HEADER TRANSPORT PROTEIN 22-JUN-21 7R6H TITLE RHCC IN COMPLEX WITH O-CARBORANE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TETRABRACHION; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: UNP RESIDUES 1238-1287; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOTHERMUS MARINUS; SOURCE 3 ORGANISM_TAXID: 2280; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693 KEYWDS RIGHT-HANDED COILED COIL, CARBORANE, NANOTUBE, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.HEIDE,M.MCDOUGALL,J.STETEFELD REVDAT 3 18-OCT-23 7R6H 1 REMARK REVDAT 2 19-JAN-22 7R6H 1 JRNL REVDAT 1 07-JUL-21 7R6H 0 JRNL AUTH F.HEIDE,M.MCDOUGALL,C.HARDER-VIDDAL,R.ROSHKO,D.DAVIDSON, JRNL AUTH 2 J.WU,C.APROSOFF,A.MOYA-TORRES,F.LIN,J.STETEFELD JRNL TITL BORON RICH NANOTUBE DRUG CARRIER SYSTEM IS SUITED FOR BORON JRNL TITL 2 NEUTRON CAPTURE THERAPY. JRNL REF SCI REP V. 11 15520 2021 JRNL REFN ESSN 2045-2322 JRNL PMID 34330984 JRNL DOI 10.1038/S41598-021-95044-0 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2-4158_4158 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.69 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 20578 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.225 REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1502 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 18.6900 - 4.8700 0.98 1706 150 0.2411 0.2803 REMARK 3 2 4.8700 - 3.8700 0.98 1737 123 0.1779 0.2148 REMARK 3 3 3.8700 - 3.3900 0.98 1758 112 0.2072 0.2349 REMARK 3 4 3.3900 - 3.0800 0.98 1703 128 0.2423 0.2672 REMARK 3 5 3.0800 - 2.8600 0.98 1694 141 0.2283 0.2796 REMARK 3 6 2.8600 - 2.6900 0.99 1765 144 0.2422 0.3085 REMARK 3 7 2.6900 - 2.5600 0.99 1714 148 0.2192 0.2357 REMARK 3 8 2.5600 - 2.4500 0.99 1737 138 0.2231 0.2867 REMARK 3 9 2.4500 - 2.3500 0.99 1748 147 0.2394 0.2862 REMARK 3 10 2.3500 - 2.2700 0.99 1744 134 0.2509 0.3601 REMARK 3 11 2.2700 - 2.2000 0.99 1770 137 0.2498 0.2659 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) : 0.179 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.092 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.23 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 : 0.003 1720 REMARK 3 ANGLE : 0.389 2577 REMARK 3 CHIRALITY : 0.034 293 REMARK 3 PLANARITY : 0.005 281 REMARK 3 DIHEDRAL : 5.201 249 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 52 ) REMARK 3 ORIGIN FOR THE GROUP (A): 15.5277 -5.7249 16.1017 REMARK 3 T TENSOR REMARK 3 T11: 0.1783 T22: 0.7343 REMARK 3 T33: 0.1164 T12: 0.0002 REMARK 3 T13: 0.0030 T23: -0.0049 REMARK 3 L TENSOR REMARK 3 L11: 2.1868 L22: 0.5080 REMARK 3 L33: 2.9674 L12: -0.8790 REMARK 3 L13: -2.5076 L23: 1.1349 REMARK 3 S TENSOR REMARK 3 S11: -0.1054 S12: -0.2342 S13: -0.0325 REMARK 3 S21: 0.1737 S22: 0.1239 S23: -0.0347 REMARK 3 S31: 0.3306 S32: 0.0347 S33: 0.0341 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 2 THROUGH 52 ) REMARK 3 ORIGIN FOR THE GROUP (A): 9.3409 -3.0635 7.8771 REMARK 3 T TENSOR REMARK 3 T11: 0.1528 T22: 0.7336 REMARK 3 T33: 0.1234 T12: -0.0470 REMARK 3 T13: -0.0546 T23: -0.0703 REMARK 3 L TENSOR REMARK 3 L11: 1.0077 L22: 0.3712 REMARK 3 L33: 0.9739 L12: 0.1650 REMARK 3 L13: -0.1135 L23: -0.0215 REMARK 3 S TENSOR REMARK 3 S11: 0.0405 S12: -0.1426 S13: -0.0827 REMARK 3 S21: 0.0980 S22: -0.0066 S23: -0.0228 REMARK 3 S31: 0.1298 S32: -0.1712 S33: -0.1101 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'C' AND (RESID 3 THROUGH 52 ) REMARK 3 ORIGIN FOR THE GROUP (A): 13.4633 6.6592 7.9658 REMARK 3 T TENSOR REMARK 3 T11: 0.1701 T22: 0.5490 REMARK 3 T33: 0.2019 T12: 0.0634 REMARK 3 T13: 0.0239 T23: -0.0314 REMARK 3 L TENSOR REMARK 3 L11: 6.3256 L22: 1.0065 REMARK 3 L33: 3.9292 L12: -0.7967 REMARK 3 L13: -4.6051 L23: 0.5266 REMARK 3 S TENSOR REMARK 3 S11: 0.2917 S12: 0.2617 S13: 0.7026 REMARK 3 S21: -0.0596 S22: 0.0307 S23: 0.0487 REMARK 3 S31: -0.4978 S32: -0.3483 S33: -0.3155 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'D' AND (RESID 1 THROUGH 52 ) REMARK 3 ORIGIN FOR THE GROUP (A): 19.1888 4.0086 16.2642 REMARK 3 T TENSOR REMARK 3 T11: 0.1983 T22: 0.6136 REMARK 3 T33: 0.1144 T12: -0.0269 REMARK 3 T13: 0.0018 T23: -0.0865 REMARK 3 L TENSOR REMARK 3 L11: 3.9626 L22: 1.1229 REMARK 3 L33: 3.3033 L12: -0.7533 REMARK 3 L13: -3.0068 L23: 0.4769 REMARK 3 S TENSOR REMARK 3 S11: 0.2307 S12: -0.1014 S13: 0.2765 REMARK 3 S21: 0.1354 S22: -0.0327 S23: -0.0533 REMARK 3 S31: -0.3460 S32: -0.0047 S33: -0.1303 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 7R6H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUN-21. REMARK 100 THE DEPOSITION ID IS D_1000257573. