HEADER TRANSFERASE 17-JAN-19 6NP4 TITLE AAC-VIA BOUND TO TOBRAMYCIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: AMINOGLYCOSIDE N(3)-ACETYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.3.1.81; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTER CLOACAE; SOURCE 3 ORGANISM_TAXID: 550; SOURCE 4 GENE: AAC 3-VI; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS ANTIBIOTIC MODIFYING ENZYME, SUBSTRATE SELECTIVITY, ANTIBIOTIC, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR P.KUMAR,M.J.CUNEO REVDAT 3 11-OCT-23 6NP4 1 LINK REVDAT 2 06-NOV-19 6NP4 1 JRNL REVDAT 1 25-SEP-19 6NP4 0 JRNL AUTH P.KUMAR,P.K.AGARWAL,M.B.WADDELL,T.MITTAG,E.H.SERPERSU, JRNL AUTH 2 M.J.CUNEO JRNL TITL LOW-BARRIER AND CANONICAL HYDROGEN BONDS MODULATE ACTIVITY JRNL TITL 2 AND SPECIFICITY OF A CATALYTIC TRIAD. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 58 16260 2019 JRNL REFN ESSN 1521-3773 JRNL PMID 31515870 JRNL DOI 10.1002/ANIE.201908535 REMARK 2 REMARK 2 RESOLUTION. 1.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13_2998 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.27 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 114067 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.126 REMARK 3 R VALUE (WORKING SET) : 0.125 REMARK 3 FREE R VALUE : 0.139 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5705 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 43.2730 - 3.5748 0.98 3619 191 0.1399 0.1583 REMARK 3 2 3.5748 - 2.8376 0.99 3636 192 0.1348 0.1461 REMARK 3 3 2.8376 - 2.4789 1.00 3605 190 0.1240 0.1461 REMARK 3 4 2.4789 - 2.2523 1.00 3652 192 0.1165 0.1319 REMARK 3 5 2.2523 - 2.0909 1.00 3622 190 0.1140 0.1095 REMARK 3 6 2.0909 - 1.9676 1.00 3641 192 0.1109 0.1216 REMARK 3 7 1.9676 - 1.8691 1.00 3588 189 0.1076 0.1194 REMARK 3 8 1.8691 - 1.7877 1.00 3639 192 0.1069 0.1167 REMARK 3 9 1.7877 - 1.7189 1.00 3641 191 0.1011 0.1040 REMARK 3 10 1.7189 - 1.6596 1.00 3599 189 0.0963 0.1102 REMARK 3 11 1.6596 - 1.6077 1.00 3616 191 0.0936 0.1071 REMARK 3 12 1.6077 - 1.5617 1.00 3623 190 0.0940 0.1157 REMARK 3 13 1.5617 - 1.5206 1.00 3634 192 0.0980 0.1119 REMARK 3 14 1.5206 - 1.4835 1.00 3592 189 0.0984 0.1285 REMARK 3 15 1.4835 - 1.4498 1.00 3651 192 0.1032 0.1318 REMARK 3 16 1.4498 - 1.4189 1.00 3589 189 0.1098 0.1387 REMARK 3 17 1.4189 - 1.3905 1.00 3602 189 0.1143 0.1250 REMARK 3 18 1.3905 - 1.3643 1.00 3580 189 0.1163 0.1369 REMARK 3 19 1.3643 - 1.3399 1.00 3643 192 0.1271 0.1466 REMARK 3 20 1.3399 - 1.3172 1.00 3641 192 0.1325 0.1518 REMARK 3 21 1.3172 - 1.2960 1.00 3604 189 0.1395 0.1608 REMARK 3 22 1.2960 - 1.2760 1.00 3630 191 0.1430 0.1696 REMARK 3 23 1.2760 - 1.2572 1.00 3562 187 0.1503 0.1793 REMARK 3 24 1.2572 - 1.2395 1.00 3654 193 0.1665 0.1703 REMARK 3 25 1.2395 - 1.2228 1.00 3609 190 0.1701 0.2033 REMARK 3 26 1.2228 - 1.2069 1.00 3583 189 0.1837 0.1905 REMARK 3 27 1.2069 - 1.1918 1.00 3596 189 0.1918 0.2353 REMARK 3 28 1.1918 - 1.1775 1.00 3626 190 0.1990 0.2163 REMARK 3 29 1.1775 - 1.1638 1.00 3555 188 0.2138 0.2260 REMARK 3 30 1.1638 - 1.1510 0.97 3530 186 0.2265 0.2321 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) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 13.370 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.02 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.28 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL 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 6NP4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JAN-19. REMARK 100 THE DEPOSITION ID IS D_1000239023. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-MAR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 114083 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.150 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 (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.40300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: 6BC6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15-20% POLYETHYLENE GLYCOL (PEG) REMARK 280 8000,0.1 M TRIS, PH 8.5 AND 0.3 M MGCL2., VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 279K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 43.82100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.07850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 43.82100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 43.07850 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: 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 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 MG MG A 302 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 766 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 792 LIES ON A SPECIAL POSITION. 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 MG MG A 302 O HOH A 407 1.28 REMARK 500 HE2 HIS A 91 O HOH A 406 1.54 REMARK 500 OE1 GLU A 86 O HOH A 401 1.57 REMARK 500 O HOH A 405 O HOH A 408 1.65 REMARK 500 O HOH A 403 O HOH A 416 1.72 REMARK 500 O HOH A 484 O HOH A 576 1.81 REMARK 500 O HOH A 731 O HOH A 755 1.91 REMARK 500 N21 TOY A 301 O HOH A 402 1.92 REMARK 500 O HOH A 666 O HOH A 671 1.94 REMARK 500 O HOH A 402 O HOH A 593 1.97 REMARK 500 O HIS A 284 O HOH A 403 1.98 REMARK 500 O HOH A 406 O HOH A 484 1.99 REMARK 500 O HOH A 693 O HOH A 755 2.00 REMARK 500 O HOH A 406 O HOH A 669 2.01 REMARK 500 O HOH A 503 O HOH A 593 2.03 REMARK 500 O HOH A 511 O HOH A 755 2.04 REMARK 500 O HOH A 406 O HOH A 728 2.05 REMARK 500 OD1 ASP A 183 O HOH A 404 2.05 REMARK 500 O HOH A 661 O HOH A 803 2.05 REMARK 500 O HOH A 755 O HOH A 784 2.06 REMARK 500 O HOH A 445 O HOH A 757 2.08 REMARK 500 O HOH A 613 O HOH A 755 2.10 REMARK 500 O HOH A 406 O HOH A 522 2.12 REMARK 500 O HOH A 666 O HOH A 681 2.13 REMARK 500 O HOH A 811 O HOH A 813 2.14 REMARK 500 O HOH A 519 O HOH A 640 2.18 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 O HOH A 580 O HOH A 753 2856 1.59 REMARK 500 O HOH A 482 O HOH A 753 2856 1.73 REMARK 500 O HOH A 580 O HOH A 738 2856 1.76 REMARK 500 O HOH A 668 O HOH A 735 2855 2.02 REMARK 500 O HOH A 407 O HOH A 407 2856 2.11 REMARK 500 O HOH A 425 O HOH A 663 2856 2.14 REMARK 500 O HOH A 407 O HOH A 482 2856 2.16 REMARK 500 O HOH A 483 O HOH A 544 1556 2.16 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 SER A 79 -145.90 55.97 REMARK 500 PRO A 84 44.82 -85.48 REMARK 500 ARG A 162 -1.84 80.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 818 DISTANCE = 6.63 ANGSTROMS 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 302 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 145 OD2 REMARK 620 2 ASP A 145 OD2 0.0 REMARK 620 3 HOH A 473 O 82.9 82.9 REMARK 620 4 HOH A 473 O 75.4 75.4 96.2 REMARK 620 5 HOH A 482 O 127.3 127.3 78.7 155.1 REMARK 620 6 HOH A 482 O 72.2 72.2 155.1 78.7 115.6 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 TOY A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 302 DBREF 6NP4 A 19 286 UNP Q47030 Q47030_ENTCL 19 286 SEQADV 6NP4 SER A 132 UNP Q47030 THR 132 VARIANT SEQRES 1 A 268 THR PRO TRP SER LYS SER GLU LEU VAL ARG GLN LEU ARG SEQRES 2 A 268 ASP LEU GLY VAL ARG SER GLY ASP MET VAL MET PRO HIS SEQRES 3 A 268 VAL SER LEU ARG ALA