HEADER VIRAL PROTEIN 28-AUG-19 6KTS TITLE STRUCTURE OF C34N126K/N36 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENVELOPE GLYCOPROTEIN; COMPND 3 CHAIN: N, B, E; COMPND 4 SYNONYM: N36; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: GLYCOPROTEIN 41; COMPND 8 CHAIN: C, A, D; COMPND 9 SYNONYM: C34, ENV POLYPROTEIN; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 4 ORGANISM_TAXID: 11676; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 8 ORGANISM_TAXID: 11676 KEYWDS HIV, ENVLOPE, 6HB, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR D.W.YU,B.QIN REVDAT 2 22-NOV-23 6KTS 1 JRNL REMARK REVDAT 1 16-SEP-20 6KTS 0 JRNL AUTH D.YU,Y.SU,X.DING,Y.ZHU,B.QIN,H.CHONG,S.CUI,Y.HE JRNL TITL STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF THE SECONDARY JRNL TITL 2 MUTATION N126K SELECTED BY VARIOUS HIV-1 FUSION INHIBITORS. JRNL REF VIRUSES V. 12 2020 JRNL REFN ESSN 1999-4915 JRNL PMID 32197300 JRNL DOI 10.3390/V12030326 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.11 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 29894 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.990 REMARK 3 FREE R VALUE TEST SET COUNT : 1493 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 44.1070 - 3.6683 0.98 2645 136 0.1949 0.2140 REMARK 3 2 3.6683 - 2.9118 0.99 2623 133 0.1870 0.1915 REMARK 3 3 2.9118 - 2.5438 0.99 2593 127 0.1998 0.2228 REMARK 3 4 2.5438 - 2.3112 1.00 2618 131 0.2016 0.2328 REMARK 3 5 2.3112 - 2.1456 0.99 2572 161 0.1989 0.2392 REMARK 3 6 2.1456 - 2.0191 0.99 2568 152 0.2277 0.2453 REMARK 3 7 2.0191 - 1.9179 0.99 2585 148 0.2467 0.2717 REMARK 3 8 1.9179 - 1.8345 0.99 2537 149 0.2611 0.2537 REMARK 3 9 1.8345 - 1.7638 0.99 2537 133 0.2717 0.2947 REMARK 3 10 1.7638 - 1.7030 0.98 2585 122 0.2537 0.3130 REMARK 3 11 1.7030 - 1.6500 0.97 2538 101 0.3077 0.3252 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.930 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.85 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 : 0.025 1806 REMARK 3 ANGLE : 1.350 2433 REMARK 3 CHIRALITY : 0.130 270 REMARK 3 PLANARITY : 0.009 315 REMARK 3 DIHEDRAL : 17.912 1101 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 6KTS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-SEP-19. REMARK 100 THE DEPOSITION ID IS D_1300013638. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-NOV-17 REMARK 200 TEMPERATURE (KELVIN) : 193.15 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97852 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 : NULL REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 197894 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 44.107 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 6.540 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.7900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.83300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.940 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1AIK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM ACETATE, BIS-TRIS, PEG 3350, REMARK 280 PH 5.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 297K 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 44.42750 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.40450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 44.42750 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.40450 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 12190 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10580 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -104.