HEADER METAL BINDING PROTEIN 16-OCT-22 8ETB TITLE THE CRYSTAL STRUCTURE OF A RATIONALLY DESIGNED ZINC SENSOR BASED ON TITLE 2 MALTOSE BINDING PROTEIN - ZN BINDING CONFORMATION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ZINC SENSOR PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MALTOSE/MALTODEXTRIN-BINDING PERIPLASMIC PROTEIN,MMBP, COMPND 5 MALTODEXTRIN-BINDING PROTEIN,MALTOSE-BINDING PROTEIN,MBP; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: MALE, Z5632, ECS5017; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS ZINC, SENSING, XE NMR, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Z.ZHAO,M.ZHOU,S.D.ZEMEROV,R.MARMORSTEIN,I.J.DMOCHOWSKI REVDAT 2 19-APR-23 8ETB 1 JRNL REVDAT 1 22-MAR-23 8ETB 0 JRNL AUTH Z.ZHAO,M.ZHOU,S.D.ZEMEROV,R.MARMORSTEIN,I.J.DMOCHOWSKI JRNL TITL RATIONAL DESIGN OF A GENETICALLY ENCODED NMR ZINC SENSOR. JRNL REF CHEM SCI V. 14 3809 2023 JRNL REFN ISSN 2041-6520 JRNL PMID 37035699 JRNL DOI 10.1039/D3SC00437F REMARK 2 REMARK 2 RESOLUTION. 1.63 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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) : 1.63 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.34 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 79581 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 : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.840 REMARK 3 FREE R VALUE TEST SET COUNT : 3852 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 29.3400 - 4.9500 0.99 2763 141 0.1694 0.2287 REMARK 3 2 4.9500 - 3.9300 1.00 2810 141 0.1426 0.1727 REMARK 3 3 3.9300 - 3.4300 0.98 2722 141 0.1567 0.1726 REMARK 3 4 3.4300 - 3.1200 0.95 2665 135 0.1868 0.2412 REMARK 3 5 3.1200 - 2.9000 0.97 2707 142 0.1957 0.2514 REMARK 3 6 2.9000 - 2.7300 0.98 2769 142 0.2116 0.2253 REMARK 3 7 2.7300 - 2.5900 0.99 2779 141 0.2047 0.2180 REMARK 3 8 2.5900 - 2.4800 0.99 2760 140 0.2114 0.2637 REMARK 3 9 2.4800 - 2.3800 0.99 2783 137 0.2033 0.2466 REMARK 3 10 2.3800 - 2.3000 0.99 2771 142 0.2080 0.2532 REMARK 3 11 2.3000 - 2.2300 0.99 2749 137 0.2081 0.2280 REMARK 3 12 2.2300 - 2.1600 0.99 2827 141 0.2230 0.2551 REMARK 3 13 2.1600 - 2.1100 0.99 2710 139 0.2155 0.2494 REMARK 3 14 2.1100 - 2.0600 0.98 2759 140 0.2321 0.2279 REMARK 3 15 2.0600 - 2.0100 0.99 2767 140 0.2262 0.2553 REMARK 3 16 2.0100 - 1.9700 0.99 2767 140 0.2217 0.2521 REMARK 3 17 1.9700 - 1.9300 0.98 2718 136 0.2247 0.2880 REMARK 3 18 1.9300 - 1.8900 0.98 2764 141 0.2417 0.3267 REMARK 3 19 1.8900 - 1.8600 0.98 2756 137 0.2445 0.2930 REMARK 3 20 1.8600 - 1.8200 0.98 2691 136 0.2642 0.2563 REMARK 3 21 1.8200 - 1.8000 0.99 2763 138 0.2980 0.3387 REMARK 3 22 1.8000 - 1.7700 0.97 2756 140 0.2956 0.3639 REMARK 3 23 1.7700 - 1.7400 0.96 2691 137 0.3090 0.3230 REMARK 3 24 1.7400 - 1.7200 0.96 2766 142 0.3106 0.3439 REMARK 3 25 1.7200 - 1.6900 0.95 2614 134 0.3274 0.3210 REMARK 3 26 1.6900 - 1.6700 0.95 2690 143 0.3486 0.3373 REMARK 3 27 