PDB Short entry for 1QTN HEADER HYDROLASE/HYDROLASE INHIBITOR 28-JUN-99 1QTN TITLE CRYSTAL STRUCTURE OF THE COMPLEX OF CASPASE-8 WITH THE TETRAPEPTIDE TITLE 2 INHIBITOR ACE-IETD-ALDEHYDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CASPASE-8; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: P18 FRAGMENT; COMPND 5 EC: 3.4.22.-; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: CASPASE-8; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: P11 FRAGMENT; COMPND 11 EC: 3.4.22.-; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: ACETYL-ILE-GLU-THR-ASP-ALDEHYDE; COMPND 15 CHAIN: C; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 ORGANISM_TAXID: 9606; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES; SOURCE 15 OTHER_DETAILS: CHEMICALLY SYNTHESIZED KEYWDS APOPTOSIS, DITHIANE-DIOL, CASPASE, CYSTEINE-PROTEASE, HYDROLASE- KEYWDS 2 HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR W.WATT,K.D.WATENPAUGH REVDAT 6 15-NOV-23 1QTN 1 REMARK REVDAT 5 16-AUG-23 1QTN 1 REMARK SHEET LINK REVDAT 4 04-APR-12 1QTN 1 HET HETATM HETNAM LINK REVDAT 4 2 1 REMARK SEQRES REVDAT 3 13-JUL-11 1QTN 1 VERSN REVDAT 2 24-FEB-09 1QTN 1 VERSN REVDAT 1 20-SEP-00 1QTN 0 JRNL AUTH W.WATT,K.A.KOEPLINGER,A.M.MILDNER,R.L.HEINRIKSON, JRNL AUTH 2 A.G.TOMASSELLI,K.D.WATENPAUGH JRNL TITL THE ATOMIC-RESOLUTION STRUCTURE OF HUMAN CASPASE-8, A KEY JRNL TITL 2 ACTIVATOR OF APOPTOSIS. JRNL REF STRUCTURE FOLD.DES. V. 7 1135 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10508785 JRNL DOI 10.1016/S0969-2126(99)80180-4 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : 0.53% OF REFLECTIONS REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.166 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.166 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3981 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 75433 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.143 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.143 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.166 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 3217 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 60671 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1971 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 332 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.020 REMARK 3 ANGLE DISTANCES (A) : 0.200 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.200 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.200 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: SWAT REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QTN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUN-99. REMARK 100 THE DEPOSITION ID IS D_1000009253. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-SEP-98 REMARK 200 TEMPERATURE (KELVIN) : 105.0 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.03 REMARK 200 MONOCHROMATOR : SILICON REMARK 200 OPTICS : NON-FOCUSING REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SMART REMARK 200 DATA SCALING SOFTWARE : SAINT REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 79890 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.0 REMARK 200 DATA REDUNDANCY : 3.730 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.26000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.350 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MR REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1CP3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3 MICROLITERS PROTEIN (8.4 MG/ ML IN REMARK 280 20 MM TRISHCL, 100MM DTT AT PH 8.0) MIXED WITH 3 MICROLITERS REMARK 280 WELL BUFFER (1.4 SODIUM CITRATE, 0.1M HEPES, AT PH 8.0) AT 4 REMARK 280 DEG. C, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 282K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 43.08333 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 86.16667 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 86.16667 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 43.08333 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 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 43.08333 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 B 725 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 THERE IS A COVALENT BOND BETWEEN ATOM SG OF CYS360A AND ATOM C OF REMARK 400 ASJ504C, FORMING A THIOHEMIACETAL REMARK 400 REMARK 400 THE N-(2-OXOETHYL)-L-ISOLEUCYL-L-ALPHA-GLUTAMYL-N-[(1R)-2-CARBOXY-1- REMARK 400 FORMYLETHYL]-L-THREONINAMIDE IS PEPTIDE-LIKE, A MEMBER OF INHIBITOR REMARK 