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-OCT-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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) : 1.5418 REMARK 200 MONOCHROMATOR : M REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22224 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 18.690 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.2000 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) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 5.60 REMARK 200 R MERGE FOR SHELL (I) : 0.17100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.000 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: PDB ENTRY 1YBK REMARK 200 REMARK 200 REMARK: ROD-SHAPED CRYSTALS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.27 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M AMMONIUM ACETATE, 0.05 M SODIUM REMARK 280 CACODYLATE TRIHYDRATE, 10% V/V 2-PROPANOL, 0.015 M MAGNESIUM REMARK 280 ACETATE TETRAHYDRATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 17.22500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.11500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.96000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.11500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 17.22500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.96000 REMARK 290 SMTRY3 4 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9440 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLY B 1 REMARK 465 GLY C 1 REMARK 465 SER C 2 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 SER B 2 CB OG REMARK 470 MET B 39 CG SD CE REMARK 470 ILE C 3 CG1 CG2 CD1 REMARK 470 ASN C 5 CG OD1 ND2 REMARK 470 GLU C 6 CG CD OE1 OE2 REMARK 470 SER D 2 CB OG REMARK 470 GLU D 6 CG CD OE1 OE2 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 NH2 ARG C 36 OE1 GLU D 38 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD1 ASP A 21 ND2 ASN D 5 3545 2.10 REMARK 500 REMARK 500 REMARK: NULL DBREF 7R6H A 3 52 UNP Q54436 Q54436_STAMA 1238 1287 DBREF 7R6H B 3 52 UNP Q54436 Q54436_STAMA 1238 1287 DBREF 7R6H C 3 52 UNP Q54436 Q54436_STAMA 1238 1287 DBREF 7R6H D 3 52 UNP Q54436 Q54436_STAMA 1238 1287 SEQADV 7R6H GLY A 1 UNP Q54436 EXPRESSION TAG SEQADV 7R6H SER A 2 UNP Q54436 EXPRESSION TAG SEQADV 7R6H GLY B 1 UNP Q54436 EXPRESSION TAG SEQADV 7R6H SER B 2 UNP Q54436 EXPRESSION TAG SEQADV 7R6H GLY C 1 UNP Q54436 EXPRESSION TAG SEQADV 7R6H SER C 2 UNP Q54436 EXPRESSION TAG SEQADV 7R6H GLY D 1 UNP Q54436 EXPRESSION TAG SEQADV 7R6H SER D 2 UNP Q54436 EXPRESSION TAG SEQRES 1 A 52 GLY SER ILE ILE ASN GLU THR ALA ASP ASP ILE VAL TYR SEQRES 2 A 52 ARG LEU THR VAL ILE ILE ASP ASP ARG TYR GLU SER LEU SEQRES 3 A 52 LYS ASN LEU ILE THR LEU ARG ALA ASP ARG LEU GLU MET SEQRES 4 A 52 ILE ILE ASN ASP ASN VAL SER THR ILE LEU ALA SER ILE SEQRES 1 B 52 GLY SER ILE ILE ASN GLU THR ALA ASP ASP ILE VAL TYR SEQRES 2 B 52 ARG LEU THR VAL ILE ILE ASP ASP ARG TYR GLU SER LEU SEQRES 3 B 52 LYS ASN LEU ILE THR LEU ARG ALA ASP ARG LEU GLU MET SEQRES 4 B 52 ILE ILE ASN ASP ASN VAL SER THR ILE LEU ALA SER ILE SEQRES 1 C 52 GLY SER ILE ILE ASN GLU THR ALA ASP ASP ILE VAL TYR SEQRES 2 C 52 ARG LEU THR VAL ILE ILE ASP ASP ARG TYR GLU SER LEU SEQRES 3 C 52 LYS ASN LEU ILE THR LEU ARG ALA ASP ARG LEU GLU MET SEQRES 4 C 52 ILE ILE ASN ASP ASN VAL SER THR ILE LEU ALA SER ILE SEQRES 1 D 52 GLY SER ILE ILE ASN GLU THR ALA ASP ASP ILE VAL TYR SEQRES 2 D 52 ARG LEU THR VAL ILE ILE ASP ASP ARG TYR GLU SER LEU SEQRES 3 D 52 LYS ASN LEU ILE THR LEU ARG ALA ASP ARG LEU GLU MET SEQRES 4 D 52 ILE ILE ASN ASP ASN VAL SER THR ILE LEU ALA SER ILE HET 1KW A 101 24 HET 1KW D 101 24 HET 1KW D 102 24 HETNAM 1KW ORTHO-CARBORANE FORMUL 5 1KW 3(C2 B10) FORMUL 8 HOH *59(H2 O) HELIX 1 AA1 SER A 2 ALA A 50 1 49 HELIX 2 AA2 ILE B 3 ILE B 52 1 50 HELIX 3 AA3 ILE C 4 ALA C 50 1 47 HELIX 4 AA4 ILE D 3 ILE D 52 1 50 CRYST1 34.450 55.920 110.230 90.00 90.00 90.00 P 21 21 21 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 0.029028 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017883 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009072 0.00000