 7 HOH A 302 HOH A 370 SER B 135 HOH B 312 SITE 2 AC2 7 HOH B 319 HOH B 348 HOH B 352 SITE 1 AC3 5 GLY B 43 HIS B 45 THR B 46 GLY B 96 SITE 2 AC3 5 HOH B 413 SITE 1 AC4 3 SER B 135 ARG B 159 HOH B 352 SITE 1 AC5 4 ARG A 98 TRP B 30 ARG B 33 HOH B 354 SITE 1 AC6 20 ILE A 5 ALA A 6 ALA A 7 ASP A 27 SITE 2 AC6 20 LEU A 28 PHE A 31 LYS A 32 THR A 46 SITE 3 AC6 20 ILE A 50 ARG A 52 LEU A 54 ARG A 57 SITE 4 AC6 20 ILE A 94 TYR A 100 THR A 113 HOH A 320 SITE 5 AC6 20 HOH A 324 HOH A 355 HOH A 374 HOH A 395 SITE 1 AC7 5 GLY A 43 HIS A 45 THR A 46 GLY A 96 SITE 2 AC7 5 HOH A 388 CRYST1 91.947 91.947 73.097 90.00 90.00 120.00 P 61 12 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 0.010876 0.006279 0.000000 0.00000 SCALE2 0.000000 0.012558 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013680 0.00000