1.6700 - 1.6500 0.95 2658 142 0.3632 0.3702 REMARK 3 28 1.6500 - 1.6300 0.64 1754 87 0.3251 0.3869 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.216 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 28.621 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.24 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.90 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 : 0.004 2969 REMARK 3 ANGLE : 0.671 4040 REMARK 3 CHIRALITY : 0.048 436 REMARK 3 PLANARITY : 0.004 530 REMARK 3 DIHEDRAL : 14.490 1088 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 1 THROUGH 105 ) REMARK 3 ORIGIN FOR THE GROUP (A): 31.8999 4.7559 0.0638 REMARK 3 T TENSOR REMARK 3 T11: 0.1615 T22: 0.2083 REMARK 3 T33: 0.2468 T12: -0.0539 REMARK 3 T13: -0.0115 T23: 0.0258 REMARK 3 L TENSOR REMARK 3 L11: 5.1697 L22: 2.5003 REMARK 3 L33: 3.1808 L12: -1.0877 REMARK 3 L13: 0.8897 L23: -0.1771 REMARK 3 S TENSOR REMARK 3 S11: -0.1334 S12: 0.1346 S13: 0.5609 REMARK 3 S21: 0.0055 S22: 0.0932 S23: 0.0657 REMARK 3 S31: -0.1400 S32: -0.1095 S33: -0.0149 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 106 THROUGH 245 ) REMARK 3 ORIGIN FOR THE GROUP (A): 48.3534 -1.1643 25.6591 REMARK 3 T TENSOR REMARK 3 T11: 0.2977 T22: 0.3167 REMARK 3 T33: 0.2186 T12: -0.0322 REMARK 3 T13: 0.0195 T23: -0.0176 REMARK 3 L TENSOR REMARK 3 L11: 2.3515 L22: 1.3706 REMARK 3 L33: 6.9380 L12: 0.4058 REMARK 3 L13: -0.5488 L23: -1.0282 REMARK 3 S TENSOR REMARK 3 S11: 0.2483 S12: -0.4841 S13: 0.0985 REMARK 3 S21: 0.3330 S22: -0.1951 S23: -0.0206 REMARK 3 S31: -0.0743 S32: 0.5594 S33: -0.0450 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 246 THROUGH 333 ) REMARK 3 ORIGIN FOR THE GROUP (A): 43.9269 -0.1080 4.7802 REMARK 3 T TENSOR REMARK 3 T11: 0.1786 T22: 0.1884 REMARK 3 T33: 0.1883 T12: -0.0124 REMARK 3 T13: 0.0131 T23: -0.0085 REMARK 3 L TENSOR REMARK 3 L11: 3.6507 L22: 0.9238 REMARK 3 L33: 4.5787 L12: -0.3679 REMARK 3 L13: 1.6023 L23: -0.6551 REMARK 3 S TENSOR REMARK 3 S11: -0.0545 S12: 0.3406 S13: 0.1297 REMARK 3 S21: -0.0649 S22: 0.0314 S23: -0.0151 REMARK 3 S31: 0.2908 S32: 0.2643 S33: 0.0197 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 334 THROUGH 366 ) REMARK 3 ORIGIN FOR THE GROUP (A): 32.2623 -6.0143 31.7543 REMARK 3 T TENSOR REMARK 3 T11: 0.5474 T22: 0.6513 REMARK 3 T33: 0.3497 T12: -0.1530 REMARK 3 T13: 0.1049 T23: 0.0071 REMARK 3 L TENSOR REMARK 3 L11: 4.6221 L22: 2.2246 REMARK 3 L33: 2.5135 L12: 0.3738 REMARK 3 L13: 3.3006 L23: -0.0664 REMARK 3 S TENSOR REMARK 3 S11: 0.3721 S12: 0.0787 S13: 0.1472 REMARK 3 S21: 0.3273 S22: -0.1053 S23: 0.2897 REMARK 3 S31: 0.7556 S32: -1.1114 S33: -0.3304 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 8ETB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-OCT-22. REMARK 100 THE DEPOSITION ID IS D_1000268140. