HEADER HYDROLASE 15-JUN-21 7N8K TITLE LINE-1 ENDONUCLEASE DOMAIN COMPLEX WITH MG COMPND MOL_ID: 1; COMPND 2 MOLECULE: LINE-1 RETROTRANSPOSABLE ELEMENT ORF2 PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ORF2P; COMPND 5 EC: 2.7.7.49,3.1.21.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ENDONUCLEASE, NON-LTR RETROTRANSPOSON, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.KOROLEV,I.MILLER REVDAT 3 18-OCT-23 7N8K 1 REMARK REVDAT 2 17-NOV-21 7N8K 1 JRNL REVDAT 1 13-OCT-21 7N8K 0 JRNL AUTH I.MILLER,M.TOTROV,L.KOROTCHKINA,D.N.KAZYULKIN,A.V.GUDKOV, JRNL AUTH 2 S.KOROLEV JRNL TITL STRUCTURAL DISSECTION OF SEQUENCE RECOGNITION AND CATALYTIC JRNL TITL 2 MECHANISM OF HUMAN LINE-1 ENDONUCLEASE. JRNL REF NUCLEIC ACIDS RES. V. 49 11350 2021 JRNL REFN ESSN 1362-4962 JRNL PMID 34554261 JRNL DOI 10.1093/NAR/GKAB826 REMARK 2 REMARK 2 RESOLUTION. 2.01 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.16_3549 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) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.30 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 30956 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.195 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.450 REMARK 3 FREE R VALUE TEST SET COUNT : 1997 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 33.3000 - 4.8300 1.00 2131 148 0.1946 0.2043 REMARK 3 2 4.8300 - 3.8400 1.00 2111 145 0.1588 0.2226 REMARK 3 3 3.8400 - 3.3500 1.00 2100 139 0.1744 0.2129 REMARK 3 4 3.3500 - 3.0500 0.99 2089 151 0.1796 0.2302 REMARK 3 5 3.0500 - 2.8300 0.99 2084 139 0.1937 0.2469 REMARK 3 6 2.8300 - 2.6600 0.99 2078 144 0.2036 0.2506 REMARK 3 7 2.6600 - 2.5300 0.99 2083 150 0.2031 0.2606 REMARK 3 8 2.5300 - 2.4200 0.98 2097 140 0.2028 0.2529 REMARK 3 9 2.4200 - 2.3300 0.98 2045 137 0.2008 0.2820 REMARK 3 10 2.3300 - 2.2500 0.98 2025 150 0.2147 0.2522 REMARK 3 11 2.2500 - 2.1800 0.97 2078 139 0.2239 0.2773 REMARK 3 12 2.1800 - 2.1100 0.97 2025 135 0.2272 0.2575 REMARK 3 13 2.1100 - 2.0600 0.97 2045 138 0.2446 0.2418 REMARK 3 14 2.0600 - 2.0100 0.94 1968 142 0.2667 0.3091 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) : 0.206 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.090 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.32 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.53 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 : 0.008 3845 REMARK 3 ANGLE : 1.099 5189 REMARK 3 CHIRALITY : 0.053 595 REMARK 3 PLANARITY : 0.004 648 REMARK 3 DIHEDRAL : 3.464 2346 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 7N8K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-21. REMARK 100 THE DEPOSITION ID IS D_1000257542. