HEADER DNA BINDING PROTEIN 14-MAR-25 9QGV TITLE SCIA(H42Q) ENDONUCLEASE FROM ESCHERICHIA PHAGE T5 IN COMPLEX WITH 10 TITLE 2 BP DNA (GCGC SEQUENCE 2) COMPND MOL_ID: 1; COMPND 2 MOLECULE: NICKING ENDONUCLEASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.21.-; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: THE N-TERMINAL 3 AMINO ACIDS ARE RESIDUE FROM CLEAVAGE COMPND 8 OF THE SIX-HISTIDINE TAG BY TOBACCO ETCH VIRUS (TEV) PROTEASE.; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: DNA (5'-D(*C*CP*AP*AP*GP*CP*GP*CP*TP*G)-3'); COMPND 11 CHAIN: B; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: DNA (5'-D(*C*AP*GP*CP*GP*CP*TP*TP*GP*G)-3'); COMPND 15 CHAIN: C; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA PHAGE T5; SOURCE 3 ORGANISM_TAXID: 2695836; SOURCE 4 GENE: ORF142, T5.153, T5P149; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ROSETTA2(DE3) PLYSS; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: ESCHERICHIA PHAGE T5; SOURCE 11 ORGANISM_TAXID: 2695836; SOURCE 12 MOL_ID: 3; SOURCE 13 SYNTHETIC: YES; SOURCE 14 ORGANISM_SCIENTIFIC: ESCHERICHIA PHAGE T5; SOURCE 15 ORGANISM_TAXID: 2695836 KEYWDS HNH ENDONUCLEASE, HIS-ME ENDONUCLEASE, BACTERIOPHAGE T5, NICKED KEYWDS 2 GENOME, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.M.RICHARDSON,S.A.MACNEILL REVDAT 1 25-MAR-26 9QGV 0 JRNL AUTH J.M.RICHARDSON,S.A.MACNEILL JRNL TITL STRUCTURE AND FUNCTION OF THE NICKING ENDONUCLEASE FROM JRNL TITL 2 ESCHERICHIA PHAGE T5 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.1_4122 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.84 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 27151 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.206 REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.080 REMARK 3 FREE R VALUE TEST SET COUNT : 1378 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 35.8400 - 3.3400 1.00 2614 138 0.1534 0.1746 REMARK 3 2 3.3400 - 2.6500 0.99 2577 139 0.2080 0.2540 REMARK 3 3 2.6500 - 2.3200 1.00 2595 127 0.1967 0.2515 REMARK 3 4 2.3200 - 2.1000 1.00 2571 133 0.1887 0.2064 REMARK 3 5 2.1000 - 1.9500 1.00 2604 124 0.2220 0.2813 REMARK 3 6 1.9500 - 1.8400 1.00 2562 129 0.2615 0.2855 REMARK 3 7 1.8400 - 1.7500 1.00 2557 144 0.2735 0.2912 REMARK 3 8 1.7500 - 1.6700 1.00 2557 155 0.3327 0.3689 REMARK 3 9 1.6700 - 1.6100 1.00 2591 142 0.4061 0.4271 REMARK 3 10 1.6100 - 1.5500 1.00 2545 147 0.4980 0.5448 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.293 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 33.598 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.81 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 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 : 0.011 1471 REMARK 3 ANGLE : 1.251 2061 REMARK 3 CHIRALITY : 0.055 225 REMARK 3 PLANARITY : 0.010 195 REMARK 3 DIHEDRAL : 26.315 324 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 9QGV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1292146357. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAY-24 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X CDTE 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27207 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 35.850 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.914 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM ACETATE TRIHYDRATE AND REMARK 280 20% (W/V) PEG 3350 (PEGION SCREEN CONDITION G2, HAMPTON RESEARCH) REMARK 280 , PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K 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 35.84500 REMARK 290 SMTRY3 2 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 GLN A -2 REMARK 465 GLY A -1 REMARK 465 ALA A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 THR A 3 REMARK 465 ASN A 4 REMARK 465 THR A 5 REMARK 465 LYS A 6 REMARK 465 TYR A 7 REMARK 465 PRO A 127 REMARK 465 GLN A 128 REMARK 465 GLU A 129 REMARK 465 LYS A 130 REMARK 465 THR A 131 REMARK 465 GLN A 132 REMARK 465 VAL A 133 REMARK 465 LYS A 134 REMARK 465 THR A 135 REMARK 465 GLU A 136 REMARK 465 THR A 137 REMARK 465 LYS A 138 REMARK 465 SER A 139 REMARK 465 GLY A 140 REMARK 465 PHE A 141 REMARK 465 ALA A 142 REMARK 465 ARG