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- PDB-7cpa: COMPARISON OF THE STRUCTURES OF THREE CARBOXYPEPTIDASE A-PHOSPHON... -

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Basic information

Entry
Database: PDB / ID: 7cpa
TitleCOMPARISON OF THE STRUCTURES OF THREE CARBOXYPEPTIDASE A-PHOSPHONATE COMPLEXES DETERMINED BY X-RAY CRYSTALLOGRAPHY
ComponentsCARBOXYPEPTIDASE A
KeywordsHYDROLASE(C-TERMINAL PEPTIDASE)
Function / homology
Function and homology information


carboxypeptidase A / leukotriene metabolic process / metallocarboxypeptidase activity / proteolysis / extracellular space / zinc ion binding
Similarity search - Function
Carboxypeptidase A, carboxypeptidase domain / Carboxypeptidase, activation peptide / Metallocarboxypeptidase-like, propeptide / Carboxypeptidase activation peptide / Zinc carboxypeptidases, zinc-binding region 2 signature. / Zinc carboxypeptidases, zinc-binding region 1 signature. / Zn_pept / Zinc carboxypeptidase / Peptidase family M14 domain profile. / Peptidase M14, carboxypeptidase A ...Carboxypeptidase A, carboxypeptidase domain / Carboxypeptidase, activation peptide / Metallocarboxypeptidase-like, propeptide / Carboxypeptidase activation peptide / Zinc carboxypeptidases, zinc-binding region 2 signature. / Zinc carboxypeptidases, zinc-binding region 1 signature. / Zn_pept / Zinc carboxypeptidase / Peptidase family M14 domain profile. / Peptidase M14, carboxypeptidase A / Zn peptidases / Aminopeptidase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-FVF / Carboxypeptidase A1
Similarity search - Component
Biological speciesBos taurus (domestic cattle)
MethodX-RAY DIFFRACTION / Resolution: 2 Å
AuthorsKim, H. / Lipscomb, W.N.
Citation
Journal: Biochemistry / Year: 1991
Title: Comparison of the structures of three carboxypeptidase A-phosphonate complexes determined by X-ray crystallography.
Authors: Kim, H. / Lipscomb, W.N.
#1: Journal: Biochemistry / Year: 1991
Title: Synthesis and Evaluation of an Inhibitor of Carboxypeptidase a with a KI Value in the Femtomolar Range
Authors: Kaplan, A.P. / Bartlett, P.A.
#2: Journal: Biochemistry / Year: 1990
Title: Crystal Structure of the Complex of Carboxypeptidase a with a Strongly Bound Phosphonate in a New Crystalline Form: Comparison with Structures of Other Complexes
Authors: Kim, H. / Lipscomb, W.N.
#3: Journal: J.Mol.Biol. / Year: 1983
Title: Refined Crystal Structure of Carboxypeptidase a at 1.54 Angstroms Resolution
Authors: Rees, D.C. / Lewis, M. / Lipscomb, W.N.
#4: Journal: Atlas of Protein Sequence and Structure (Data Section)
Year: 1972
History
DepositionMay 21, 1991Processing site: BNL
Revision 1.0Jan 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jun 5, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: CARBOXYPEPTIDASE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,0903
Polymers34,4421
Non-polymers6482
Water3,999222
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)65.300, 63.400, 76.000
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Atom site foot note1: SER 197 - TYR 198 OMEGA ANGLE = 359.248 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
2: ARG 272 - ASP 273 OMEGA ANGLE = 0.583 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION
3: RESIDUE PRO 205 IS A CIS PROLINE.

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Components

#1: Protein CARBOXYPEPTIDASE A


Mass: 34442.461 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (domestic cattle) / Organ: PANCREAS / References: UniProt: P00730, carboxypeptidase A
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-FVF / O-((((N-PHENYL-METHOXY-CARBONYL)-PHENYL ALANYL-CARBONYL)AMINO)-ISOBUTYL)HYDROXY PHOSPHINYL)-3-PHENYLACETIC ACID


Mass: 582.581 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C30H35N2O8P
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 222 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsSEQUENCE ADVISORY NOTICE: THE SEQUENCE WAS OBTAINED FROM REFERENCE 4. DIFFERENCE BETWEEN SWISS-PROT ...SEQUENCE ADVISORY NOTICE: THE SEQUENCE WAS OBTAINED FROM REFERENCE 4. DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. SWISS-PROT ENTRY NAME: CBPA_BOVIN SWISS-PROT RESIDUE PDB SEQRES NAME NUMBER NAME CHAIN SEQ/INSERT CODE GLU 138 GLN 28 GLN 141 GLU 31 ASP 199 ASN 89 ASP 203 ASN 93 ASP 224 ASN 114 GLN 132 GLU 122 ASP 195 ASN 185 GLU 338 ALA 228

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.28 Å3/Da / Density % sol: 46.13 %
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Details: referred to 'Kim, H.', (1990) Biochemistry, 29, 5546-5555
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
26 %PEG80001reservoir
1enzyme-inhibitor solution1drop

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementRfactor Rwork: 0.189 / Rfactor obs: 0.189 / Highest resolution: 2 Å
Refinement stepCycle: LAST / Highest resolution: 2 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2437 0 42 222 2701
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.013
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg2.9
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Highest resolution: 2 Å / Rfactor obs: 0.189
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: x_angle_d / Dev ideal: 2.9

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