1ZG9 - Header Asymmetric Unit

HEADER HYDROLASE 20-APR-05 1ZG9

TITLE CRYSTAL STRUCTURE OF 5-{[AMINO(IMINO)METHYL]AMINO}-2- TITLE 2 (SULFANYLMETHYL)PENTANOIC ACID BOUND TO ACTIVATED PORCINE TITLE 3 PANCREATIC CARBOXYPEPTIDASE B

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROCARBOXYPEPTIDASE B; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 EC: 3.4.17.2

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823

KEYWDS CARBOXYPEPTIDASE B, EXOPEPTIDASE, THIOL BASED INHIBITOR, KEYWDS 2 HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR M.ADLER,J.BRYANT,B.BUCKMAN,I.ISLAM,B.LARSEN,S.FINSTER, AUTHOR 2 L.KENT,K.MAY,R.MOHAN,S.YUAN,M.WHITLOW

REVDAT 2 24-FEB-09 1ZG9 1 VERSN REVDAT 1 12-JUL-05 1ZG9 0

JRNL AUTH M.ADLER,J.BRYANT,B.BUCKMAN,I.ISLAM,B.LARSEN, JRNL AUTH 2 S.FINSTER,L.KENT,K.MAY,R.MOHAN,S.YUAN,M.WHITLOW JRNL TITL CRYSTAL STRUCTURES OF POTENT THIOL-BASED JRNL TITL 2 INHIBITORS BOUND TO CARBOXYPEPTIDASE B. JRNL REF BIOCHEMISTRY V. 44 9339 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15982000 JRNL DOI 10.1021/BI0501941

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.2 REMARK 3 NUMBER OF REFLECTIONS : 56660 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.203 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2246 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7551 REMARK 3 BIN R VALUE (WORKING SET) : 0.2750 REMARK 3 BIN FREE R VALUE : 0.3153 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 288 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7320 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 468 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.63830 REMARK 3 B22 (A**2) : -5.81710 REMARK 3 B33 (A**2) : 6.45540 REMARK 3 B12 (A**2) : 0.00000 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.83 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 1.44 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 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 1ZG9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-APR-05. REMARK 100 THE RCSB ID CODE IS RCSB032684.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.080 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 58319 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 91.3 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1NAS CATALYTIC DOMAIN REMARK 200 REMARK 200 REMARK: SOLVENT RING AT 2.23 (A) PREVENTED PROPER INTEGRATION REMARK 200 OF PEAKS BETWEEN 2.29 AND 2.20 (A). REFLECTIONS IN THIS RANGE REMARK 200 WERE DELETED FROM THE DATA SET. THE ORIGINAL DATA SET WAS 96.8%

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, TRIS, SODIUM REMARK 280 CACODYLATE, PEG 8000, PH 6.50, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K

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 33.41950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 68.07850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 51.24200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 68.07850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.41950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 51.24200 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER THAT CAN BE REMARK 300 GENERATED FROM EITHER CHAIN A, CHAIN B, OR CHAIN C.

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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 THR A 4 REMARK 465 THR B 4 REMARK 465 THR C 4 REMARK 465 LEU C 308

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 LYS A 122 -51.04 -129.75 REMARK 500 SER A 199 -25.24 137.37 REMARK 500 GLN A 200 71.41 65.37 REMARK 500 TYR A 248 152.39 170.27 REMARK 500 ALA A 250 118.21 -161.85 REMARK 500 ASP A 273 -145.43 -112.13 REMARK 500 LYS B 122 -37.57 -136.98 REMARK 500 TRP B 151 116.99 -39.46 REMARK 500 SER B 199 -22.02 142.46 REMARK 500 GLN B 200 67.13 62.64 REMARK 500 ASN B 215 31.15 -95.43 REMARK 500 ILE B 247 -103.57 -141.84 REMARK 500 ALA B 250 113.39 -162.46 REMARK 500 ASP B 273 -145.63 -107.76 REMARK 500 HIS B 307 28.27 -152.95 REMARK 500 LEU C 32 -18.62 -148.76 REMARK 500 ASN C 58 -0.54 66.55 REMARK 500 PRO C 60 -157.26 -72.66 REMARK 500 TRP C 151 121.07 -28.31 REMARK 500 SER C 199 -33.27 137.96 REMARK 500 GLN C 200 66.72 67.84 REMARK 500 PRO C 205 153.27 -49.89 REMARK 500 ILE C 247 -68.00 -105.28 REMARK 500 TYR C 248 159.54 173.42 REMARK 500 ALA C 250 105.29 -165.05 REMARK 500 ASP C 273 -134.36 -114.43 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 TYR A 240 0.07 SIDE_CHAIN REMARK 500 TYR C 234 0.07 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL

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 ZN A 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 72 OE1 REMARK 620 2 GLU A 72 OE2 53.9 REMARK 620 3 HIS A 196 ND1 139.6 85.7 REMARK 620 4 HIS A 69 ND1 93.9 117.5 105.2 REMARK 620 5 L06 A 401 S 93.2 124.7 114.0 106.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 500 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 69 ND1 REMARK 620 2 GLU B 72 OE2 98.4 REMARK 620 3 L06 B 501 S 113.0 98.3 REMARK 620 4 HIS B 196 ND1 88.8 151.8 103.9 REMARK 620 5 GLU B 72 OE1 116.8 55.9 126.1 96.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN C 600 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 72 OE2 REMARK 620 2 HIS C 196 ND1 87.1 REMARK 620 3 GLU C 72 OE1 57.1 144.1 REMARK 620 4 L06 C 601 S 126.3 112.1 91.4 REMARK 620 5 HIS C 69 ND1 110.0 102.6 91.5 113.3 REMARK 620 N 1 2 3 4

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 500 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN C 600 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L06 A 401 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L06 B 501 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE L06 C 601

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Z5R RELATED DB: PDB REMARK 900 ACTIVED PORCINE PANCREATIC CARBOXYPEPTIDASE B REMARK 900 RELATED ID: 1ZG7 RELATED DB: PDB REMARK 900 THIOL BASED INHIBITOR BOUND TO PORCINE PANCREATIC REMARK 900 CARBOXYPEPTIDASE B REMARK 900 RELATED ID: 1ZG8 RELATED DB: PDB REMARK 900 THIOL BASED INHIBITOR BOUND TO PORCINE PANCREATIC REMARK 900 CARBOXYPEPTIDASE B REMARK 900 RELATED ID: 1NSA RELATED DB: PDB REMARK 900 PRO FORM OF PORCINE PANCREATIC CARBOXYPEPTIDASE B REMARK 900 RELATED ID: 1KWM RELATED DB: PDB REMARK 900 PRO FORM OF HUMAN PANCREATIC CARBOXYPEPTIDASE B

DBREF 1ZG9 A 4 308 UNP P09955 CBPB1_PIG 111 416 DBREF 1ZG9 B 4 308 UNP P09955 CBPB1_PIG 111 416 DBREF 1ZG9 C 4 308 UNP P09955 CBPB1_PIG 111 416

