cmd.read_pdbstr("""\ HEADER IMMUNE SYSTEM 17-JAN-02 1KTR \ TITLE CRYSTAL STRUCTURE OF THE ANTI-HIS TAG ANTIBODY 3D5 SINGLE-CHAIN \ TITLE 2 FRAGMENT (SCFV) IN COMPLEX WITH A OLIGOHISTIDINE PEPTIDE \ COMPND MOL_ID: 1; \ COMPND 2 MOLECULE: ANTI-HIS TAG ANTIBODY 3D5 VARIABLE LIGHT CHAIN, PEPTIDE \ COMPND 3 LINKER, ANTI-HIS TAG ANTIBODY 3D5 VARIABLE HEAVY CHAIN; \ COMPND 4 CHAIN: L; \ COMPND 5 ENGINEERED: YES; \ COMPND 6 MUTATION: YES; \ COMPND 7 MOL_ID: 2; \ COMPND 8 MOLECULE: OLIGOHISTIDINE PEPTIDE ANTIGEN; \ COMPND 9 CHAIN: P; \ COMPND 10 ENGINEERED: YES \ SOURCE MOL_ID: 1; \ SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; \ SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; \ SOURCE 4 ORGANISM_TAXID: 10090; \ SOURCE 5 GENE: MONOCLONAL ANTIBODY 3D5; \ SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; \ SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; \ SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SB536; \ SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; \ SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PAK1HMUT1+2_NOM; \ SOURCE 11 MOL_ID: 2; \ SOURCE 12 SYNTHETIC: YES; \ SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; \ SOURCE 14 ORGANISM_TAXID: 32630; \ SOURCE 15 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHETIZED. \ KEYWDS IMMUNOGLOBULIN DOMAINS, SINGLE CHAIN ANTIBODY-ANTIGEN COMPLEX, HIS \ KEYWDS 2 TAG RECOGNITION, SCFV, IMMUNE SYSTEM \ EXPDTA X-RAY DIFFRACTION \ AUTHOR M.KAUFMANN,P.LINDNER,A.HONEGGER,K.BLANK,M.TSCHOPP,G.CAPITANI, \ AUTHOR 2 A.PLUECKTHUN,M.G.GRUETTER \ REVDAT 6 16-OCT-24 1KTR 1 REMARK \ REVDAT 5 16-AUG-23 1KTR 1 LINK \ REVDAT 4 02-MAY-18 1KTR 1 COMPND SOURCE REMARK DBREF \ REVDAT 4 2 1 SEQRES HELIX SHEET SSBOND \ REVDAT 4 3 1 LINK ATOM \ REVDAT 3 24-FEB-09 1KTR 1 VERSN \ REVDAT 2 01-APR-03 1KTR 1 JRNL \ REVDAT 1 15-MAY-02 1KTR 0 \ JRNL AUTH M.KAUFMANN,P.LINDNER,A.HONEGGER,K.BLANK,M.TSCHOPP, \ JRNL AUTH 2 G.CAPITANI,A.PLUCKTHUN,M.G.GRUTTER \ JRNL TITL CRYSTAL STRUCTURE OF THE ANTI-HIS TAG ANTIBODY 3D5 \ JRNL TITL 2 SINGLE-CHAIN FRAGMENT COMPLEXED TO ITS ANTIGEN. \ JRNL REF J.MOL.BIOL. V. 318 135 2002 \ JRNL REFN ISSN 0022-2836 \ JRNL PMID 12054774 \ JRNL DOI 10.1016/S0022-2836(02)00038-4 \ REMARK 1 \ REMARK 1 REFERENCE 1 \ REMARK 1 AUTH P.LINDNER,K.BAUER,A.KREBBER,L.NIEBA,E.KREMMER,C.KREBBER, \ REMARK 1 AUTH 2 A.HONEGGER,B.KLINGER,R.MOCIKAT,A.PLUECKTHUN \ REMARK 1 TITL SPECIFIC DETECTION OF HIS-TAGGED PROTEINS WITH RECOMBINANT \ REMARK 1 TITL 2 ANTI-HIS TAG SCFV-PHOSPHATASE OR SCFV-PHAGE FUSIONS \ REMARK 1 REF BIO*TECHNIQUES V. 22 140 1997 \ REMARK 1 REFN ISSN 0736-6205 \ REMARK 2 \ REMARK 2 RESOLUTION. 2.70 ANGSTROMS. \ REMARK 3 \ REMARK 3 REFINEMENT. \ REMARK 3 PROGRAM : CNS \ REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- \ REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, \ REMARK 3 : READ,RICE,SIMONSON,WARREN \ REMARK 3 \ REMARK 3 REFINEMENT TARGET : ENGH & HUBER \ REMARK 3 \ REMARK 3 DATA USED IN REFINEMENT. \ REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 \ REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 \ REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 \ REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL \ REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL \ REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 \ REMARK 3 NUMBER OF REFLECTIONS : 16936 \ REMARK 3 \ REMARK 3 FIT TO DATA USED IN REFINEMENT. \ REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT \ REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM \ REMARK 3 R VALUE (WORKING SET) : 0.190 \ REMARK 3 FREE R VALUE : 0.222 \ REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL \ REMARK 3 FREE R VALUE TEST SET COUNT : 996 \ REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL \ REMARK 3 \ REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. \ REMARK 3 TOTAL NUMBER OF BINS USED : NULL \ REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.70 \ REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 \ REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.70 \ REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL \ REMARK 3 BIN R VALUE (WORKING SET) : 0.2610 \ REMARK 3 BIN FREE R VALUE : 0.2820 \ REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL \ REMARK 3 BIN FREE R VALUE TEST SET COUNT : 143 \ REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 \ REMARK 3 \ REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. \ REMARK 3 PROTEIN ATOMS : 1789 \ REMARK 3 NUCLEIC ACID ATOMS : 0 \ REMARK 3 HETEROGEN ATOMS : 0 \ REMARK 3 SOLVENT ATOMS : 156 \ REMARK 3 \ REMARK 3 B VALUES. \ REMARK 3 FROM WILSON PLOT (A**2) : 52.80 \ REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.40 \ REMARK 3 OVERALL ANISOTROPIC B VALUE. \ REMARK 3 B11 (A**2) : 2.82000 \ REMARK 3 B22 (A**2) : 2.82000 \ REMARK 3 B33 (A**2) : -5.65000 \ REMARK 3 B12 (A**2) : 7.02000 \ REMARK 3 B13 (A**2) : 0.00000 \ REMARK 3 B23 (A**2) : 0.00000 \ REMARK 3 \ REMARK 3 ESTIMATED COORDINATE ERROR. \ REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 \ REMARK 3 ESD FROM SIGMAA (A) : 0.31 \ REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 \ REMARK 3 \ REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. \ REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 \ REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 \ REMARK 3 \ REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. \ REMARK 3 BOND LENGTHS (A) : 0.005 \ REMARK 3 BOND ANGLES (DEGREES) : 1.300 \ REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL \ REMARK 3 IMPROPER ANGLES (DEGREES) : NULL \ REMARK 3 \ REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC \ REMARK 3 \ REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA \ REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL \ REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL \ REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL \ REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL \ REMARK 3 \ REMARK 3 BULK SOLVENT MODELING. \ REMARK 3 METHOD USED : NULL \ REMARK 3 KSOL : NULL \ REMARK 3 BSOL : NULL \ REMARK 3 \ REMARK 3 NCS MODEL : NULL \ REMARK 3 \ REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT \ REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL \ REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL \ REMARK 3 \ REMARK 3 PARAMETER FILE 1 : NULL \ REMARK 3 TOPOLOGY FILE 1 : NULL \ REMARK 3 \ REMARK 3 OTHER REFINEMENT REMARKS: NULL \ REMARK 4 \ REMARK 4 1KTR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 \ REMARK 100 \ REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JAN-02. \ REMARK 100 THE DEPOSITION ID IS D_1000015335. \ REMARK 200 \ REMARK 200 EXPERIMENTAL DETAILS \ REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION \ REMARK 200 DATE OF DATA COLLECTION : 02-OCT-00 \ REMARK 200 TEMPERATURE (KELVIN) : 