HEADER RNA BINDING PROTEIN/RNA 11-APR-18 6D12 TITLE CRYSTAL STRUCTURE OF C-TERMINAL XRRM DOMAIN OF HUMAN LARP7 BOUND TO TITLE 2 7SK STEM-LOOP 4 RNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: LA-RELATED PROTEIN 7; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RNA BINDING DOMAIN; COMPND 5 SYNONYM: LA RIBONUCLEOPROTEIN DOMAIN FAMILY MEMBER 7,P-TEFB- COMPND 6 INTERACTION PROTEIN FOR 7SK STABILITY,PIP7S; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: HUMAN 7SK RNA STEM-LOOP 4; COMPND 11 CHAIN: C; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: LARP7, HDCMA18P; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PETXA/LIC; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_TAXID: 9606 KEYWDS RNA RECOGNITION MOTIF, RRM, RNA APICAL LOOP, RNA BINDING PROTEIN-RNA KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.D.EICHHORN,D.CASCIO,M.R.SAWAYA,J.FEIGON REVDAT 5 15-JAN-20 6D12 1 REMARK REVDAT 4 18-DEC-19 6D12 1 REMARK REVDAT 3 25-JUL-18 6D12 1 JRNL REVDAT 2 11-JUL-18 6D12 1 JRNL REVDAT 1 27-JUN-18 6D12 0 JRNL AUTH C.D.EICHHORN,Y.YANG,L.REPETA,J.FEIGON JRNL TITL STRUCTURAL BASIS FOR RECOGNITION OF HUMAN 7SK LONG NONCODING JRNL TITL 2 RNA BY THE LA-RELATED PROTEIN LARP7. JRNL REF PROC. NATL. ACAD. SCI. V. 115 E6457 2018 JRNL REF 2 U.S.A. JRNL REFN ESSN 1091-6490 JRNL PMID 29946027 JRNL DOI 10.1073/PNAS.1806276115 REMARK 2 REMARK 2 RESOLUTION. 2.21 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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) : 2.21 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 94.62 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.5 REMARK 3 NUMBER OF REFLECTIONS : 14297 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.230 REMARK 3 R VALUE (WORKING SET) : 0.228 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.030 REMARK 3 FREE R VALUE TEST SET COUNT : 719 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 94.7089 - 3.7704 1.00 3075 170 0.1962 0.2174 REMARK 3 2 3.7704 - 2.9926 1.00 3006 153 0.2166 0.2667 REMARK 3 3 2.9926 - 2.6143 1.00 2981 158 0.2759 0.3328 REMARK 3 4 2.6143 - 2.3752 1.00 2957 159 0.2929 0.3540 REMARK 3 5 2.3752 - 2.2050 0.53 1559 79 0.2719 0.3614 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) : 0.320 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.230 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.16 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.29 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 2501 REMARK 3 ANGLE : 0.999 3580 REMARK 3 CHIRALITY : 0.056 440 REMARK 3 PLANARITY : 0.007 313 REMARK 3 DIHEDRAL : 19.552 1030 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN 'A' AND RESID 446 THROUGH 545) REMARK 3 ORIGIN FOR THE GROUP (A): 12.7690 2.6248 19.2354 REMARK 3 T TENSOR REMARK 3 T11: 0.3943 T22: 0.1926 REMARK 3 T33: 0.2410 T12: -0.0096 REMARK 3 T13: -0.0729 T23: -0.0283 REMARK 3 L TENSOR REMARK 3 L11: 2.8531 L22: 2.9636 REMARK 3 L33: 4.2613 L12: -0.4840 REMARK 3 L13: -0.3483 L23: 0.2194 REMARK 3 S TENSOR REMARK 3 S11: -0.0800 S12: -0.2996 S13: 0.4037 REMARK 3 S21: 0.4486 S22: -0.0502 S23: -0.2972 REMARK 3 S31: -0.5500 S32: -0.0218 S33: 0.1257 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN 'B' AND RESID 446 THROUGH 548) REMARK 3 ORIGIN FOR THE GROUP (A): 3.5366 -2.2215 89.0625 REMARK 3 T TENSOR REMARK 3 T11: 0.2018 T22: 0.1944 REMARK 3 T33: 0.2075 T12: -0.0038 REMARK 3 T13: -0.0942 T23: -0.0173 REMARK 3 L TENSOR