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-JUL-19 REMARK 200 TEMPERATURE (KELVIN) : 180 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30980 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.010 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.75000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.540 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 1VYB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M LISO4; 26% PEG 2000 MME, PH 6.0, REMARK 280 EVAPORATION, TEMPERATURE 298K 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 63.38800 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 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 MET A 1 REMARK 465 THR A 2 REMARK 465 GLY A 3 REMARK 465 SER A 4 REMARK 465 ASN A 5 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 GLY B 3 REMARK 465 SER B 4 REMARK 465 ASN B 5 REMARK 465 SER B 6 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OG SER A 138 O HOH A 401 2.10 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 ARG A 53 CG - CD - NE ANGL. DEV. = -19.3 DEGREES REMARK 500 LYS B 93 CA - CB - CG ANGL. DEV. = -17.1 DEGREES REMARK 500 LYS B 93 CD - CE - NZ ANGL. DEV. = 21.3 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 ALA A 72 -134.37 50.83 REMARK 500 GLN A 105 46.14 36.57 REMARK 500 ALA B 72 -135.74 50.02 REMARK 500 GLN B 105 48.89 39.72 REMARK 500 GLN B 106 19.67 59.28 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 MG A 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 43 OE1 REMARK 620 2 HOH A 430 O 171.7 REMARK 620 3 HOH A 445 O 86.5 87.7 REMARK 620 4 HOH A 475 O 87.2 98.9 173.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 43 OE1 REMARK 620 2 HOH B 406 O 97.1 REMARK 620 3 HOH B 437 O 152.6 57.5 REMARK 620 4 HOH B 465 O 91.5 90.4 79.7 REMARK 620 5 HOH B 491 O 100.0 68.6 81.0 157.0 REMARK 620 6 HOH B 518 O 117.9 144.4 88.9 94.9 97.1 REMARK 620 N 1 2 3 4 5 DBREF 7N8K A 1 238 UNP O00370 LORF2_HUMAN 1 238 DBREF 7N8K B 1 238 UNP O00370 LORF2_HUMAN 1 238 SEQADV 7N8K ILE A 15 UNP O00370 VAL 15 CONFLICT SEQADV 7N8K ALA A 21 UNP O00370 PRO 21 CONFLICT SEQADV 7N8K THR A 152 UNP O00370 ILE 152 CONFLICT SEQADV 7N8K ALA A 175 UNP O00370 THR 175 CONFLICT SEQADV 7N8K ILE B 15 UNP O00370 VAL 15 CONFLICT SEQADV 7N8K ALA B 21 UNP O00370 PRO 21 CONFLICT SEQADV 7N8K THR B 152 UNP O00370 ILE 152 CONFLICT SEQADV 7N8K ALA B 175 UNP O00370 THR 175 CONFLICT SEQRES 1 A 238 MET THR GLY SER ASN SER HIS ILE THR ILE LEU THR LEU SEQRES 2 A 238 ASN ILE ASN GLY LEU ASN SER ALA ILE LYS ARG HIS ARG SEQRES 3 A 238 LEU ALA SER TRP ILE LYS SER GLN ASP PRO SER VAL CYS SEQRES 4 A 238 CYS ILE GLN GLU THR HIS LEU THR CYS ARG ASP THR HIS SEQRES 5 A 