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(-) Description

Title :  CRYSTAL STRUCTURE OF PSEUDOMONAS AERUGINOSA LECTIN LECA COMPLEXED WITH RESORUFIN-B-D-GALACTOPYRANOSIDE AT 1.76 A RESOLUTION
 
Authors :  R. U. Kadam, A. Stocker, J. L. Reymond
Date :  06 Jul 13  (Deposition) - 30 Oct 13  (Release) - 30 Oct 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.76
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B,C,D  (1x)
Biol. Unit 2:  A,B  (1x)
Biol. Unit 3:  C (1x),D (1x)
Keywords :  Lectin Fold, Sugar Binding Protein, Galactose (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. U. Kadam, D. Garg, J. Schwartz, R. Visini, M. Sattler, A. Stocker, T. Darbre, J. L. Reymond
Ch-Pi "T-Shape" Interaction With Histidine Explains Binding Of Aromatic Galactosides To Pseudomonas Aeruginosa Lectin Leca
Acs Chem. Biol. V. 8 1925 2013
PubMed-ID: 23869965  |  Reference-DOI: 10.1021/CB400303W

(-) Compounds

Molecule 1 - PA-I GALACTOPHILIC LECTIN
    Chains: A, B, C, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET25PAIL
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: LECA, PA1L, PA2570
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 208964
    Strain: ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): ABCD
Biological Unit 2 (1x): AB  
Biological Unit 3 (1x):   C (1x)D (1x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 12)

Asymmetric Unit (3, 12)
No.NameCountTypeFull Name
104G4Ligand/Ion7-HYDROXY-3H-PHENOXAZIN-3-ONE
2CA4Ligand/IonCALCIUM ION
3GAL4Ligand/IonBETA-D-GALACTOSE
Biological Unit 1 (2, 8)
No.NameCountTypeFull Name
104G4Ligand/Ion7-HYDROXY-3H-PHENOXAZIN-3-ONE
2CA-1Ligand/IonCALCIUM ION
3GAL4Ligand/IonBETA-D-GALACTOSE
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
104G2Ligand/Ion7-HYDROXY-3H-PHENOXAZIN-3-ONE
2CA-1Ligand/IonCALCIUM ION
3GAL2Ligand/IonBETA-D-GALACTOSE
Biological Unit 3 (2, 2)
No.NameCountTypeFull Name
104G1Ligand/Ion7-HYDROXY-3H-PHENOXAZIN-3-ONE
2CA-1Ligand/IonCALCIUM ION
3GAL1Ligand/IonBETA-D-GALACTOSE

(-) Sites  (12, 12)

Asymmetric Unit (12, 12)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETYR A:36 , ASP A:100 , THR A:104 , ASN A:107 , ASN A:108 , GAL A:203BINDING SITE FOR RESIDUE CA A 901
02AC2SOFTWARETYR A:36 , HIS A:50 , GLN A:53 , GAL A:203 , HOH A:1042 , 04G C:202BINDING SITE FOR RESIDUE 04G A 202
03AC3SOFTWARETYR A:36 , HIS A:50 , GLN A:53 , ASP A:100 , THR A:104 , ASN A:107 , 04G A:202 , CA A:901 , HOH A:1007 , PRO C:38 , HOH C:301 , HOH C:306BINDING SITE FOR RESIDUE GAL A 203
04AC4SOFTWARETYR B:36 , ASP B:100 , THR B:104 , ASN B:107 , ASN B:108 , GAL B:203BINDING SITE FOR RESIDUE CA B 201
05AC5SOFTWARETYR B:36 , HIS B:50 , GLN B:53 , GAL B:203 , HOH B:303 , PRO D:38 , THR D:39BINDING SITE FOR RESIDUE 04G B 202
06AC6SOFTWARETYR B:36 , HIS B:50 , GLN B:53 , ASP B:100 , THR B:104 , ASN B:107 , CA B:201 , 04G B:202 , HOH B:303 , HOH B:310 , HOH B:313BINDING SITE FOR RESIDUE GAL B 203
07AC7SOFTWARETYR C:36 , ASP C:100 , THR C:104 , ASN C:107 , ASN C:108 , GAL C:203BINDING SITE FOR RESIDUE CA C 201
08AC8SOFTWARE04G A:202 , TYR C:36 , HIS C:50 , GLN C:53 , GAL C:203 , HOH C:399BINDING SITE FOR RESIDUE 04G C 202
09AC9SOFTWARETYR C:36 , HIS C:50 , GLN C:53 , ASP C:100 , THR C:104 , ASN C:107 , CA C:201 , 04G C:202 , HOH C:302 , HOH C:308 , HOH C:316BINDING SITE FOR RESIDUE GAL C 203
10BC1SOFTWARETYR D:36 , ASP D:100 , THR D:104 , ASN D:107 , ASN D:108 , GAL D:203BINDING SITE FOR RESIDUE CA D 201
11BC2SOFTWAREHIS D:50 , GLN D:53 , GAL D:203 , HOH D:325BINDING SITE FOR RESIDUE 04G D 202
12BC3SOFTWARETYR D:36 , HIS D:50 , GLN D:53 , ASP D:100 , THR D:104 , ASN D:107 , CA D:201 , 04G D:202 , HOH D:325 , HOH D:340 , HOH D:345 , HOH D:385BINDING SITE FOR RESIDUE GAL D 203

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4LK7)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4LK7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4LK7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4LK7)

(-) Exons   (0, 0)

(no "Exon" information available for 4LK7)

(-) Sequences/Alignments

Asymmetric 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:121
                                                                                                                                                         
               SCOP domains d4lk7a_ A: PA-IL, galactose-binding lectin 1                                                                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.............................eeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lk7 A   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain B from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains d4lk7b_ B: PA-IL, galactose-binding lectin 1                                                                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.............................eeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lk7 B   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain C from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains d4lk7c_ C: PA-IL, galactose-binding lectin 1                                                                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.............................eeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lk7 C   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain D from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains d4lk7d_ D: PA-IL, galactose-binding lectin 1                                                                              SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lk7 D   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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  (1, 4)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4LK7)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4LK7)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)

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 Related Entries

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UniProtKB/Swiss-Prot
        PA1L_PSEAE | Q05097: 1l7l 1oko 1uoj 2vxj 2wyf 3zyb 3zyf 3zyh 4a6s 4al9 4cp9 4cpb 4ljh 4lk6 4lkd 4lke 4lkf 4yw6 4yw7 4ywa 5d21

(-) Related Entries Specified in the PDB File

4ljh 4lk6