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUN-22 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 : NSLS-II REMARK 200 BEAMLINE : 17-ID-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.28215 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 79582 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.630 REMARK 200 RESOLUTION RANGE LOW (A) : 29.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.06689 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.4900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.63 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.52480 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.360 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: 1OMP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M MGCL2 , 0.1 M BIS-TRIS, PH 6.5, REMARK 280 25% PEG 3350., VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 34.25050 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: 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 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 295 CG CD CE NZ 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 31 -40.44 -133.53 REMARK 500 ASP A 55 -163.49 -120.30 REMARK 500 ILE A 108 -62.92 -120.99 REMARK 500 ALA A 168 -83.17 -83.41 REMARK 500 ASP A 209 -162.63 -115.91 REMARK 500 LYS A 239 16.83 57.35 REMARK 500 TYR A 283 -51.49 -123.69 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 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 111 NE2 REMARK 620 2 HIS A 230 NE2 130.8 REMARK 620 3 HOH A 723 O 89.8 102.2 REMARK 620 N 1 2 DBREF 8ETB A 1 366 UNP P0AEY0 MALE_ECO57 27 392 SEQADV 8ETB HIS A 15 UNP P0AEY0 LYS 41 CONFLICT SEQADV 8ETB HIS A 111 UNP P0AEY0 GLU 137 CONFLICT SEQADV 8ETB HIS A 230 UNP P0AEY0 TRP 256 CONFLICT SEQRES 1 A 366 LYS ILE GLU GLU GLY LYS LEU VAL ILE TRP ILE ASN GLY SEQRES 2 A 366 ASP HIS GLY TYR ASN GLY LEU ALA GLU VAL GLY LYS LYS SEQRES 3 A 366 PHE GLU LYS ASP THR GLY ILE LYS VAL THR VAL GLU HIS SEQRES 4 A 366 PRO ASP LYS LEU GLU GLU LYS PHE PRO GLN VAL ALA ALA SEQRES 5 A 366 THR GLY ASP GLY PRO ASP ILE ILE PHE TRP ALA HIS ASP SEQRES 6 A 366 ARG PHE GLY GLY TYR ALA GLN SER GLY LEU LEU ALA GLU SEQRES 7 A 366 ILE THR PRO ASP LYS ALA PHE GLN ASP LYS LEU TYR PRO SEQRES 8 A 366 PHE THR TRP ASP ALA VAL ARG TYR ASN GLY LYS LEU ILE SEQRES 9 A 366 ALA TYR PRO ILE ALA VAL HIS ALA LEU SER LEU ILE TYR SEQRES 10 A 366 ASN LYS ASP LEU LEU PRO ASN PRO PRO LYS THR TRP GLU SEQRES 11 A 366 GLU ILE PRO ALA LEU ASP LYS GLU LEU LYS ALA LYS GLY SEQRES 12 A 366 LYS SER ALA LEU MET PHE ASN LEU GLN GLU PRO TYR PHE SEQRES 13 A 366 THR TRP PRO LEU ILE ALA ALA ASP GLY GLY TYR ALA PHE SEQRES 14 A 366 LYS TYR GLU ASN GLY LYS TYR ASP ILE LYS ASP VAL GLY SEQRES 15 A 366 VAL ASP ASN ALA GLY ALA LYS ALA GLY LEU THR PHE LEU SEQRES 16 A 366 VAL ASP LEU ILE LYS ASN LYS HIS MET ASN ALA ASP THR SEQRES 17 A 366 ASP TYR SER ILE ALA GLU ALA ALA PHE ASN LYS GLY GLU SEQRES 18 A 366 THR ALA MET THR ILE ASN GLY PRO HIS ALA TRP SER ASN SEQRES 19 A 366 ILE ASP THR SER LYS VAL