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(-) Description

Title :  FEMALE-SPECIFIC HISTAMINE-BINDING PROTEIN 2, D24R MUTANT
 
Authors :  C. A. Dennis, S. W. Homans
Date :  11 Feb 09  (Deposition) - 16 Feb 10  (Release) - 16 Feb 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Lipocalin, Beta Barrel, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. R. Syme, C. A. Dennis, A. Bronowska, G. Paesen, S. W. Homans
Entropic Contributions To Binding In A 'Hydrophilic' Ligand-Protein Interaction
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - FEMALE-SPECIFIC HISTAMINE-BINDING PROTEIN 2
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET23A
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Common: BROWN EAR TICK
    Organism Scientific: RHIPICEPHALUS APPENDICULATUS
    Organism Taxid: 34631
    Synonym: FS-HBP2

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 5)

Asymmetric Unit (2, 5)
No.NameCountTypeFull Name
1GOL3Ligand/IonGLYCEROL
2HSM2Ligand/IonHISTAMINE
Biological Unit 1 (2, 3)
No.NameCountTypeFull Name
1GOL2Ligand/IonGLYCEROL
2HSM1Ligand/IonHISTAMINE
Biological Unit 2 (2, 2)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2HSM1Ligand/IonHISTAMINE

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:36 , ASP A:39 , TRP A:42 , GLU A:82 , TYR A:100 , PHE A:108 , ASP A:110 , VAL A:124 , GLU A:135 , HOH A:185BINDING SITE FOR RESIDUE HSM A 174
2AC2SOFTWARETYR B:36 , ASP B:39 , TRP B:42 , GLU B:82 , TYR B:100 , PHE B:108 , ASP B:110 , VAL B:124 , GLU B:135 , HOH B:189BINDING SITE FOR RESIDUE HSM B 176
3AC3SOFTWAREARG B:162 , ASP B:163 , HOH B:199 , HOH B:236 , HOH B:249BINDING SITE FOR RESIDUE GOL B 172
4AC4SOFTWAREASP A:7 , GLU A:8 , ALA A:9 , HOH A:278 , HOH A:354 , HOH A:424BINDING SITE FOR RESIDUE GOL A 172
5AC5SOFTWAREARG A:99BINDING SITE FOR RESIDUE GOL A 173

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:48 -A:169
2A:119 -A:148
3B:48 -B:169
4B:119 -B:148

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3G7X)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3G7X)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3G7X)

(-) Exons   (0, 0)

(no "Exon" information available for 3G7X)

(-) 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:171
 aligned with HBP2_RHIAP | O77421 from UniProtKB/Swiss-Prot  Length:190

    Alignment length:171
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189 
           HBP2_RHIAP    20 NQPDWADEAANGAHQDAWKSLKADVENVYYMVKATYKNDPVWGNDFTCVGVMANDVNEDEKSIQAEFLFMNNADTNMQFATEKVTAVKMYGYNRENAFRYETEDGQVFTDVIAYSDDNCDVIYVPGTDGNEEGYELWTTDYDNIPANCLNKFNEYAVGRETRDVFTSACLE 190
               SCOP domains d3g7xa_ A: automated matches                                                                                                                                                SCOP domains
               CATH domains 3g7xA00 A:1-171  [code=2.40.128.20, no name defined]                                                                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhhh.eeeeee...ee...ee..eeeeeeeeeee....eeeeeeeeee..eeeeeeeeeeeeee.........eeeeee....eeeeeeeeee..eeeeee........eeeeee.....eehhhhhhhhhhh.....ee..hhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3g7x A   1 NQPDWADEAANGAHQDAWKSLKARVENVYYMVKATYKNDPVWGNDFTCVGVMANDVNEDEKSIQAEFLFMNNADTNMQFATEKVTAVKMYGYNRENAFRYETEDGQVFTDVIAYSDDNCDVIYVPGTDGNEEGYELWTTDYDNIPANCLNKFNEYAVGRETRDVFTSACLE 171
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170 


Chain B from PDB  Type:PROTEIN  Length:170
 aligned with HBP2_RHIAP | O77421 from UniProtKB/Swiss-Prot  Length:190

    Alignment length:170
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190
           HBP2_RHIAP    21 QPDWADEAANGAHQDAWKSLKADVENVYYMVKATYKNDPVWGNDFTCVGVMANDVNEDEKSIQAEFLFMNNADTNMQFATEKVTAVKMYGYNRENAFRYETEDGQVFTDVIAYSDDNCDVIYVPGTDGNEEGYELWTTDYDNIPANCLNKFNEYAVGRETRDVFTSACLE 190
               SCOP domains d3g7xb_ B: automated matches                                                                                                                                               SCOP domains
               CATH domains 3g7xB00 B:2-171  [code=2.40.128.20, no name defined]                                                                                                                       CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhhhhhhh.eeeeee...ee...ee..eeeeeeeeeee....eeeeeeeee.......eeeeeeeeee.........eeeeee....eeeeeeeeee..eeeeee........eeeeee......hhhhhhhhhhhh.....ee..hhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3g7x B   2 QPDWADEAANGAHQDAWKSLKARVENVYYMVKATYKNDPVWGNDFTCVGVMANDVNEDEKSIQAEFLFMNNADTNMQFATEKVTAVKMYGYNRENAFRYETEDGQVFTDVIAYSDDNCDVIYVPGTDGNEEGYELWTTDYDNIPANCLNKFNEYAVGRETRDVFTSACLE 171
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171
   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  (1, 2)

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

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3G7X)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (HBP2_RHIAP | O77421)
molecular function
    GO:0043176    amine binding    Interacting selectively and non-covalently with any organic compound that is weakly basic in character and contains an amino or a substituted amino group.
biological process
    GO:0030682    evasion or tolerance of host defense response    Any process, either active or passive, by which an organism avoids or tolerates the effects of its host organism's defense response. The host defense response is mounted by the host in response to the presence of the organism. The host is defined as the larger of the organisms involved in a symbiotic interaction.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HBP2_RHIAP | O77421: 1qft 1qfv 3gaq

(-) Related Entries Specified in the PDB File

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