238 ARG LEU LYS ILE LYS GLY TRP ARG LYS ILE TYR GLN ALA SEQRES 6 A 238 ASN GLY LYS GLN LYS LYS ALA GLY VAL ALA ILE LEU VAL SEQRES 7 A 238 SER ASP LYS THR ASP PHE LYS PRO THR LYS ILE LYS ARG SEQRES 8 A 238 ASP LYS GLU GLY HIS TYR ILE MET VAL LYS GLY SER ILE SEQRES 9 A 238 GLN GLN GLU GLU LEU THR ILE LEU ASN ILE TYR ALA PRO SEQRES 10 A 238 ASN THR GLY ALA PRO ARG PHE ILE LYS GLN VAL LEU SER SEQRES 11 A 238 ASP LEU GLN ARG ASP LEU ASP SER HIS THR LEU ILE MET SEQRES 12 A 238 GLY ASP PHE ASN THR PRO LEU SER THR LEU ASP ARG SER SEQRES 13 A 238 THR ARG GLN LYS VAL ASN LYS ASP THR GLN GLU LEU ASN SEQRES 14 A 238 SER ALA LEU HIS GLN ALA ASP LEU ILE ASP ILE TYR ARG SEQRES 15 A 238 THR LEU HIS PRO LYS SER THR GLU TYR THR PHE PHE SER SEQRES 16 A 238 ALA PRO HIS HIS THR TYR SER LYS ILE ASP HIS ILE VAL SEQRES 17 A 238 GLY SER LYS ALA LEU LEU SER LYS CYS LYS ARG THR GLU SEQRES 18 A 238 ILE ILE THR ASN TYR LEU SER ASP HIS SER ALA ILE LYS SEQRES 19 A 238 LEU GLU LEU ARG SEQRES 1 B 238 MET THR GLY SER ASN SER HIS ILE THR ILE LEU THR LEU SEQRES 2 B 238 ASN ILE ASN GLY LEU ASN SER ALA ILE LYS ARG HIS ARG SEQRES 3 B 238 LEU ALA SER TRP ILE LYS SER GLN ASP PRO SER VAL CYS SEQRES 4 B 238 CYS ILE GLN GLU THR HIS LEU THR CYS ARG ASP THR HIS SEQRES 5 B 238 ARG LEU LYS ILE LYS GLY TRP ARG LYS ILE TYR GLN ALA SEQRES 6 B 238 ASN GLY LYS GLN LYS LYS ALA GLY VAL ALA ILE LEU VAL SEQRES 7 B 238 SER ASP LYS THR ASP PHE LYS PRO THR LYS ILE LYS ARG SEQRES 8 B 238 ASP LYS GLU GLY HIS TYR ILE MET VAL LYS GLY SER ILE SEQRES 9 B 238 GLN GLN GLU GLU LEU THR ILE LEU ASN ILE TYR ALA PRO SEQRES 10 B 238 ASN THR GLY ALA PRO ARG PHE ILE LYS GLN VAL LEU SER SEQRES 11 B 238 ASP LEU GLN ARG ASP LEU ASP SER HIS THR LEU ILE MET SEQRES 12 B 238 GLY ASP PHE ASN THR PRO LEU SER THR LEU ASP ARG SER SEQRES 13 B 238 THR ARG GLN LYS VAL ASN LYS ASP THR GLN GLU LEU ASN SEQRES 14 B 238 SER ALA LEU HIS GLN ALA ASP LEU ILE ASP ILE TYR ARG SEQRES 15 B 238 THR LEU HIS PRO LYS SER THR GLU TYR THR PHE PHE SER SEQRES 16 B 238 ALA PRO HIS HIS THR TYR SER LYS ILE ASP HIS ILE VAL SEQRES 17 B 238 GLY SER LYS ALA LEU LEU SER LYS CYS LYS ARG THR GLU SEQRES 18 B 238 ILE ILE THR ASN TYR LEU SER ASP HIS SER ALA ILE LYS SEQRES 19 B 238 LEU GLU LEU ARG HET MG A 301 1 HET ACT A 302 4 HET SO4 A 303 5 HET ACT A 304 4 HET ACT A 305 4 HET SO4 A 306 5 HET SO4 A 307 5 HET MG B 301 1 HET SO4 B 302 5 HET SO4 B 303 5 HET SO4 B 304 5 HET SO4 B 305 5 HETNAM MG MAGNESIUM ION HETNAM ACT ACETATE ION HETNAM SO4 SULFATE ION FORMUL 3 MG 2(MG 2+) FORMUL 4 ACT 3(C2 H3 O2 1-) FORMUL 5 SO4 7(O4 S 2-) FORMUL 15 HOH *256(H2 O) HELIX 1 AA1 SER A 20 ASP A 35 1 16 HELIX 2 AA2 ASP A 50 LEU A 54 5 5 HELIX 3 AA3 GLY A 120 LEU A 132 