A 143 REMARK 465 PHE A 144 REMARK 465 LEU A 145 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 8 CG CD CE NZ REMARK 470 GLU A 72 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 DC C -7 O3' DC C -7 C3' -0.042 REMARK 500 DT C -4 O3' DT C -4 C3' -0.042 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 DC B 2 O4' - C1' - N1 ANGL. DEV. = 1.8 DEGREES REMARK 500 DA B 4 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DC B 8 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES REMARK 500 DA C -9 C3' - C2' - C1' ANGL. DEV. = -6.0 DEGREES REMARK 500 DA C -9 O4' - C1' - N9 ANGL. DEV. = 1.8 DEGREES REMARK 500 DC C -7 O4' - C1' - N1 ANGL. DEV. = 3.6 DEGREES 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 THR A 102 159.03 77.49 REMARK 500 GLN A 125 -130.84 -85.93 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 ZN A 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 29 SG REMARK 620 2 CYS A 32 SG 107.9 REMARK 620 3 CYS A 90 SG 113.9 112.6 REMARK 620 4 HIS A 93 ND1 112.9 111.8 97.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 203 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 41 ND1 REMARK 620 2 HIS A 94 NE2 106.0 REMARK 620 3 HIS A 98 NE2 105.7 97.3 REMARK 620 4 IMD A 201 N1 103.1 142.1 97.6 REMARK 620 5 IMD A 201 N3 150.6 88.7 97.2 55.0 REMARK 620 N 1 2 3 4 DBREF 9QGV A 1 145 UNP Q6QGD4 ENDON_BPT5 1 145 DBREF 9QGV B 1 10 PDB 9QGV 9QGV 1 10 DBREF 9QGV C -10 -1 PDB 9QGV 9QGV -10 -1 SEQADV 9QGV GLN A -2 UNP Q6QGD4 EXPRESSION TAG SEQADV 9QGV GLY A -1 UNP Q6QGD4 EXPRESSION TAG SEQADV 9QGV ALA A 0 UNP Q6QGD4 EXPRESSION TAG SEQADV 9QGV GLN A 42 UNP Q6QGD4 HIS 42 ENGINEERED MUTATION SEQRES 1 A 148 GLN GLY ALA MET ALA THR ASN THR LYS TYR LYS ARG ASP SEQRES 2 A 148 ALA ILE SER ILE MET ARG ASP GLY ILE LYS SER ARG TYR SEQRES 3 A 148 SER LYS ASP GLY CYS CYS ALA ILE CYS GLY SER SER GLU SEQRES 4 A 148 ASP LEU GLU LEU HIS GLN TYR HIS THR ILE SER GLN LEU SEQRES 5 A 148 ILE LYS LYS PHE ALA LYS GLU LEU GLN LEU ASP PHE THR SEQRES 6 A 148 ASP GLU ASN ILE VAL LEU SER ASN ARG GLU ALA PHE TYR SEQRES 7 A 148 LYS LYS TYR GLU HIS GLU LEU VAL ARG ASP VAL VAL THR SEQRES 8 A 148 LEU CYS GLN HIS HIS HIS GLN LEU LEU HIS LYS VAL TYR SEQRES 9 A 148 THR LYS GLU PRO PRO LEU PHE SER ALA ASN LYS GLN LYS SEQRES 10 A 148 ALA TRP VAL GLN LYS GLN LYS ASP LYS ILE GLN ASN PRO SEQRES 11 A 148 GLN GLU LYS THR GLN VAL LYS THR GLU THR LYS SER GLY SEQRES 12 A 148 PHE ALA ARG PHE LEU SEQRES 1 B 10 DC DC DA DA DG DC DG DC DT DG SEQRES 1 C 10 DC DA DG DC DG DC DT DT DG DG HET IMD A 201 10 HET ZN A 202 1 HET ZN A 203 1 HETNAM IMD IMIDAZOLE HETNAM ZN ZINC ION FORMUL 4 IMD C3 H5 N2 1+ FORMUL 5 ZN 2(ZN 2+) FORMUL 7 HOH *116(H2 O) HELIX 1 AA1 ASP A 10 LYS A 20 1 11 HELIX 2 AA2 SER A 21 TYR A 23 5 3 HELIX 3 AA3 THR A 45 GLN A 58 1 14 HELIX 4 AA4 ASP A 63 TYR A 78 1 16 HELIX 5 AA5 TYR A 78 ARG A 84 1 7 HELIX 6 AA6 GLN A 91 THR A 102 1 12 HELIX 7 AA7 PRO A 106 PHE A 108 5 3 HELIX 8 AA8 SER A 109 GLN A 125 1 17 SHEET 1 AA1 2 LEU A 38 GLN A 42 0 SHEET 2 AA1 2 VAL A 86 CYS A 90 -1 O VAL A 87 N HIS A 41 LINK SG CYS A 29 ZN ZN A 202 1555 1555 2.35 LINK SG CYS A 32 ZN ZN A 202 1555 1555 2.32 LINK ND1 HIS A 41 ZN ZN A 203 1555 1555 2.14 LINK SG CYS A 90 ZN ZN A 202 1555 1555 2.31 LINK ND1 HIS A 93 ZN ZN A 202 1555 1555 2.10 LINK NE2 HIS A 94 ZN ZN A 203 1555 1555 2.05 LINK NE2 HIS A 98 ZN ZN A 203 1555 1555 2.15 LINK N1 IMD A 201 ZN ZN A 203 1555 1555 2.49 LINK N3 IMD A 201 ZN ZN A 203 1555 1555 2.22 CRYST1 33.290 71.690 40.230 90.00 97.17 90.00 P 1 21 1 2 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 0.030039 0.000000 0.003779 0.00000 SCALE2 0.000000 0.013949 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025053 0.00000 CONECT 366 2631 CONECT 405 2631 CONECT 525 2632 CONECT 1357 2631 CONECT 1402 2631 CONECT 1422 2632 CONECT 1494 2632 CONECT 2621 2622 2625 2626 2632 CONECT 2622 2621 2623 2627 CONECT 2623 2622 2624 2628 2632 CONECT 2624 2623 2625 2629 CONECT 2625 2621 2624 2630 CONECT 2626 2621 CONECT 2627 2622 CONECT 2628 2623 CONECT 2629 2624 CONECT 2630 2625 CONECT 2631 366 405 1357 1402 CONECT 2632 525 1422 1494 2621 CONECT 2632 2623 MASTER 319 0 3 8 2 0 0 6 1504 3 20 14 END