100.0 \ REMARK 200 PH : 6.4 \ REMARK 200 NUMBER OF CRYSTALS USED : 1 \ REMARK 200 \ REMARK 200 SYNCHROTRON (Y/N) : Y \ REMARK 200 RADIATION SOURCE : ESRF \ REMARK 200 BEAMLINE : BM1A \ REMARK 200 X-RAY GENERATOR MODEL : NULL \ REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M \ REMARK 200 WAVELENGTH OR RANGE (A) : 0.873 \ REMARK 200 MONOCHROMATOR : MIRRORS \ REMARK 200 OPTICS : MIRRORS \ REMARK 200 \ REMARK 200 DETECTOR TYPE : IMAGE PLATE \ REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE \ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO \ REMARK 200 DATA SCALING SOFTWARE : SCALEPACK \ REMARK 200 \ REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16996 \ REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 \ REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 \ REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -2.500 \ REMARK 200 \ REMARK 200 OVERALL. \ REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 \ REMARK 200 DATA REDUNDANCY : 7.540 \ REMARK 200 R MERGE (I) : 0.11600 \ REMARK 200 R SYM (I) : NULL \ REMARK 200 FOR THE DATA SET : 16.6000 \ REMARK 200 \ REMARK 200 IN THE HIGHEST RESOLUTION SHELL. \ REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 \ REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 \ REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 \ REMARK 200 DATA REDUNDANCY IN SHELL : NULL \ REMARK 200 R MERGE FOR SHELL (I) : 0.53700 \ REMARK 200 R SYM FOR SHELL (I) : NULL \ REMARK 200 FOR SHELL : 4.400 \ REMARK 200 \ REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH \ REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT \ REMARK 200 SOFTWARE USED: AMORE \ REMARK 200 STARTING MODEL: VL: PDB ENTRY 1TET, VH: PDB ENTRY 1PSK \ REMARK 200 \ REMARK 200 REMARK: NULL \ REMARK 280 \ REMARK 280 CRYSTAL \ REMARK 280 SOLVENT CONTENT, VS (%): 77.00 \ REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.40 \ REMARK 280 \ REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, MAGNESIUM ACETATE, MES, PH \ REMARK 280 6.4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K \ REMARK 290 \ REMARK 290 CRYSTALLOGRAPHIC SYMMETRY \ REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 \ REMARK 290 \ REMARK 290 SYMOP SYMMETRY \ REMARK 290 NNNMMM OPERATOR \ REMARK 290 1555 X,Y,Z \ REMARK 290 2555 -Y,X-Y,Z+2/3 \ REMARK 290 3555 -X+Y,-X,Z+1/3 \ REMARK 290 4555 Y,X,-Z \ REMARK 290 5555 X-Y,-Y,-Z+1/3 \ REMARK 290 6555 -X,-X+Y,-Z+2/3 \ 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 -0.500000 -0.866025 0.000000 0.00000 \ REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 \ REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.86667 \ REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 \ REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 \ REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 30.93333 \ REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 \ REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 \ REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 \ REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 \ REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 \ REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 30.93333 \ REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 \ REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 \ REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 61.86667 \ 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: DIMERIC \ REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC \ REMARK 350 SOFTWARE USED: PISA \ REMARK 350 TOTAL BURIED SURFACE AREA: 750 ANGSTROM**2 \ REMARK 350 SURFACE AREA OF THE COMPLEX: 10960 ANGSTROM**2 \ REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -2.0 KCAL/MOL \ REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, P \ 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 400 \ REMARK 400 COMPOUND \ REMARK 400 THE PEPTIDE LINKER CONNECTS THE VARIABLE LIGHT CHAIN AND THE \ REMARK 400 VARIABLE HEAVY CHAIN. \ 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 ASP L -2 \ REMARK 465 TYR L -1 \ REMARK 465 LYS L 0 \ REMARK 465 GLY L 132A \ REMARK 465 GLY L 132B \ REMARK 465 SER L 132C \ REMARK 465 GLY L 132D \ REMARK 465 GLY L 132E \ REMARK 465 GLY L 132F \ REMARK 465 GLY L 132G \ REMARK 465 SER L 132H \ REMARK 465 GLY L 132I \ REMARK 465 GLY L 132J \ REMARK 465 GLY L 132K \ REMARK 465 GLY L 132L \ REMARK 465 SER L 132M \ REMARK 465 GLY L 132N \ REMARK 465 GLY L 132O \ REMARK 465 GLY L 132P \ REMARK 465 GLY L 132Q \ REMARK 465 SER L 132R \ REMARK 465 HIS P 1 \ REMARK 465 HIS P 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 HIS P 3 CG ND1 CD2 CE1 NE2 \ 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 VAL L 56 -50.41 73.47 \ REMARK 500 ASP L 65 15.59 -69.93 \ REMARK 500 SER L 72 145.07 -173.57 \ REMARK 500 ARG L 82 72.70 47.00 \ REMARK 500 \ REMARK 500 REMARK: NULL \ REMARK 999 \ REMARK 999 SEQUENCE \ REMARK 999 NEITHER THE SEQUENCE OF THE WILD-TYPE NOR \ REMARK 999 THE MUTATED SEQUENCE, FROM WHICH THE STRUCTURE \ REMARK 999 WAS SOLVED, WAS DEPOSITED TO A DATABASE. \ REMARK 999 IN COMPARISON TO THE WILD-TYPE OF THE \ REMARK 999 ANTI-HIS TAG ANTIBODY 3D5 VARIABLE LIGHT CHAIN, \ REMARK 999 THE MUTATED SEQUENCE CHAIN L HAS THE \ REMARK 999 FOLLOWING MUTATIONS: L9S, V78F, Y88D. \ REMARK 999 IN COMPARISON TO THE WILD-TYPE OF THE \ REMARK 999 ANTI-HIS TAG ANTIBODY 3D5 VARIABLE HEAVY CHAIN, \ REMARK 999 THE MUTATED SEQUENCE CHAIN H HAS THE \ REMARK 999 FOLLOWING MUTATIONS: \ REMARK 999 L12D, H48P, S51G, K77R, E100D, L144T. \ REMARK 999 THE SCFV, CONSISTING OF CHAINS L, M, AND H, \ REMARK 999 WAS EXPRESSED AS ONE POLYPEPTIDE. \ REMARK 999 THE N-TERMINAL VARIABLE LIGHT CHAIN, CHAIN L AND \ REMARK 999 THE C-TERMINAL VARIABLE HEAVY CHAIN, CHAIN H \ REMARK 999 ARE CONNECTED BY THE PEPTIDE LINKER, CHAIN M. \ REMARK 999 NOTE THAT CHAINS L, M, AND H ARE ONE \ REMARK 999 CONTINUOUS POLYPEPTIDE CHAIN AND MOST OF THE \ REMARK 999 LINKER, CHAIN M, IS INVISIBLE. \ REMARK 999 THE FIRST THREE RESIDUES OF CHAIN L, \ REMARK 999 DYK, ARE PART OF THE FLAG RECOGNITION TAG. \ DBREF 1KTR L -2 247 PDB 1KTR 1KTR -2 247 \ DBREF 1KTR P 1 6 PDB 1KTR 1KTR 1 6 \ SEQRES 1 L 250 ASP TYR LYS ASP ILE LEU MET THR GLN THR PRO SER SER \ SEQRES 2 L 250 LEU PRO VAL SER LEU GLY ASP GLN ALA SER ILE SER CYS \ SEQRES 3 L 250 ARG SER SER GLN SER ILE VAL HIS SER ASN GLY ASN THR \ SEQRES 4 L 250 TYR LEU GLU TRP TYR LEU GLN LYS PRO GLY GLN SER PRO \ SEQRES 5 L 250 LYS LEU LEU ILE TYR LYS VAL SER ASN ARG PHE SER GLY \ SEQRES 6 L 250 VAL PRO ASP ARG PHE SER GLY SER GLY SER GLY THR ASP \ SEQRES 7 L 250 PHE THR LEU LYS ILE SER ARG VAL GLU ALA GLU ASP LEU \ SEQRES 8 L 250 GLY VAL TYR TYR CYS PHE GLN GLY SER HIS VAL PRO PHE \ SEQRES 9 L 250 THR PHE GLY SER GLY THR LYS LEU GLU ILE LYS ARG GLY \ SEQRES 10 L 250 GLY GLY GLY SER GLY GLY GLY GLY SER GLY GLY GLY