ASN TYR GLY VAL THR VAL LEU SEQRES 20 A 366 PRO THR PHE LYS GLY GLN PRO SER LYS PRO PHE VAL GLY SEQRES 21 A 366 VAL LEU SER ALA GLY ILE ASN ALA ALA SER PRO ASN LYS SEQRES 22 A 366 GLU LEU ALA LYS GLU PHE LEU GLU ASN TYR LEU LEU THR SEQRES 23 A 366 ASP GLU GLY LEU GLU ALA VAL ASN LYS ASP LYS PRO LEU SEQRES 24 A 366 GLY ALA VAL ALA LEU LYS SER TYR GLU GLU GLU LEU ALA SEQRES 25 A 366 LYS ASP PRO ARG ILE ALA ALA THR MET GLU ASN ALA GLN SEQRES 26 A 366 LYS GLY GLU ILE MET PRO ASN ILE PRO GLN MET SER ALA SEQRES 27 A 366 PHE TRP TYR ALA VAL ARG THR ALA VAL ILE ASN ALA ALA SEQRES 28 A 366 SER GLY ARG GLN THR VAL ASP GLU ALA LEU LYS ASP ALA SEQRES 29 A 366 GLN THR HET ZN A 401 1 HET ACT A 402 4 HETNAM ZN ZINC ION HETNAM ACT ACETATE ION FORMUL 2 ZN ZN 2+ FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 HOH *246(H2 O) HELIX 1 AA1 GLY A 16 THR A 31 1 16 HELIX 2 AA2 LYS A 42 THR A 53 1 12 HELIX 3 AA3 ARG A 66 SER A 73 1 8 HELIX 4 AA4 ASP A 82 ASP A 87 1 6 HELIX 5 AA5 TYR A 90 ALA A 96 1 7 HELIX 6 AA6 GLU A 131 ALA A 141 1 11 HELIX 7 AA7 GLU A 153 ASP A 164 1 12 HELIX 8 AA8 ASN A 185 ASN A 201 1 17 HELIX 9 AA9 ASP A 209 LYS A 219 1 11 HELIX 10 AB1 GLY A 228 HIS A 230 5 3 HELIX 11 AB2 ALA A 231 LYS A 239 1 9 HELIX 12 AB3 ASN A 272 TYR A 283 1 12 HELIX 13 AB4 THR A 286 LYS A 297 1 12 HELIX 14 AB5 LEU A 304 ALA A 312 1 9 HELIX 15 AB6 ASP A 314 GLY A 327 1 14 HELIX 16 AB7 GLN A 335 GLY A 353 1 19 HELIX 17 AB8 THR A 356 THR A 366 1 11 SHEET 1 AA1 6 LYS A 34 GLU A 38 0 SHEET 2 AA1 6 LYS A 6 TRP A 10 1 N ILE A 9 O GLU A 38 SHEET 3 AA1 6 ILE A 59 ALA A 63 1 O PHE A 61 N TRP A 10 SHEET 4 AA1 6 PHE A 258 ILE A 266 -1 O SER A 263 N TRP A 62 SHEET 5 AA1 6 TYR A 106 HIS A 111 -1 N HIS A 111 O GLY A 260 SHEET 6 AA1 6 ALA A 301 VAL A 302 -1 O ALA A 301 N VAL A 110 SHEET 1 AA2 5 LYS A 34 GLU A 38 0 SHEET 2 AA2 5 LYS A 6 TRP A 10 1 N ILE A 9 O GLU A 38 SHEET 3 AA2 5 ILE A 59 ALA A 63 1 O PHE A 61 N TRP A 10 SHEET 4 AA2 5 PHE A 258 ILE A 266 -1 O SER A 263 N TRP A 62 SHEET 5 AA2 5 GLU A 328 ILE A 329 1 O GLU A 328 N VAL A 259 SHEET 1 AA3 2 ARG A 98 TYR A 99 0 SHEET 2 AA3 2 LYS A 102 LEU A 103 -1 O LYS A 102 N TYR A 99 SHEET 1 AA4 4 SER A 145 LEU A 147 0 SHEET 2 AA4 4 THR A 222 ASN A 227 1 O ALA A 223 N SER A 145 SHEET 3 AA4 4 SER A 114 ASN A 118 -1 N ASN A 118 O ALA A 223 SHEET 4 AA4 4 TYR A 242 THR A 245 -1 O THR A 245 N LEU A 115 SHEET 1 AA5 2 TYR A 167 GLU A 172 0 SHEET 2 AA5 2 LYS A 175 GLY A 182 -1 O ASP A 177 N LYS A 170 SHEET 1 AA6 2 THR A 249 PHE A 250 0 SHEET 2 AA6 2 GLN A 253 PRO A 254 -1 O GLN A 253 N PHE A 250 LINK NE2AHIS A 111 ZN ZN A 401 1555 1555 2.29 LINK NE2 HIS A 230 ZN ZN A 401 1555 1555 2.29 LINK ZN ZN A 401 O HOH A 723 1555 1555 2.50 CRYST1 43.834 68.501 57.923 90.00 100.79 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 0.022813 0.000000 0.004348 0.00000 SCALE2 0.000000 0.014598 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017575 0.00000