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(-) Description

Title :  THE CRYSTAL STRUCTURE OF HUMAN PLASMA KALLIKREIN IN COMPLEX WITH ITS PEPTIDE INHIBITOR PKALIN-1
 
Authors :  M. Xu, L. Jiang, P. Xu, Z. Luo, P. Andreasen, M. Huang
Date :  09 Dec 15  (Deposition) - 14 Dec 16  (Release) - 14 Dec 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Peptide Inhibitor, Hydrolase-Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Xu, L. Jiang, P. Xu, Z. Luo, P. Andreasen, M. Huang
The Crystal Structure Of Human Plasma Kallikrein In Complex With Its Peptide Inhibitor Pkalin-1
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - PLASMA KALLIKREIN LIGHT CHAIN
    Chains: A
    EC Number: 3.4.21.34
    Engineered: YES
    Expression System: KOMAGATAELLA PASTORIS
    Expression System Taxid: 4922
    Fragment: UNP RESIDUES 391-629
    Gene: KLKB1, KLK3
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: FLETCHER FACTOR,KININOGENIN,PLASMA PREKALLIKREIN,PKK
 
Molecule 2 - CYS-PRO-ALA-ARG-PHE-M70-ALA-LEU-PHE-CYS
    Chains: B
    Engineered: YES
    Organism Scientific: SYNTHETIC CONSTRUCT
    Organism Taxid: 32630
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric/Biological Unit (2, 6)
No.NameCountTypeFull Name
1MRZ1Ligand/IonPIPERIDINE-1-CARBOXIMIDAMIDE
2SO45Ligand/IonSULFATE ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU A:37 , THR A:38 , ALA A:38A , ARG A:39 , LYS A:119 , LYS A:185 , HOH A:498binding site for residue SO4 A 301
2AC2SOFTWARETRP A:24 , GLY A:25 , TRP A:27 , GLY A:69 , ILE A:70 , LEU A:71 , PHE A:117 , LEU A:155 , HOH A:464binding site for residue SO4 A 302
3AC3SOFTWAREGLY A:69 , THR A:115 , PHE A:117 , GLN A:118 , HOH A:419binding site for residue SO4 A 303
4AC4SOFTWAREGLU A:26 , TRP A:27 , TRP A:137 , LYS A:157 , HOH A:489 , HOH A:523 , HOH A:539binding site for residue SO4 A 304
5AC5SOFTWAREASN A:21 , ILE A:132 , HOH A:537binding site for residue SO4 A 305
6AC6SOFTWAREASP A:189 , ALA A:190 , THR A:213 , SER A:214 , GLY A:216 , GLY A:219 , GLY A:226 , PHE B:5 , ALA B:6binding site for residue MRZ B 100

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1A:42 -A:58
2A:136 -A:201
3A:168 -A:182
4A:191 -A:220
5B:1 -B:10

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ser A:130 -Thr A:131

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5F8Z)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5F8Z)

(-) Exons   (0, 0)

(no "Exon" information available for 5F8Z)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:239
                                                                                                                                                                                                                                                                                
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee........eeeeeee...eeeeeeeeeee..eeeehhhhhh...hhh.eeee....hhhhh........eeeeee.............eeeee...........................eeeee..............eeee..eehhhhhhhh.........eeee................eeeeee..eeeeeeeeee..........eeeee...hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                5f8z A   16 IVGGTNSSWGEWPWQVSLQVKLTAQRHLCGGSLIGHQWVLTAAHCFDGLPLQDVWRIYSGILNLSDITKDTPFSQIKEIIIHQNYKVSEGNHDIALIKLQAPLNYTEFQKPISLPSKGDTSTIYTNCWVTGWGFSKEKGEIQNILQKVNIPLVTNEECQKRYQDYKITQRMVCAGYKEGGKDACKGDSGGPLVCKHNGMWRLVGITSWGEGCARREQPGVYTKVAEYMDWILEKTQSSD  246
                                    25        35   ||   43        53       60C |||||  69        79        89        99       109       119       129       139       150       160       170   |   179     |186B||     197      208C|      217|  |   227       237         
                                                 38A|                    60A|| |||||                                                                                148|                    173A        184A  ||||             205|||      217|  |                         
                                                  38B                     60B| |||||                                                                                 150                                   186A|||             208B||       219  |                         
                                                                           60C |||||                                                                                                                        186B||              208C|         221A                         
                                                                              62||||                                                                                                                         186C|               208D                                      
                                                                              65B|||                                                                                                                           189                                                         
                                                                               65C||                                                                                                                                                                                       
                                                                                65D|                                                                                                                                                                                       
                                                                                 65E                                                                                                                                                                                       


Chain B from PDB  Type:PROTEIN  Length:10
                                           
               SCOP domains ---------- SCOP domains
               CATH domains ---------- CATH domains
               Pfam domains ---------- Pfam domains
         Sec.struct. author .......... Sec.struct. author
                 SAPs(SNPs) ---------- SAPs(SNPs)
                    PROSITE ---------- PROSITE
                 Transcript ---------- Transcript
                5f8z B    1 CPARFAALFC   10
                                    10
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 5F8Z)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5F8Z)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5F8Z)

(-) Gene Ontology  (21, 21)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        KLKB1_HUMAN | P03952: 2anw 2any 4ogx 4ogy 5f8t 5f8x 5tjx

(-) Related Entries Specified in the PDB File

5f8t 5f8x