400 CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: N-(2-OXOETHYL)-L-ISOLEUCYL-L-ALPHA-GLUTAMYL-N-[(1R)-2- REMARK 400 CARBOXY-1-FORMYLETHYL]-L-THREONINAMIDE REMARK 400 CHAIN: C REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL 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 211 REMARK 465 PRO A 212 REMARK 465 ARG A 213 REMARK 465 GLU A 214 REMARK 465 GLN A 215 REMARK 465 ASP A 216 REMARK 465 SER A 217 REMARK 465 GLU A 218 REMARK 465 SER A 219 REMARK 465 GLN A 220 REMARK 465 THR A 221 REMARK 465 LEU A 222 REMARK 465 LEU B 385 REMARK 465 SER B 386 REMARK 465 SER B 387 REMARK 465 PRO B 388 REMARK 465 GLN B 389 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ARG A 233 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 PHE A 355 CB - CG - CD1 ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG B 471 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES 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 MET A 228 67.82 -151.31 REMARK 500 HIS A 278 22.80 82.61 REMARK 500 ASN B 408 -8.94 82.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG B 413 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTD B 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTD A 506 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN C OF ACETYL-ILE-GLU-THR REMARK 800 -ASP-ALDEHYDE DBREF 1QTN A 223 374 UNP Q14790 ICE8_HUMAN 223 374 DBREF 1QTN B 390 479 UNP Q14790 ICE8_HUMAN 390 479 DBREF 1QTN C 500 504 PDB 1QTN 1QTN 500 504 SEQRES 1 A 164 SER PRO ARG GLU GLN ASP SER GLU SER GLN THR LEU ASP SEQRES 2 A 164 LYS VAL TYR GLN MET LYS SER LYS PRO ARG GLY TYR CYS SEQRES 3 A 164 LEU ILE ILE ASN ASN HIS ASN PHE ALA LYS ALA ARG GLU SEQRES 4 A 164 LYS VAL PRO LYS LEU HIS SER ILE ARG ASP ARG ASN GLY SEQRES 5 A 164 THR HIS LEU ASP ALA GLY ALA LEU THR THR THR PHE GLU SEQRES 6 A 164 GLU LEU HIS PHE GLU ILE LYS PRO HIS ASP ASP CYS THR SEQRES 7 A 164 VAL GLU GLN ILE TYR GLU ILE LEU LYS ILE TYR GLN LEU SEQRES 8 A 164 MET ASP HIS SER ASN MET ASP CYS PHE ILE CYS CYS ILE SEQRES 9 A 164 LEU SER HIS GLY ASP LYS GLY ILE ILE TYR GLY THR ASP SEQRES 10 A 164 GLY GLN GLU ALA PRO ILE TYR GLU LEU THR SER GLN PHE SEQRES 11 A 164 THR GLY LEU LYS CYS PRO SER LEU ALA GLY LYS PRO LYS SEQRES 12 A 164 VAL PHE PHE ILE GLN ALA CYS GLN GLY ASP ASN TYR GLN SEQRES 13 A 164 LYS GLY ILE PRO VAL GLU THR ASP SEQRES 1 B 95 LEU SER SER PRO GLN THR ARG TYR ILE PRO ASP GLU ALA SEQRES 2 B 95 ASP PHE LEU LEU GLY MET ALA THR VAL ASN ASN CYS VAL SEQRES 3 B 95 SER TYR ARG ASN PRO ALA GLU GLY THR TRP TYR ILE GLN SEQRES 4 B 95 SER LEU CYS GLN SER LEU ARG GLU ARG CYS PRO ARG GLY SEQRES 5 B 95 ASP ASP ILE LEU THR ILE LEU THR GLU VAL ASN TYR GLU SEQRES 6 B 95 VAL SER ASN LYS ASP ASP LYS LYS ASN MET GLY LYS GLN SEQRES 7 B 95 MET PRO GLN PRO THR PHE THR LEU ARG LYS LYS LEU VAL SEQRES 8 B 95 PHE PRO SER ASP SEQRES 1 C 5 ACE ILE GLU THR ASJ HET ACE C 500 3 HET ASJ C 504 8 HET DTD A 506 8 HET DTD B 505 8 HETNAM ACE ACETYL GROUP HETNAM ASJ (3S)-3-AMINO-4-HYDROXYBUTANOIC ACID HETNAM DTD DITHIANE DIOL FORMUL 3 ACE C2 H4 O FORMUL 3 ASJ C4 H9 N O3 FORMUL 4 DTD 2(C4 H8 O2 S2) FORMUL 6 HOH *332(H2 O) HELIX 1 1 PHE A 244 LYS A 250 5 7 HELIX 2 3 VAL A 289 MET A 302 1 14 HELIX 3 4 PRO A 332 THR A 341 1 10 HELIX 4 5 THR B 419 ARG B 435 1 17 HELIX 5 6 ASP B 438 ASN B 452 1 15 SHEET 1 A 4 HIS A 278 ASP A 286 0 SHEET 2 A 4 ARG A 233 ASN A 240 1 N ARG A 233 O HIS A 278 SHEET 3 A 4 CYS A 309 SER A 316 1 N CYS A 309 O ARG A 233 SHEET 4 A 4 PRO A 352 GLN A 358 1 O PRO A 352 N PHE A 310 SHEET 1 B 1 MET B 463 THR B 469 0 LINK SG CYS A 360 C ASJ C 504 1555 1555 1.77 LINK CH3 ACE C 500 N ILE C 501 1555 1555 2.41 LINK C ACE C 500 N ILE C 501 1555 1555 1.32 LINK C THR C 503 N ASJ C 504 1555 1555 1.33 CISPEP 1 LYS A 231 PRO A 232 0 10.26 SITE 1 AC1 9 TYR A 334 THR A 337 GLU B 396 PHE B 399 SITE 2 AC1 9 LEU B 401 THR B 469 HOH B 657 HOH B 681 SITE 3 AC1 9 HOH B 690 SITE 1 AC2 6 LYS A 231 PRO A 232 HIS A 278 GLU A 290 SITE 2 AC2 6 GLU A 294 HOH A 714 SITE 1 AC3 21 ARG A 260 HIS A 317 GLY A 318 GLN A 358 SITE 2 AC3 21 CYS A 360 HOH A 694 SER B 411 TYR B 412 SITE 3 AC3 21 ARG B 413 PRO B 415 TRP B 420 HOH B 665 SITE 4 AC3 21 HOH C 632 HOH C 675 HOH C 677 HOH C 759 SITE 5 AC3 21 HOH C 797 HOH C 878 HOH C 890 HOH C 909 SITE 6 AC3 21 HOH C 914 CRYST1 62.400 62.400 129.250 90.00 90.00 120.00 P 31 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 0.016026 0.009252 0.000000 0.00000 SCALE2 0.000000 0.018505 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007737 0.00000