GLY \ SEQRES 11 L 250 SER GLY GLY GLY GLY SER GLN VAL GLN LEU GLN GLN SER \ SEQRES 12 L 250 GLY PRO GLU ASP VAL LYS PRO GLY ALA SER VAL LYS ILE \ SEQRES 13 L 250 SER CYS LYS ALA SER GLY TYR THR PHE THR ASP TYR TYR \ SEQRES 14 L 250 MET ASN TRP VAL LYS GLN SER PRO GLY LYS GLY LEU GLU \ SEQRES 15 L 250 TRP ILE GLY ASP ILE ASN PRO ASN ASN GLY GLY THR SER \ SEQRES 16 L 250 TYR ASN GLN LYS PHE LYS GLY ARG ALA THR LEU THR VAL \ SEQRES 17 L 250 ASP LYS SER SER SER THR ALA TYR MET GLU LEU ARG SER \ SEQRES 18 L 250 LEU THR SER GLU ASP SER SER VAL TYR TYR CYS GLU SER \ SEQRES 19 L 250 GLN SER GLY ALA TYR TRP GLY GLN GLY THR THR VAL THR \ SEQRES 20 L 250 VAL SER ALA \ SEQRES 1 P 6 HIS HIS HIS HIS HIS HIS \ FORMUL 3 HOH *156(H2 O) \ HELIX 1 1 GLU L 84 LEU L 88 5 5 \ HELIX 2 2 THR L 161 TYR L 165 5 5 \ HELIX 3 3 GLN L 195 LYS L 198 5 4 \ HELIX 4 4 THR L 220 SER L 224 5 5 \ SHEET 1 A 4 MET L 4 THR L 7 0 \ SHEET 2 A 4 ALA L 19 SER L 25 -1 O ARG L 24 N THR L 5 \ SHEET 3 A 4 ASP L 75 ILE L 80 -1 O LEU L 78 N ILE L 21 \ SHEET 4 A 4 PHE L 67 SER L 72 -1 N SER L 72 O ASP L 75 \ SHEET 1 B 5 ASN L 58 ARG L 59 0 \ SHEET 2 B 5 LYS L 50 TYR L 54 -1 N TYR L 54 O ASN L 58 \ SHEET 3 B 5 LEU L 38 GLN L 43 -1 N TRP L 40 O LEU L 52 \ SHEET 4 B 5 GLY L 89 GLN L 95 -1 O TYR L 92 N TYR L 41 \ SHEET 5 B 5 THR L 102 PHE L 103 -1 O THR L 102 N GLN L 95 \ SHEET 1 C 6 ASN L 58 ARG L 59 0 \ SHEET 2 C 6 LYS L 50 TYR L 54 -1 N TYR L 54 O ASN L 58 \ SHEET 3 C 6 LEU L 38 GLN L 43 -1 N TRP L 40 O LEU L 52 \ SHEET 4 C 6 GLY L 89 GLN L 95 -1 O TYR L 92 N TYR L 41 \ SHEET 5 C 6 THR L 107 ILE L 111 -1 O THR L 107 N TYR L 91 \ SHEET 6 C 6 SER L 10 VAL L 13 1 N LEU L 11 O LYS L 108 \ SHEET 1 D 4 GLN L 136 GLN L 139 0 \ SHEET 2 D 4 VAL L 151 SER L 158 -1 O LYS L 156 N GLN L 138 \ SHEET 3 D 4 THR L 211 LEU L 216 -1 O ALA L 212 N CYS L 155 \ SHEET 4 D 4 ALA L 201 ASP L 206 -1 N THR L 202 O GLU L 215 \ SHEET 1 E 5 THR L 191 TYR L 193 0 \ SHEET 2 E 5 GLY L 177 ILE L 184 -1 N ASP L 183 O SER L 192 \ SHEET 3 E 5 MET L 167 SER L 173 -1 N LYS L 171 O GLU L 179 \ SHEET 4 E 5 SER L 225 SER L 231 -1 O GLU L 230 N ASN L 168 \ SHEET 5 E 5 TYR L 236 TRP L 237 -1 O TYR L 236 N SER L 231 \ SHEET 1 F 6 THR L 191 TYR L 193 0 \ SHEET 2 F 6 GLY L 177 ILE L 184 -1 N ASP L 183 O SER L 192 \ SHEET 3 F 6 MET L 167 SER L 173 -1 N LYS L 171 O GLU L 179 \ SHEET 4 F 6 SER L 225 SER L 231 -1 O GLU L 230 N ASN L 168 \ SHEET 5 F 6 THR L 241 VAL L 245 -1 O THR L 241 N TYR L 227 \ SHEET 6 F 6 GLU L 143 VAL L 145 1 N GLU L 143 O THR L 244 \ SSBOND 1 CYS L 23 CYS L 93 1555 1555 2.03 \ SSBOND 2 CYS L 155 CYS L 229 1555 1555 2.03 \ LINK C ARG L 113 N GLY L 131 1555 1555 1.33 \ CISPEP 1 THR L 7 PRO L 8 0 -0.07 \ CISPEP 2 VAL L 99 PRO L 100 0 0.03 \ CRYST1 106.510 106.510 92.800 90.00 90.00 120.00 P 32 2 1 6 \ 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 0.009389 0.005420 0.000000 0.00000 \ SCALE2 0.000000 0.010841 0.000000 0.00000 \ SCALE3 0.000000 0.000000 0.010775 0.00000 \ TER 1754 ALA L 247 \ TER 1791 HIS P 6 \ CONECT 162 715 \ CONECT 715 162 \ CONECT 865 874 \ CONECT 874 865 \ CONECT 1040 1624 \ CONECT 1624 1040 \ MASTER 315 0 0 4 30 0 0 6 1945 2 6 21 \ END \ """, "1ktrchainH") cmd.hide("all") cmd.color('grey70', "1ktrchainH") cmd.show('cartoon', "1ktrchainH") cmd.center("1ktrchainH", state=0, origin=1) cmd.zoom("1ktrchainH", animate=-1) cmd.select("e1ktrH1", "c. H & i. 1-149") cmd.color("red", "e1ktrH1") cmd.disable("e1ktrH1")