SEQRES 1 A 306 THR THR GLY HIS SER TYR GLU LYS TYR ASN ASN TRP GLU SEQRES 2 A 306 THR ILE GLU ALA TRP THR LYS GLN VAL THR SER GLU ASN SEQRES 3 A 306 PRO ASP LEU ILE SER ARG THR ALA ILE GLY THR THR PHE SEQRES 4 A 306 LEU GLY ASN ASN ILE TYR LEU LEU LYS VAL GLY LYS PRO SEQRES 5 A 306 GLY PRO ASN LYS PRO ALA ILE PHE MET ASP CYS GLY PHE SEQRES 6 A 306 HIS ALA ARG GLU TRP ILE SER HIS ALA PHE CYS GLN TRP SEQRES 7 A 306 PHE VAL ARG GLU ALA VAL LEU THR TYR GLY TYR GLU SER SEQRES 8 A 306 HIS MET THR GLU PHE LEU ASN LYS LEU ASP PHE TYR VAL SEQRES 9 A 306 LEU PRO VAL LEU ASN ILE ASP GLY TYR ILE TYR THR TRP SEQRES 10 A 306 THR LYS ASN ARG MET TRP ARG LYS THR ARG SER THR ASN SEQRES 11 A 306 ALA GLY THR THR CYS ILE GLY THR ASP PRO ASN ARG ASN SEQRES 12 A 306 PHE ASP ALA GLY TRP CYS THR THR GLY ALA SER THR ASP SEQRES 13 A 306 PRO CYS ASP GLU THR TYR CYS GLY SER ALA ALA GLU SER SEQRES 14 A 306 GLU LYS GLU THR LYS ALA LEU ALA ASP PHE ILE ARG ASN SEQRES 15 A 306 ASN LEU SER SER ILE LYS ALA TYR LEU THR ILE HIS SER SEQRES 16 A 306 TYR SER GLN MET ILE LEU TYR PRO TYR SER TYR ASP TYR SEQRES 17 A 306 LYS LEU PRO GLU ASN ASN ALA GLU LEU ASN ASN LEU ALA SEQRES 18 A 306 LYS ALA ALA VAL LYS GLU LEU ALA THR LEU TYR GLY THR SEQRES 19 A 306 LYS TYR THR TYR GLY PRO GLY ALA THR THR ILE TYR PRO SEQRES 20 A 306 ALA ALA GLY GLY SER ASP ASP TRP ALA TYR ASP GLN GLY SEQRES 21 A 306 ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP LYS GLY SEQRES 22 A 306 ARG TYR GLY PHE ILE LEU PRO GLU SER GLN ILE GLN ALA SEQRES 23 A 306 THR CYS GLU GLU THR MET LEU ALA ILE LYS TYR VAL THR SEQRES 24 A 306 ASN TYR VAL LEU GLY HIS LEU SEQRES 1 B 306 THR THR GLY HIS SER TYR GLU LYS TYR ASN ASN TRP GLU SEQRES 2 B 306 THR ILE GLU ALA TRP THR LYS GLN VAL THR SER GLU ASN SEQRES 3 B 306 PRO ASP LEU ILE SER ARG THR ALA ILE GLY THR THR PHE SEQRES 4 B 306 LEU GLY ASN ASN ILE TYR LEU LEU LYS VAL GLY LYS PRO SEQRES 5 B 306 GLY PRO ASN LYS PRO ALA ILE PHE MET ASP CYS GLY PHE SEQRES 6 B 306 HIS ALA ARG GLU TRP ILE SER HIS ALA PHE CYS GLN TRP SEQRES 7 B 306 PHE VAL ARG GLU ALA VAL LEU THR TYR GLY TYR GLU SER SEQRES 8 B 306 HIS MET THR GLU PHE LEU ASN LYS LEU ASP PHE TYR VAL SEQRES 9 B 306 LEU PRO VAL LEU ASN ILE ASP GLY TYR ILE TYR THR TRP SEQRES 10 B 306 THR LYS ASN ARG MET TRP ARG LYS THR ARG SER THR ASN SEQRES 11 B 306 ALA GLY THR THR CYS ILE GLY THR ASP PRO ASN ARG ASN SEQRES 12 B 306 PHE ASP ALA GLY TRP CYS THR THR GLY ALA SER THR ASP