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: N, C, B, A, E, 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 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 N 627 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 730 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 738 LIES ON A SPECIAL POSITION. REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ACE N 545 REMARK 475 ACE C 627 REMARK 475 ACE B 545 REMARK 475 ACE A 627 REMARK 475 ACE E 545 REMARK 475 ACE D 627 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 O HOH N 603 O HOH N 616 1.80 REMARK 500 O HOH B 622 O HOH B 626 1.82 REMARK 500 O ALA N 578 O HOH N 601 1.82 REMARK 500 ND1 HIS D 643 O HOH D 701 1.85 REMARK 500 O HOH D 722 O HOH D 740 1.94 REMARK 500 NZ LYS D 637 O HOH D 702 1.98 REMARK 500 NZ LYS B 574 O HOH B 601 2.00 REMARK 500 O HOH C 734 O HOH C 739 2.04 REMARK 500 NZ LYS E 574 O HOH E 601 2.08 REMARK 500 NH1 ARG N 579 O HOH N 602 2.11 REMARK 500 O HOH D 741 O HOH D 746 2.12 REMARK 500 O HOH C 702 O HOH C 717 2.12 REMARK 500 NE2 GLN N 567 O HOH N 603 2.15 REMARK 500 O GLN E 577 CD2 LEU E 581 2.16 REMARK 500 O HOH E 611 O HOH E 628 2.18 REMARK 500 O LEU E 581 O HOH E 602 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 C 726 O HOH D 729 4545 2.04 REMARK 500 O HOH B 618 O HOH E 615 1554 2.12 REMARK 500 OE1 GLN B 550 O HOH D 702 4545 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ARG B 579 CD ARG B 579 NE -0.124 REMARK 500 ARG B 579 NE ARG B 579 CZ -0.102 REMARK 500 ARG B 579 CZ ARG B 579 NH1 -0.088 REMARK 500 ARG B 579 CZ ARG B 579 NH2 -0.113 REMARK 500 ASP A 632 CB ASP A 632 CG -0.128 REMARK 500 GLU A 654 CD GLU A 654 OE1 -0.073 REMARK 500 ACE D 627 C TRP D 628 N -0.218 REMARK 500 REMARK 500 REMARK: NULL DBREF 6KTS N 546 581 UNP C7F2J9 C7F2J9_9HIV1 2 37 DBREF 6KTS C 628 661 UNP Q6TAN7 Q6TAN7_9HIV1 626 659 DBREF 6KTS B 546 581 UNP C7F2J9 C7F2J9_9HIV1 2 37 DBREF 6KTS A 628 661 UNP Q6TAN7 Q6TAN7_9HIV1 626 659 DBREF 6KTS E 546 581 UNP C7F2J9 C7F2J9_9HIV1 2 37 DBREF 6KTS D 628 661 UNP Q6TAN7 Q6TAN7_9HIV1 626 659 SEQADV 6KTS ACE N 545 UNP C7F2J9 ACETYLATION SEQADV 6KTS ACE C 627 UNP Q6TAN7 ACETYLATION SEQADV 6KTS LYS C 637 UNP Q6TAN7 ASN 635 ENGINEERED MUTATION SEQADV 6KTS ACE B 545 UNP C7F2J9 ACETYLATION SEQADV 6KTS ACE A 627 UNP Q6TAN7 ACETYLATION SEQADV 6KTS LYS A 637 UNP Q6TAN7 ASN 635 ENGINEERED MUTATION SEQADV 6KTS ACE E 545 UNP C7F2J9 ACETYLATION SEQADV 6KTS ACE D 627 UNP Q6TAN7 ACETYLATION SEQADV 6KTS LYS D 637 UNP Q6TAN7 ASN 635 ENGINEERED MUTATION SEQRES 1 N 37 ACE SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 N 37 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 N 37 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU SEQRES 1 C 35 ACE TRP MET GLU TRP ASP ARG GLU ILE ASN LYS TYR THR SEQRES 2 C 35 SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN ASN GLN SEQRES 3 C 35 GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 B 37 ACE SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 B 37 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 B 37 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU SEQRES 1 A 35 ACE TRP MET GLU TRP ASP ARG GLU ILE ASN LYS TYR THR SEQRES 2 A 35 SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN ASN GLN SEQRES 3 A 35 GLN GLU LYS ASN GLU GLN GLU LEU LEU SEQRES 1 E 37 ACE SER GLY ILE VAL GLN GLN GLN ASN ASN LEU LEU ARG SEQRES 2 E 37 ALA ILE GLU ALA GLN GLN HIS LEU LEU GLN LEU THR VAL SEQRES 3 E 37 TRP GLY ILE LYS GLN LEU GLN ALA ARG ILE LEU SEQRES 1 D 35 ACE TRP MET GLU TRP ASP ARG GLU ILE ASN LYS TYR THR SEQRES 2 D 35 SER LEU ILE HIS SER LEU ILE GLU GLU SER GLN ASN GLN SEQRES 3 D 35 GLN GLU LYS ASN GLU GLN GLU LEU LEU HET ACE N 545 3 HET ACE C 627 3 HET ACE B 545 3 HET ACE A 627 3 HET ACE E 545 3 HET ACE D 627 3 HETNAM ACE ACETYL GROUP FORMUL 1 ACE 6(C2 H4 O) FORMUL 7 HOH *202(H2 O) HELIX 1 AA1 SER N 546 LEU N 581 1 36 HELIX 2 AA2 TRP C 628 LEU C 661 1 34 HELIX 3 AA3 SER B 546 LEU B 581 1 36 HELIX 4 AA4 TRP A 628 LEU A 660 1 33 HELIX 5 AA5 SER E 546 LEU E 581 1 36 HELIX 6 AA6 TRP D 628 LEU D 661 1 34 LINK C ACE N 545 N SER N 546 1555 1555 1.32 LINK C ACE C 627 N TRP C 628 1555 1555 1.31 LINK C ACE B 545 N SER B 546 1555 1555 1.28 LINK C ACE A 627 N TRP A 628 1555 1555 1.30 LINK C ACE E 545 N SER E 546 1555 1555 1.29 LINK C ACE D 627 N TRP D 628 1555 1555 1.12 CRYST1 88.855 50.809 56.114 90.00 90.40 90.00 C 1 2 1 12 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 0.011254 0.000000 0.000078 0.00000 SCALE2 0.000000 0.019682 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017821 0.00000 HETATM 1 C ACE N 545 10.508 22.087 -17.620 0.00 25.76 C HETATM 2 O ACE N 545 10.647 22.509 -16.489 0.00 26.33 O HETATM 3 CH3 ACE N 545 11.465 22.598 -18.674 0.00 26.28 C