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(-) Description

Title :  CRYSTAL STRUCTUE OF THE CYTOSOLIC DOMAIN OF T. MARITIMA FEOB IRON IRANSPORTER IN APO FORM
 
Authors :  M. Hattori, R. Ishitani, O. Nureki
Date :  22 Apr 09  (Deposition) - 22 Sep 09  (Release) - 03 Nov 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Feob, Iron Transporter, Small Gtpase, G Protein, Gdi, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Hattori, Y. Jin, H. Nishimasu, Y. Tanaka, M. Mochizuki, T. Uchiumi, R. Ishitani, K. Ito, O. Nureki
Structural Basis Of Novel Interactions Between The Small-Gtpase And Gdi-Like Domains In Prokaryotic Feob Iron Transporter
Structure V. 17 1345 2009
PubMed-ID: 19733088  |  Reference-DOI: 10.1016/J.STR.2009.08.007
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - IRON(II) TRANSPORT PROTEIN B
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: C41(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 17-269
    Gene: TM0051
    Organism Scientific: THERMOTOGA MARITIMA
    Organism Taxid: 2336

 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  (4, 6)

Asymmetric Unit (4, 6)
No.NameCountTypeFull Name
1EPE1Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
2MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3MRD1Ligand/Ion(4R)-2-METHYLPENTANE-2,4-DIOL
4SO42Ligand/IonSULFATE ION
Biological Unit 1 (3, 3)
No.NameCountTypeFull Name
1EPE1Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
2MPD1Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3MRD-1Ligand/Ion(4R)-2-METHYLPENTANE-2,4-DIOL
4SO41Ligand/IonSULFATE ION
Biological Unit 2 (3, 3)
No.NameCountTypeFull Name
1EPE-1Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
2MPD1Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3MRD1Ligand/Ion(4R)-2-METHYLPENTANE-2,4-DIOL
4SO41Ligand/IonSULFATE ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:26 , VAL A:27 , GLY A:28 , LYS A:29 , THR A:30 , SER A:31 , HOH A:280 , HOH A:282BINDING SITE FOR RESIDUE SO4 A 4
2AC2SOFTWAREGLU A:230BINDING SITE FOR RESIDUE MPD A 5
3AC3SOFTWAREASN A:26 , GLY A:28 , SER A:31 , ASP A:103 , ASN A:106 , ALA A:130 , HOH A:286 , HOH A:306BINDING SITE FOR RESIDUE EPE A 6
4AC4SOFTWAREMPD B:2 , SER B:222 , GLY B:223 , PRO B:225 , ARG B:248BINDING SITE FOR RESIDUE MRD B 1
5AC5SOFTWARESER A:222 , GLY A:223 , PRO A:225 , ARG A:248 , HOH A:311 , MRD B:1 , GLU B:241BINDING SITE FOR RESIDUE MPD B 2
6AC6SOFTWAREASN B:26 , GLY B:28 , SER B:31 , HOH B:289BINDING SITE FOR RESIDUE SO4 B 3

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3A1V)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3A1V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3A1V)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3A1V)

(-) Exons   (0, 0)

(no "Exon" information available for 3A1V)

(-) 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:252
 aligned with Q9WXQ8_THEMA | Q9WXQ8 from UniProtKB/TrEMBL  Length:669