SEQRES 13 B 306 PRO CYS ASP GLU THR TYR CYS GLY SER ALA ALA GLU SER SEQRES 14 B 306 GLU LYS GLU THR LYS ALA LEU ALA ASP PHE ILE ARG ASN SEQRES 15 B 306 ASN LEU SER SER ILE LYS ALA TYR LEU THR ILE HIS SER SEQRES 16 B 306 TYR SER GLN MET ILE LEU TYR PRO TYR SER TYR ASP TYR SEQRES 17 B 306 LYS LEU PRO GLU ASN ASN ALA GLU LEU ASN ASN LEU ALA SEQRES 18 B 306 LYS ALA ALA VAL LYS GLU LEU ALA THR LEU TYR GLY THR SEQRES 19 B 306 LYS TYR THR TYR GLY PRO GLY ALA THR THR ILE TYR PRO SEQRES 20 B 306 ALA ALA GLY GLY SER ASP ASP TRP ALA TYR ASP GLN GLY SEQRES 21 B 306 ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP LYS GLY SEQRES 22 B 306 ARG TYR GLY PHE ILE LEU PRO GLU SER GLN ILE GLN ALA SEQRES 23 B 306 THR CYS GLU GLU THR MET LEU ALA ILE LYS TYR VAL THR SEQRES 24 B 306 ASN TYR VAL LEU GLY HIS LEU SEQRES 1 C 306 THR THR GLY HIS SER TYR GLU LYS TYR ASN ASN TRP GLU SEQRES 2 C 306 THR ILE GLU ALA TRP THR LYS GLN VAL THR SER GLU ASN SEQRES 3 C 306 PRO ASP LEU ILE SER ARG THR ALA ILE GLY THR THR PHE SEQRES 4 C 306 LEU GLY ASN ASN ILE TYR LEU LEU LYS VAL GLY LYS PRO SEQRES 5 C 306 GLY PRO ASN LYS PRO ALA ILE PHE MET ASP CYS GLY PHE SEQRES 6 C 306 HIS ALA ARG GLU TRP ILE SER HIS ALA PHE CYS GLN TRP SEQRES 7 C 306 PHE VAL ARG GLU ALA VAL LEU THR TYR GLY TYR GLU SER SEQRES 8 C 306 HIS MET THR GLU PHE LEU ASN LYS LEU ASP PHE TYR VAL SEQRES 9 C 306 LEU PRO VAL LEU ASN ILE ASP GLY TYR ILE TYR THR TRP SEQRES 10 C 306 THR LYS ASN ARG MET TRP ARG LYS THR ARG SER THR ASN SEQRES 11 C 306 ALA GLY THR THR CYS ILE GLY THR ASP PRO ASN ARG ASN SEQRES 12 C 306 PHE ASP ALA GLY TRP CYS THR THR GLY ALA SER THR ASP SEQRES 13 C 306 PRO CYS ASP GLU THR TYR CYS GLY SER ALA ALA GLU SER SEQRES 14 C 306 GLU LYS GLU THR LYS ALA LEU ALA ASP PHE ILE ARG ASN SEQRES 15 C 306 ASN LEU SER SER ILE LYS ALA TYR LEU THR ILE HIS SER SEQRES 16 C 306 TYR SER GLN MET ILE LEU TYR PRO TYR SER TYR ASP TYR SEQRES 17 C 306 LYS LEU PRO GLU ASN ASN ALA GLU LEU ASN ASN LEU ALA SEQRES 18 C 306 LYS ALA ALA VAL LYS GLU LEU ALA THR LEU TYR GLY THR SEQRES 19 C 306 LYS TYR THR TYR GLY PRO GLY ALA THR THR ILE TYR PRO SEQRES 20 C 306 ALA ALA GLY GLY SER ASP ASP TRP ALA TYR ASP GLN GLY SEQRES 21 C 306 ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP LYS GLY SEQRES 22 C 306 ARG TYR GLY PHE ILE LEU PRO GLU SER GLN ILE GLN ALA SEQRES 23 C 306 THR CYS GLU GLU THR MET LEU ALA ILE LYS TYR VAL THR SEQRES 24 C 306 ASN TYR VAL LEU GLY HIS LEU