VAL GLY PRO LEU ALA ASP GLY PRO SEQRES 4 A 268 GLN THR LEU VAL ASP ALA LEU ILE GLU ALA VAL GLY PRO SEQRES 5 A 268 THR GLY ASN ILE LEU ALA PHE VAL SER TRP ARG ASP SER SEQRES 6 A 268 PRO TYR GLU GLN THR LEU GLY HIS ASP ALA PRO PRO ALA SEQRES 7 A 268 ALA ILE ALA GLN SER TRP PRO ALA PHE ASP PRO ASP HIS SEQRES 8 A 268 ALA PRO ALA TYR PRO GLY PHE GLY ALA ILE ASN GLU PHE SEQRES 9 A 268 ILE ARG THR TYR PRO GLY CYS ARG ARG SER ALA HIS PRO SEQRES 10 A 268 ASP ALA SER MET ALA ALA ILE GLY PRO ASP ALA ALA TRP SEQRES 11 A 268 LEU VAL ALA PRO HIS GLU MET GLY ALA ALA TYR GLY PRO SEQRES 12 A 268 ARG SER PRO ILE ALA ARG PHE LEU ALA HIS ALA GLY LYS SEQRES 13 A 268 ILE LEU SER ILE GLY ALA GLY PRO ASP ALA VAL THR ALA SEQRES 14 A 268 LEU HIS TYR ALA GLU ALA VAL ALA ARG ILE GLU GLY LYS SEQRES 15 A 268 ARG ARG VAL THR TYR SER MET PRO LEU LEU ARG GLU GLY SEQRES 16 A 268 LYS ARG VAL TRP VAL THR THR SER ASP TRP ASP SER ASN SEQRES 17 A 268 GLY ILE LEU ASP GLU TYR ALA ALA PRO ASP GLY PRO ASP SEQRES 18 A 268 ALA VAL GLU ARG ILE ALA ARG ASP TYR LEU ALA ARG THR SEQRES 19 A 268 ARG VAL ALA GLN GLY PRO VAL GLY GLY ALA GLN SER ARG SEQRES 20 A 268 LEU ILE ASP ALA ALA ASP ILE VAL SER PHE GLY ILE GLU SEQRES 21 A 268 TRP LEU GLU ALA ARG HIS ALA ALA HET TOY A 301 138 HET MG A 302 1 HETNAM TOY TOBRAMYCIN HETNAM MG MAGNESIUM ION HETSYN TOY 4-AMINO-2-[4,6-DIAMINO-3-(3-AMINO-6-AMINOMETHYL-5- HETSYN 2 TOY HYDROXY-TETRAHYDRO-PYRAN-2-YLOXY)-2-HYDROXY- HETSYN 3 TOY CYCLOHEXYLOXY]-6-HYDROXYMETHYL-TETRAHYDRO-PYRAN-3,5- HETSYN 4 TOY DIOL FORMUL 2 TOY C18 H37 N5 O9 FORMUL 3 MG MG 2+ FORMUL 4 HOH *418(H2 O) HELIX 1 AA1 SER A 22 GLY A 34 1 13 HELIX 2 AA2 SER A 46 GLY A 51 1 6 HELIX 3 AA3 GLY A 56 GLY A 69 1 14 HELIX 4 AA4 PRO A 84 LEU A 89 1 6 HELIX 5 AA5 PRO A 95 TRP A 102 1 8 HELIX 6 AA6 TYR A 113 GLY A 117 5 5 HELIX 7 AA7 ALA A 118 THR A 125 1 8 HELIX 8 AA8 ASP A 145 ALA A 151 1 7 HELIX 9 AA9 SER A 163 HIS A 171 1 9 HELIX 10 AB1 GLY A 181 THR A 186 5 6 HELIX 11 AB2 ALA A 187 ALA A 195 1 9 HELIX 12 AB3 LEU A 229 ALA A 233 5 5 HELIX 13 AB4 ASP A 239 THR A 252 1 14 HELIX 14 AB5 ALA A 269 HIS A 284 1 16 SHEET 1 AA1 7 ARG A 130 ARG A 131 0 SHEET 2 AA1 7 MET A 139 ILE A 142 -1 O ALA A 141 N ARG A 130 SHEET 3 AA1 7 ASN A 73 PHE A 77 -1 N ALA A 76 O ALA A 140 SHEET 4 AA1 7 MET A 40 VAL A 45 1 N VAL A 41 O ASN A 73 SHEET 5 AA1 7 LYS A 174 ILE A 178 1 O ILE A 178 N HIS A 44 SHEET 6 AA1 7 ALA A 262 ASP A 268 -1 O ILE A 267 N ILE A 175 SHEET 7 AA1 7 ALA A 255 VAL A 259 -1 N VAL A 259 O ALA A 262 SHEET 1 AA2 2 ARG A 202 ARG A 211 0 SHEET 2 AA2 2 LYS A 214 TRP A 223 -1 O VAL A 216 N LEU A 209 LINK OD2 ASP A 145 MG MG A 302 1555 1555 2.92 LINK OD2 ASP A 145 MG MG A 302 1555 2856 2.92 LINK MG MG A 302 O HOH A 473 1555 1555 1.94 LINK MG MG A 302 O HOH A 473 1555 2856 1.94 LINK MG MG A 302 O HOH A 482 1555 1555 2.53 LINK MG MG A 302 O HOH A 482 1555 2856 2.53 CISPEP 1 ALA A 151 PRO A 152 0 3.89 CISPEP 2 GLY A 237 PRO A 238 0 -0.19 SITE 1 AC1 24 TYR A 85 GLU A 86 PHE A 116 ASP A 136 SITE 2 AC1 24 TYR A 159 ASP A 183 HIS A 189 SER A 225 SITE 3 AC1 24 ASN A 226 ASP A 239 HOH A 402 HOH A 408 SITE 4 AC1 24 HOH A 414 HOH A 422 HOH A 423 HOH A 424 SITE 5 AC1 24 HOH A 442 HOH A 486 HOH A 490 HOH A 501 SITE 6 AC1 24 HOH A 503 HOH A 593 HOH A 610 HOH A 620 SITE 1 AC2 4 ASP A 145 HOH A 407 HOH A 473 HOH A 482 CRYST1 87.642 86.157 50.241 90.00 119.72 90.00 C 1 2 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 0.011410 0.000000 0.006513 0.00000 SCALE2 0.000000 0.011607 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022919 0.00000