REMARK 3 L11: 3.0839 L22: 4.3921 REMARK 3 L33: 2.5587 L12: 0.2421 REMARK 3 L13: -1.1655 L23: 0.8271 REMARK 3 S TENSOR REMARK 3 S11: 0.0237 S12: 0.1400 S13: -0.0894 REMARK 3 S21: -0.2574 S22: -0.0771 S23: -0.0983 REMARK 3 S31: 0.1437 S32: -0.1274 S33: 0.0545 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN 'C' AND RESID 303 THROUGH 340) REMARK 3 ORIGIN FOR THE GROUP (A): 4.9584 0.1685 54.1811 REMARK 3 T TENSOR REMARK 3 T11: 1.6583 T22: 1.3327 REMARK 3 T33: 0.4101 T12: 0.2137 REMARK 3 T13: 0.2481 T23: -0.2467 REMARK 3 L TENSOR REMARK 3 L11: -1.5386 L22: -0.4684 REMARK 3 L33: 3.4561 L12: -0.1880 REMARK 3 L13: -1.9751 L23: 1.6573 REMARK 3 S TENSOR REMARK 3 S11: 0.0694 S12: 0.1474 S13: 0.4445 REMARK 3 S21: -1.0496 S22: 0.2099 S23: -1.1162 REMARK 3 S31: -0.3938 S32: -1.3369 S33: -0.1471 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 6D12 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000233841. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUL-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979300 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS 20170615 REMARK 200 DATA SCALING SOFTWARE : XSCALE 20170615 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15929 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 94.622 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 7.547 REMARK 200 R MERGE (I) : 0.16900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.5400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.48 REMARK 200 R MERGE FOR SHELL (I) : 1.19100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.430 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: HKL2MAP 2016/1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: RODS APPROX 20X20X50 UM REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05M NA CACODYLATE,0.08M MG ACETATE, REMARK 280 24% PEG 4000, PH 6.1, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 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 17.01500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2630 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL 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 SER A 444 REMARK 465 ASN A 445 REMARK 465 GLN A 546 REMARK 465 PRO A 547 REMARK 465 ARG A 548 REMARK 465 GLU A 549 REMARK 465 LYS A 550 REMARK 465 LYS A 551 REMARK 465 ARG A 552 REMARK 465 GLY A 553 REMARK 465 THR A 554 REMARK 465 GLU A 555 REMARK 465 LYS A 556 REMARK 465 SER B 444 REMARK 465 ASN B 445 REMARK 465 GLU B 549 REMARK 465 LYS B 550 REMARK 465 LYS B 551 REMARK 465 ARG B 552 REMARK 465 GLY B 553 REMARK 465 THR B 554 REMARK 465 GLU B 555 REMARK 465 LYS B 556 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 GLN A 450 CG CD OE1 NE2 REMARK 470 GLU A 463 CG CD OE1 OE2 REMARK 470 LYS A 469 CG CD CE NZ REMARK 470 GLN A 470 CG CD OE1 NE2 REMARK 470 LEU A 487 CG CD1 CD2 REMARK 470 GLU A 488 CG CD OE1 OE2 REMARK 470 GLU A 512 CG CD OE1 OE2 REMARK 470 LYS A 520 CE NZ REMARK 470 LEU A 537 CG CD1 CD2 REMARK 470 GLN A 541 CG CD OE1 NE2 REMARK 470 THR B 447 OG1 CG2 REMARK 470 LYS B 469 CG CD CE NZ REMARK 470 GLN B 470 CG CD OE1 NE2 REMARK 470 GLU B 480 CG CD OE1 OE2 REMARK 470 GLU B 488 CG CD OE1 OE2 REMARK 470 LYS B 520 CE NZ REMARK 470 MSE B 521 CE REMARK 470 LEU B 537 CG CD1 CD2 REMARK 470 ARG B 548 C O 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 ILE A 513 -62.23 -128.10 REMARK 500 ALA B 509 73.60 -104.02 REMARK 500 REMARK 500 REMARK: NULL DBREF 6D12 