HET ZN A 400 1 HET ZN B 500 1 HET ZN C 600 1 HET L06 A 401 13 HET L06 B 501 13 HET L06 C 601 13

HETNAM ZN ZINC ION HETNAM L06 5-{[AMINO(IMINO)METHYL]AMINO}-2-(SULFANYLMETHYL) HETNAM 2 L06 PENTANOIC ACID

FORMUL 4 ZN 3(ZN 2+) FORMUL 7 L06 3(C7 H15 N3 O2 S) FORMUL 10 HOH *468(H2 O)

HELIX 1 1 ASN A 14 ASN A 29 1 16 HELIX 2 2 GLU A 72 TYR A 90 1 19 HELIX 3 3 GLU A 93 LEU A 103 1 11 HELIX 4 4 ASN A 112 LYS A 122 1 11 HELIX 5 5 ASP A 142 ASN A 146 5 5 HELIX 6 6 GLU A 173 ASN A 186 1 14 HELIX 7 7 ASN A 215 THR A 232 1 18 HELIX 8 8 GLY A 243 ILE A 247 1 5 HELIX 9 9 GLY A 253 ASP A 260 1 8 HELIX 10 10 PRO A 282 SER A 284 5 3 HELIX 11 11 GLN A 285 GLY A 306 1 22 HELIX 12 12 ASN B 14 GLU B 28 1 15 HELIX 13 13 GLU B 72 TYR B 90 1 19 HELIX 14 14 GLU B 93 LEU B 103 1 11 HELIX 15 15 ASN B 112 LYS B 122 1 11 HELIX 16 16 ASP B 142 ASN B 146 5 5 HELIX 17 17 GLU B 173 ASN B 186 1 14 HELIX 18 18 ASN B 215 THR B 232 1 18 HELIX 19 19 GLY B 243 ILE B 247 1 5 HELIX 20 20 GLY B 253 GLN B 261 1 9 HELIX 21 21 PRO B 282 SER B 284 5 3 HELIX 22 22 GLN B 285 GLY B 306 1 22 HELIX 23 23 ASN C 14 ASN C 29 1 16 HELIX 24 24 GLU C 72 LEU C 88 1 17 HELIX 25 25 GLU C 93 LEU C 103 1 11 HELIX 26 26 ASN C 112 LYS C 122 1 11 HELIX 27 27 ASP C 142 ASN C 146 5 5 HELIX 28 28 GLU C 173 ASN C 185 1 13 HELIX 29 29 ASN C 215 THR C 232 1 18 HELIX 30 30 GLY C 243 ILE C 247 1 5 HELIX 31 31 GLY C 253 ASP C 260 1 8 HELIX 32 32 PRO C 282 SER C 284 5 3 HELIX 33 33 GLN C 285 HIS C 307 1 23

SHEET 1 A 8 ILE A 33 THR A 40 0 SHEET 2 A 8 ASN A 46 VAL A 52 -1 O LYS A 51 N SER A 34 SHEET 3 A 8 ASP A 104 LEU A 108 -1 O PHE A 105 N VAL A 52 SHEET 4 A 8 ALA A 61 ASP A 65 1 N MET A 64 O TYR A 106 SHEET 5 A 8 ILE A 189 HIS A 196 1 O LEU A 193 N PHE A 63 SHEET 6 A 8 TYR A 265 GLU A 270 1 O PHE A 269 N HIS A 196 SHEET 7 A 8 MET A 201 TYR A 204 -1 N LEU A 203 O THR A 268 SHEET 8 A 8 THR A 239 PRO A 242 1 O GLY A 241 N ILE A 202 SHEET 1 B 8 ILE B 33 THR B 40 0 SHEET 2 B 8 ASN B 46 VAL B 52 -1 O LYS B 51 N SER B 34 SHEET 3 B 8 ASP B 104 LEU B 108 -1 O PHE B 105 N VAL B 52 SHEET 4 B 8 ALA B 61 ASP B 65 1 N MET B 64 O TYR B 106 SHEET 5 B 8 ILE B 189 HIS B 196 1 O LYS B 190 N ALA B 61 SHEET 6 B 8 TYR B 265 GLU B 270 1 O PHE B 269 N HIS B 196 SHEET 7 B 8 MET B 201 TYR B 204 -1 N LEU B 203 O THR B 268 SHEET 8 B 8 THR B 239 PRO B 242 1 O THR B 239 N ILE B 202 SHEET 1 C 8 ILE C 33 THR C 40 0 SHEET 2 C 8 ASN C 46 VAL C 52 -1 O LYS C 51 N SER C 34 SHEET 3 C 8 ASP C 104 LEU C 108 -1 O VAL C 107 N LEU C 50 SHEET 4 C 8 ALA C 61 ASP C 65 1 N MET C 64 O TYR C 106 SHEET 5 C 8 ILE C 189 HIS C 196 1 O LEU C 193 N PHE C 63 SHEET 6 C 8 TYR C 265 GLU C 270 1 O PHE C 269 N HIS C 196 SHEET 7 C 8 MET C 201 TYR C 204 -1 N LEU C 203 O THR C 268 SHEET 8 C 8 THR C 239 PRO C 242 1 O GLY C 241 N ILE C 202