    Alignment length:254
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264    
         Q9WXQ8_THEMA    15 KIVKVALAGCPNVGKTSLFNALTGTKQYVANWPGVTVEKKEGVFTYKGYTINLIDLPGTYSLGYSSIDEKIARDYLLKGDADLVILVADSVNPEQSLYLLLEILEMEKKVILAMTAIDEAKKTGMKIDRYELQKHLGIPVVFTSSVTGEGLEELKEKIVEYAQKNTILHRMILDYGEKVESEIKKVENFLRDKKLRINPRYFALKYLSGDPEFYSEGVKLGLPELSEEERIGYRLLIAKRKREYVENVVKEAFA 268
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee.....hhhhhhhhhhh..eeeee......eeeeeeeee..eeeeeee..........hhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhhh....eeeeeehhhhhhhh....hhhhhhhhhh..eee.......hhhhhhhhhhhhhh...--......hhhhhhhhhhhhhhhhh......hhhhhhhhhhh.hhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3a1v A  15 HMVKVALAGCPNVGKTSLFNALTGTKQYVANWPGVTVEKKEGVFTYKGYTINLIDLPGTYSLGYSSIDEKIARDYLLKGDADLVILVADSVNPEQSLYLLLEILEMEKKVILAMTAIDEAKKTGMKIDRYELQKHLGIPVVFTSSVTGEGLEELKEKIVEYAQKNT--HRMILDYGEKVESEIKKVENFLRDKKLRINPRYFALKYLSGDPEFYSEGVKLGLPELSEEERIGYRLLIAKRKREYVENVVKEAFA 268
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174     | 184       194       204       214       224       234       244       254       264    
                                                                                                                                                                                               180  |                                                                                     
                                                                                                                                                                                                  183                                                                                     


Chain B from PDB  Type:PROTEIN  Length:245
 aligned with Q9WXQ8_THEMA | Q9WXQ8 from UniProtKB/TrEMBL  Length:669

    Alignment length:251
                                    25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265 
         Q9WXQ8_THEMA    16 IVKVALAGCPNVGKTSLFNALTGTKQYVANWPGVTVEKKEGVFTYKGYTINLIDLPGTYSLGYSSIDEKIARDYLLKGDADLVILVADSVNPEQSLYLLLEILEMEKKVILAMTAIDEAKKTGMKIDRYELQKHLGIPVVFTSSVTGEGLEELKEKIVEYAQKNTILHRMILDYGEKVESEIKKVENFLRDKKLRINPRYFALKYLSGDPEFYSEGVKLGLPELSEEERIGYRLLIAKRKREYVENVVKEA 266
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....hhhhhhhhhhh...eeee......eeee-.eee..eeeeeee..........hhhhhhhhhhhhhh...eeeee.....hhhhhhhhhhhhh....eeee..-----.......hhhhhhhhhh..ee........hhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhh.......hhhhhhhhhhh...hhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3a1v B  16 MVKVALAGCPNVGKTSLFNALTGTKQYVANWPGVTVEKKE-VFTYKGYTINLIDLPGTYSLGYSSIDEKIARDYLLKGDADLVILVADSVNPEQSLYLLLEILEMEKKVILAMT-----KKTGMKIDRYELQKHLGIPVVFTSSVTGEGLEELKEKIVEYAQKNTILHRMILDYGEKVESEIKKVENFLRDKKLRINPRYFALKYLSGDPEFYSEGVKLGLPELSEEERIGYRLLIAKRKREYVENVVKEA 266
                                    25        35        45        55 |      65        75        85        95       105       115       125   |   135       145       155       165       175       185       195       205       215       225       235       245       255       265 
                                                                  55 |                                                                     129   135                                                                                                                                   
                                                                    57
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 3A1V)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3A1V)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3A1V)

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q9WXQ8_THEMA | Q9WXQ8)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0015093    ferrous iron transmembrane transporter activity    Enables the transfer of ferrous iron (Fe(II) or Fe2+) ions from one side of a membrane to the other.
biological process
    GO:1903874    ferrous iron transmembrane transport    The directed movement of ferrous iron (iron(2+)) across a membrane.
    GO:0015684    ferrous iron transport    The directed movement of ferrous iron (Fe(II) or Fe2+) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0055072    iron ion homeostasis    Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/TrEMBL
        Q9WXQ8_THEMA | Q9WXQ8: 3a1s 3a1t 3a1u 3a1w

(-) Related Entries Specified in the PDB File

3ais 3ait 3aiu 3aiw