HEADER BIOSYNTHETIC PROTEIN 31-DEC-17 6C0G TITLE LYSINOALANINE SYNTHASE, DURN, FROM DURAMYCIN BIOSYNTHESIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: LYSINOALANINE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES CINNAMONEUS; SOURCE 3 ORGANISM_TAXID: 53446; SOURCE 4 ATCC: 12686; SOURCE 5 GENE: DURN; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET28A-MBP KEYWDS LYSINOALANINE SYNTHASE, MICHAEL ADDITION, BIOSYNTHETIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.P.COGAN,S.K.NAIR REVDAT 4 13-MAR-24 6C0G 1 LINK REVDAT 3 03-OCT-18 6C0G 1 JRNL REVDAT 2 19-SEP-18 6C0G 1 JRNL REVDAT 1 05-SEP-18 6C0G 0 JRNL AUTH L.AN,D.P.COGAN,C.D.NAVO,G.JIMENEZ-OSES,S.K.NAIR, JRNL AUTH 2 W.A.VAN DER DONK JRNL TITL SUBSTRATE-ASSISTED ENZYMATIC FORMATION OF LYSINOALANINE IN JRNL TITL 2 DURAMYCIN. JRNL REF NAT. CHEM. BIOL. V. 14 928 2018 JRNL REFN ESSN 1552-4469 JRNL PMID 30177849 JRNL DOI 10.1038/S41589-018-0122-4 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.64 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 14215 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.219 REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.230 REMARK 3 FREE R VALUE TEST SET COUNT : 743 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 53.6517 - 3.6683 1.00 2868 159 0.1855 0.2186 REMARK 3 2 3.6683 - 2.9117 1.00 2717 130 0.2352 0.2576 REMARK 3 3 2.9117 - 2.5436 1.00 2664 150 0.2578 0.3279 REMARK 3 4 2.5436 - 2.3110 1.00 2629 149 0.2539 0.3407 REMARK 3 5 2.3110 - 2.1454 1.00 2594 155 0.2763 0.3658 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.410 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 : 0.009 1777 REMARK 3 ANGLE : 1.160 2426 REMARK 3 CHIRALITY : 0.043 295 REMARK 3 PLANARITY : 0.007 310 REMARK 3 DIHEDRAL : 14.463 664 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 6C0G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JAN-18. REMARK 100 THE DEPOSITION ID IS D_1000231885. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-FEB-17 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 : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97872 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 329517 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.145 REMARK 200 RESOLUTION RANGE LOW (A) : 146.890 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 23.00 REMARK 200 R MERGE (I) : 0.10100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 24.20 REMARK 200 R MERGE FOR SHELL (I) : 1.73600 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 3350, 0.2 M MAGNESIUM REMARK 280 CHLORIDE, 0.1 M BIS-TRIS PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 73.44450 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.80650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.80650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 36.72225 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.80650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.80650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 110.16675 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.80650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.80650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 36.72225 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.80650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.80650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 110.16675 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 73.44450 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11370 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 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 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 0.000000 -1.000000 0.000000 57.61300 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 57.61300 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 73.44450 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 301 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 305 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 SER A -1 REMARK 465 GLY A 0 REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 SER A 3 REMARK 465 ALA A 4 REMARK 465 LYS A 5 REMARK 465 SER B -1 REMARK 465 GLY B 0 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 SER B 3 REMARK 465 ALA B 4 REMARK 465 LYS B 5 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 HIS A 61 CG ND1 CD2 CE1 NE2 REMARK 470 PHE A 63 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 66 CG CD CE NZ REMARK 470 GLU A 76 CG CD OE1 OE2 REMARK 470 LYS A 103 CG CD CE NZ REMARK 470 ASP B 14 CG OD1 OD2 REMARK 470 PHE B 63 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLU B 76 CG CD OE1 OE2 REMARK 470 GLU B 81 CG CD OE1 OE2 REMARK 470 GLU B 93 CG CD OE1 OE2 REMARK 470 ARG B 116 CG CD NE CZ NH1 NH2 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 GLN B 11 114.71 -170.