1 13 HELIX 4 AA4 GLN A 133 LEU A 136 5 4 HELIX 5 AA5 SER A 151 ARG A 155 5 5 HELIX 6 AA6 ASN A 162 ALA A 175 1 14 HELIX 7 AA7 ILE A 180 HIS A 185 1 6 HELIX 8 AA8 ALA A 212 SER A 215 5 4 HELIX 9 AA9 SER B 20 ASP B 35 1 16 HELIX 10 AB1 THR B 47 LEU B 54 5 8 HELIX 11 AB2 GLY B 120 LEU B 132 1 13 HELIX 12 AB3 GLN B 133 LEU B 136 5 4 HELIX 13 AB4 SER B 151 ARG B 155 5 5 HELIX 14 AB5 ASN B 162 ALA B 175 1 14 HELIX 15 AB6 ILE B 180 HIS B 185 1 6 HELIX 16 AB7 ALA B 212 SER B 215 5 4 SHEET 1 AA1 6 LYS A 61 ALA A 65 0 SHEET 2 AA1 6 VAL A 74 VAL A 78 -1 O ILE A 76 N TYR A 63 SHEET 3 AA1 6 VAL A 38 GLN A 42 -1 N ILE A 41 O ALA A 75 SHEET 4 AA1 6 ILE A 8 ASN A 14 1 N LEU A 11 O CYS A 40 SHEET 5 AA1 6 ALA A 232 LEU A 237 -1 O LEU A 237 N ILE A 8 SHEET 6 AA1 6 CYS A 217 ILE A 223 -1 N ARG A 219 O GLU A 236 SHEET 1 AA2 6 PHE A 84 ARG A 91 0 SHEET 2 AA2 6 TYR A 97 ILE A 104 -1 O LYS A 101 N LYS A 88 SHEET 3 AA2 6 GLU A 107 TYR A 115 -1 O LEU A 109 N GLY A 102 SHEET 4 AA2 6 THR A 140 ASP A 145 1 O LEU A 141 N THR A 110 SHEET 5 AA2 6 ASP A 205 SER A 210 -1 O VAL A 208 N ILE A 142 SHEET 6 AA2 6 LEU A 177 ASP A 179 -1 N ILE A 178 O GLY A 209 SHEET 1 AA3 2 PHE A 193 SER A 195 0 SHEET 2 AA3 2 THR A 200 SER A 202 -1 O THR A 200 N SER A 195 SHEET 1 AA4 6 LYS B 61 ALA B 65 0 SHEET 2 AA4 6 VAL B 74 VAL B 78 -1 O ILE B 76 N TYR B 63 SHEET 3 AA4 6 VAL B 38 GLN B 42 -1 N ILE B 41 O ALA B 75 SHEET 4 AA4 6 ILE B 8 ASN B 14 1 N LEU B 11 O CYS B 40 SHEET 5 AA4 6 ALA B 232 LEU B 237 -1 O LEU B 237 N ILE B 8 SHEET 6 AA4 6 CYS B 217 ILE B 223 -1 N ARG B 219 O GLU B 236 SHEET 1 AA5 6 PHE B 84 ARG B 91 0 SHEET 2 AA5 6 TYR B 97 ILE B 104 -1 O LYS B 101 N THR B 87 SHEET 3 AA5 6 GLU B 107 TYR B 115 -1 O GLU B 107 N ILE B 104 SHEET 4 AA5 6 THR B 140 ASP B 145 1 O LEU B 141 N THR B 110 SHEET 5 AA5 6 ASP B 205 SER B 210 -1 O VAL B 208 N ILE B 142 SHEET 6 AA5 6 LEU B 177 ASP B 179 -1 N ILE B 178 O GLY B 209 SHEET 1 AA6 2 PHE B 193 SER B 195 0 SHEET 2 AA6 2 THR B 200 SER B 202 -1 O THR B 200 N SER B 195 LINK OE1 GLU A 43 MG MG A 301 1555 1555 2.20 LINK MG MG A 301 O HOH A 430 1555 1555 2.16 LINK MG MG A 301 O HOH A 445 1555 1555 2.18 LINK MG MG A 301 O HOH A 475 1555 1555 2.01 LINK OE1 GLU B 43 MG MG B 301 1555 1555 2.06 LINK MG MG B 301 O HOH B 406 1555 1555 2.06 LINK MG MG B 301 O HOH B 437 1555 1555 2.82 LINK MG MG B 301 O HOH B 465 1555 1555 2.09 LINK MG MG B 301 O HOH B 491 1555 1555 1.99 LINK MG MG B 301 O HOH B 518 1555 1555 2.10 CRYST1 42.857 126.776 44.854 90.00 98.94 90.00 P 1 21 1 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 0.023333 0.000000 0.003672 0.00000 SCALE2 0.000000 0.007888 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022569 0.00000