SSBOND 1 CYS A 66 CYS A 79 1555 1555 2.01 SSBOND 2 CYS A 138 CYS A 161 1555 1555 2.03 SSBOND 3 CYS A 152 CYS A 166 1555 1555 2.05 SSBOND 4 CYS B 66 CYS B 79 1555 1555 2.03 SSBOND 5 CYS B 138 CYS B 161 1555 1555 2.04 SSBOND 6 CYS B 152 CYS B 166 1555 1555 2.04 SSBOND 7 CYS C 66 CYS C 79 1555 1555 2.04 SSBOND 8 CYS C 138 CYS C 161 1555 1555 2.02 SSBOND 9 CYS C 152 CYS C 166 1555 1555 2.05

LINK ZN ZN A 400 OE1 GLU A 72 1555 1555 2.31 LINK ZN ZN A 400 OE2 GLU A 72 1555 1555 2.46 LINK ZN ZN A 400 ND1 HIS A 196 1555 1555 2.11 LINK ZN ZN A 400 ND1 HIS A 69 1555 1555 2.07 LINK ZN ZN A 400 S L06 A 401 1555 1555 2.17 LINK ZN ZN B 500 ND1 HIS B 69 1555 1555 2.07 LINK ZN ZN B 500 OE2 GLU B 72 1555 1555 2.13 LINK ZN ZN B 500 S L06 B 501 1555 1555 2.49 LINK ZN ZN B 500 ND1 HIS B 196 1555 1555 2.14 LINK ZN ZN B 500 OE1 GLU B 72 1555 1555 2.44 LINK ZN ZN C 600 OE2 GLU C 72 1555 1555 2.44 LINK ZN ZN C 600 ND1 HIS C 196 1555 1555 2.08 LINK ZN ZN C 600 OE1 GLU C 72 1555 1555 2.07 LINK ZN ZN C 600 S L06 C 601 1555 1555 2.38 LINK ZN ZN C 600 ND1 HIS C 69 1555 1555 2.01

CISPEP 1 SER A 197 TYR A 198 0 -0.73 CISPEP 2 PRO A 205 TYR A 206 0 0.85 CISPEP 3 ARG A 272 ASP A 273 0 -0.66 CISPEP 4 SER B 197 TYR B 198 0 -0.79 CISPEP 5 PRO B 205 TYR B 206 0 -0.94 CISPEP 6 ARG B 272 ASP B 273 0 -1.50 CISPEP 7 SER C 197 TYR C 198 0 -1.31 CISPEP 8 PRO C 205 TYR C 206 0 1.08 CISPEP 9 ARG C 272 ASP C 273 0 -1.12

SITE 1 AC1 4 HIS A 69 GLU A 72 HIS A 196 L06 A 401 SITE 1 AC2 4 HIS B 69 GLU B 72 HIS B 196 L06 B 501 SITE 1 AC3 4 HIS C 69 GLU C 72 HIS C 196 L06 C 601 SITE 1 AC4 17 HIS A 69 GLU A 72 ARG A 127 ASN A 144 SITE 2 AC4 17 ARG A 145 HIS A 196 LEU A 203 SER A 207 SITE 3 AC4 17 TYR A 248 ALA A 250 GLY A 253 ASP A 255 SITE 4 AC4 17 THR A 268 GLU A 270 ZN A 400 HOH A1022 SITE 5 AC4 17 HOH A1056 SITE 1 AC5 16 HIS B 69 GLU B 72 ARG B 127 ASN B 144 SITE 2 AC5 16 ARG B 145 HIS B 196 LEU B 203 SER B 207 SITE 3 AC5 16 TYR B 248 GLY B 253 ASP B 255 THR B 268 SITE 4 AC5 16 GLU B 270 ZN B 500 HOH B1142 HOH B1412 SITE 1 AC6 15 HIS C 69 GLU C 72 ARG C 127 ASN C 144 SITE 2 AC6 15 ARG C 145 HIS C 196 SER C 207 ILE C 247 SITE 3 AC6 15 TYR C 248 ALA C 250 GLY C 253 ASP C 255 SITE 4 AC6 15 GLU C 270 ZN C 600 HOH C1414

CRYST1 66.839 102.484 136.157 90.00 90.00 90.00 P 21 21 21 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 0.014961 0.000000 0.000000 0.00000

SCALE2 0.000000 0.009758 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007344 0.00000