A 445 556 UNP Q4G0J3 LARP7_HUMAN 445 556 DBREF 6D12 B 445 556 UNP Q4G0J3 LARP7_HUMAN 445 556 DBREF 6D12 C 303 340 PDB 6D12 6D12 303 340 SEQADV 6D12 SER A 444 UNP Q4G0J3 EXPRESSION TAG SEQADV 6D12 MSE A 475 UNP Q4G0J3 LEU 475 ENGINEERED MUTATION SEQADV 6D12 LEU A 501 UNP Q4G0J3 GLU 501 ENGINEERED MUTATION SEQADV 6D12 LEU A 504 UNP Q4G0J3 GLN 504 ENGINEERED MUTATION SEQADV 6D12 MSE A 521 UNP Q4G0J3 LEU 521 ENGINEERED MUTATION SEQADV 6D12 SER B 444 UNP Q4G0J3 EXPRESSION TAG SEQADV 6D12 MSE B 475 UNP Q4G0J3 LEU 475 ENGINEERED MUTATION SEQADV 6D12 LEU B 501 UNP Q4G0J3 GLU 501 ENGINEERED MUTATION SEQADV 6D12 LEU B 504 UNP Q4G0J3 GLN 504 ENGINEERED MUTATION SEQADV 6D12 MSE B 521 UNP Q4G0J3 LEU 521 ENGINEERED MUTATION SEQRES 1 A 113 SER ASN ALA THR GLY PRO GLN PHE VAL SER GLY VAL ILE SEQRES 2 A 113 VAL LYS ILE ILE SER THR GLU PRO LEU PRO GLY ARG LYS SEQRES 3 A 113 GLN VAL ARG ASP THR MSE ALA ALA ILE SER GLU VAL LEU SEQRES 4 A 113 TYR VAL ASP LEU LEU GLU GLY ASP THR GLU CYS HIS ALA SEQRES 5 A 113 ARG PHE LYS THR PRO LEU ASP ALA LEU ALA VAL ILE ASN SEQRES 6 A 113 ALA TYR THR GLU ILE ASN LYS LYS HIS CYS TRP LYS MSE SEQRES 7 A 113 GLU ILE LEU SER GLY ASP HIS GLU GLN ARG TYR TRP GLN SEQRES 8 A 113 LYS ILE LEU VAL ASP ARG GLN ALA LYS LEU ASN GLN PRO SEQRES 9 A 113 ARG GLU LYS LYS ARG GLY THR GLU LYS SEQRES 1 B 113 SER ASN ALA THR GLY PRO GLN PHE VAL SER GLY VAL ILE SEQRES 2 B 113 VAL LYS ILE ILE SER THR GLU PRO LEU PRO GLY ARG LYS SEQRES 3 B 113 GLN VAL ARG ASP THR MSE ALA ALA ILE SER GLU VAL LEU SEQRES 4 B 113 TYR VAL ASP LEU LEU GLU GLY ASP THR GLU CYS HIS ALA SEQRES 5 B 113 ARG PHE LYS THR PRO LEU ASP ALA LEU ALA VAL ILE ASN SEQRES 6 B 113 ALA TYR THR GLU ILE ASN LYS LYS HIS CYS TRP LYS MSE SEQRES 7 B 113 GLU ILE LEU SER GLY ASP HIS GLU GLN ARG TYR TRP GLN SEQRES 8 B 113 LYS ILE LEU VAL ASP ARG GLN ALA LYS LEU ASN GLN PRO SEQRES 9 B 113 ARG GLU LYS LYS ARG GLY THR GLU LYS SEQRES 1 C 38 G G G C U G C A U G U G G SEQRES 2 C 38 C A G C U C G G G C U G C SEQRES 3 C 38 A U G U G G C A G C U C HET MSE A 475 8 HET MSE A 521 8 HET MSE B 475 8 HET MSE B 521 7 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 4 HOH *46(H2 O) HELIX 1 AA1 GLY A 467 ALA A 477 1 11 HELIX 2 AA2 THR A 499 ALA A 509 1 11 HELIX 3 AA3 SER A 525 ASN A 545 1 21 HELIX 4 AA4 GLY B 467 ALA B 477 1 11 HELIX 5 AA5 THR B 499 ASN B 508 1 10 HELIX 6 AA6 ILE B 513 CYS B 518 1 6 HELIX 7 AA7 SER B 525 ASN B 545 1 21 SHEET 1 AA1 4 VAL A 481 ASP A 485 0 SHEET 2 AA1 4 GLU A 492 PHE A 497 -1 O ARG A 496 N LEU A 482 SHEET 3 AA1 4 ILE A 456 SER A 461 -1 N ILE A 459 O CYS A 493 SHEET 4 AA1 4 TRP A 519 ILE A 523 -1 O GLU A 522 N LYS A 458 SHEET 1 AA2 4 VAL B 481 ASP B 485 0 SHEET 2 AA2 4 GLU B 492 PHE B 497 -1 O HIS B 494 N ASP B 485 SHEET 3 AA2 4 ILE B 456 SER B 461 -1 N ILE B 459 O CYS B 493 SHEET 4 AA2 4 TRP B 519 ILE B 523 -1 O LYS B 520 N ILE B 460 LINK C THR A 474 N MSE A 475 1555 1555 1.32 LINK C MSE A 475 N ALA A 476 1555 1555 1.34 LINK C LYS A 520 N MSE A 521 1555 1555 1.32 LINK C MSE A 521 N GLU A 522 1555 1555 1.33 LINK C THR B 474 N MSE B 475 1555 1555 1.33 LINK C MSE B 475 N ALA B 476 1555 1555 1.33 LINK C LYS B 520 N MSE B 521 1555 1555 1.32 LINK C MSE B 521 N GLU B 522 1555 1555 1.33 CRYST1 47.910 34.030 95.010 90.00 95.18 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 0.020872 0.000000 0.001893 0.00000 SCALE2 0.000000 0.029386 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010568 0.00000