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TYR B 10 GLN B 11 -142.51 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 K B 201 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 26 O REMARK 620 2 SER A 27 O 77.9 REMARK 620 3 LEU A 29 O 87.5 91.9 REMARK 620 4 ALA B 42 O 126.7 57.4 68.3 REMARK 620 5 LEU B 43 O 131.0 57.2 76.3 8.1 REMARK 620 6 LEU B 45 O 131.6 59.5 73.0 5.8 3.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 201 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 42 O REMARK 620 2 LEU A 43 O 77.5 REMARK 620 3 LEU A 45 O 94.4 79.7 REMARK 620 4 CYS B 26 O 60.1 59.2 134.4 REMARK 620 5 SER B 27 O 61.0 59.0 134.5 0.9 REMARK 620 6 LEU B 29 O 57.4 58.4 132.3 2.8 3.6 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 K A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K B 201 DBREF 6C0G A -1 119 PDB 6C0G 6C0G -1 119 DBREF 6C0G B -1 119 PDB 6C0G 6C0G -1 119 SEQRES 1 A 121 SER GLY MET LYS SER ALA LYS GLU PRO THR ILE TYR GLN SEQRES 2 A 121 ASP VAL ASP ILE ILE ARG ARG ILE GLN GLU LEU MET VAL SEQRES 3 A 121 LEU CYS SER LEU LEU PRO PRO ASP GLY LYS LEU ARG GLU SEQRES 4 A 121 ALA LEU GLU LEU ALA LEU ALA LEU HIS GLU GLU PRO ALA SEQRES 5 A 121 LEU ALA ARG ILE THR PRO LEU THR ASN LEU HIS PRO PHE SEQRES 6 A 121 ALA THR LYS ALA TRP LEU GLU THR LEU TRP LEU GLY GLU SEQRES 7 A 121 GLY VAL SER SER GLU GLU LYS GLU LEU VAL ALA TRP GLN SEQRES 8 A 121 ASN LYS SER GLU ASN MET GLY PRO ALA ILE ARG GLU LEU SEQRES 9 A 121 LYS ASN ALA GLU GLN GLN SER GLY ILE THR LEU VAL ALA SEQRES 10 A 121 ARG LEU THR SER SEQRES 1 B 121 SER GLY MET LYS SER ALA LYS GLU PRO THR ILE TYR GLN SEQRES 2 B 121 ASP VAL ASP ILE ILE ARG ARG ILE GLN GLU LEU MET VAL SEQRES 3 B 121 LEU CYS SER LEU LEU PRO PRO ASP GLY LYS LEU ARG GLU SEQRES 4 B 121 ALA LEU GLU LEU ALA LEU ALA LEU HIS GLU GLU PRO ALA SEQRES 5 B 121 LEU ALA ARG ILE THR PRO LEU THR ASN LEU HIS PRO PHE SEQRES 6 B 121 ALA THR LYS ALA TRP LEU GLU THR LEU TRP LEU GLY GLU SEQRES 7 B 121 GLY VAL SER SER GLU GLU LYS GLU LEU VAL ALA TRP GLN SEQRES 8 B 121 ASN LYS SER GLU ASN MET GLY PRO ALA ILE ARG GLU LEU SEQRES 9 B 121 LYS ASN ALA GLU GLN GLN SER GLY ILE THR LEU VAL ALA SEQRES 10 B 121 ARG LEU THR SER HET K A 201 1 HET K B 201 1 HETNAM K POTASSIUM ION FORMUL 3 K 2(K 1+) FORMUL 5 HOH *55(H2 O) HELIX 1 AA1 ASP A 12 LEU A 28 1 17 HELIX 2 AA2 GLY A 33 LEU A 45 1 13 HELIX 3 AA3 HIS A 46 ILE A 54 1 9 HELIX 4 AA4 HIS A 61 GLY A 75 1 15 HELIX 5 AA5 SER A 79 GLN A 89 1 11 HELIX 6 AA6 LYS A 91 GLY A 110 1 20 HELIX 7 AA7 ASP B 12 LEU B 28 1 17 HELIX 8 AA8 GLY B 33 LEU B 45 1 13 HELIX 9 AA9 GLU B 47 ILE B 54 1 8 HELIX 10 AB1 HIS B 61 GLY B 75 1 15 HELIX 11 AB2 SER B 79 ASN B 90 1 12 HELIX 12 AB3 LYS B 91 GLY B 110 1 20 LINK O CYS A 26 K K B 201 1555 8665 2.90 LINK O SER A 27 K K B 201 1555 8665 3.11 LINK O LEU A 29 K K B 201 1555 8665 2.64 LINK O ALA A 42 K K A 201 1555 1555 2.71 LINK O LEU A 43 K K A 201 1555 1555 2.84 LINK O LEU A 45 K K A 201 1555 1555 2.85 LINK K K A 201 O CYS B 26 8665 1555 2.73 LINK K K A 201 O SER B 27 8665 1555 3.00 LINK K K A 201 O LEU B 29 8665 1555 2.58 LINK O ALA B 42 K K B 201 1555 1555 2.77 LINK O LEU B 43 K K B 201 1555 1555 2.94 LINK O LEU B 45 K K B 201 1555 1555 2.75 SITE 1 AC1 6 ALA A 42 LEU A 43 LEU A 45 CYS B 26 SITE 2 AC1 6 SER B 27 LEU B 29 SITE 1 AC2 6 CYS A 26 SER A 27 LEU A 29 ALA B 42 SITE 2 AC2 6 LEU B 43 LEU B 45 CRYST1 57.613 57.613 146.889 90.00 90.00 90.00 P 41 21 2 16 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 0.017357 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017357 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006808 0.00000