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PDBsum entry 3hqk

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protein Protein-protein interface(s) links
Transport protein PDB id
3hqk

 

 

 

 

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Contents
Protein chains
418 a.a. *
218 a.a. *
211 a.a. *
* Residue conservation analysis
Superseded by: 3ncy
PDB id:
3hqk
Name: Transport protein
Title: X-ray crystal structure of an arginine agmatine antiporter (adic) in complex with a fab fragment
Structure: Arginine/agmatine antiporter. Chain: a, b, c, d. Engineered: yes. Fab-light-chain. Chain: q, p. Engineered: yes. Fab-heavy-chain. Chain: w, s. Engineered: yes
Source: Salmonella enterica subsp. Enterica serovar typhimurium. Organism_taxid: 90371. Gene: adic, anic, p60066, stm4294. Expressed in: escherichia coli. Expression_system_taxid: 562. Mus musculus. Mouse. Organism_taxid: 10090.
Resolution:
3.20Å     R-factor:   0.297     R-free:   0.324
Authors: Y.Fang,H.Jayaram,T.Shane,L.Kolmakova-Partensky,F.Wu,C.Williams, Y.Xiong,C.Miller
Key ref: Y.Fang et al. (2009). Structure of a prokaryotic virtual proton pump at 3.2 A resolution. Nature, 460, 1040-1043. PubMed id: 19578361
Date:
07-Jun-09     Release date:   07-Jul-09    
PROCHECK
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 Headers
 References

Protein chains
Pfam   ArchSchema ?
P60066  (ADIC_SALTY) -  Arginine/agmatine antiporter from Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Seq:
Struc:
445 a.a.
418 a.a.
Protein chains
No UniProt id for this chain
Struc: 218 a.a.
Protein chains
No UniProt id for this chain
Struc: 211 a.a.
Key:    PfamA domain  Secondary structure  CATH domain

 

 
Nature 460:1040-1043 (2009)
PubMed id: 19578361  
 
 
Structure of a prokaryotic virtual proton pump at 3.2 A resolution.
Y.Fang, H.Jayaram, T.Shane, L.Kolmakova-Partensky, F.Wu, C.Williams, Y.Xiong, C.Miller.
 
  ABSTRACT  
 
To reach the mammalian gut, enteric bacteria must pass through the stomach. Many such organisms survive exposure to the harsh gastric environment (pH 1.5-4) by mounting extreme acid-resistance responses, one of which, the arginine-dependent system of Escherichia coli, has been studied at levels of cellular physiology, molecular genetics and protein biochemistry. This multiprotein system keeps the cytoplasm above pH 5 during acid challenge by continually pumping protons out of the cell using the free energy of arginine decarboxylation. At the heart of the process is a 'virtual proton pump' in the inner membrane, called AdiC, that imports L-arginine from the gastric juice and exports its decarboxylation product agmatine. AdiC belongs to the APC superfamily of membrane proteins, which transports amino acids, polyamines and organic cations in a multitude of biological roles, including delivery of arginine for nitric oxide synthesis, facilitation of insulin release from pancreatic beta-cells, and, when inappropriately overexpressed, provisioning of certain fast-growing neoplastic cells with amino acids. High-resolution structures and detailed transport mechanisms of APC transporters are currently unknown. Here we describe a crystal structure of AdiC at 3.2 A resolution. The protein is captured in an outward-open, substrate-free conformation with transmembrane architecture remarkably similar to that seen in four other families of apparently unrelated transport proteins.
 

Literature references that cite this PDB file's key reference

  PubMed id Reference
22484316 A.Picollo, Y.Xu, N.Johner, S.Bernèche, and A.Accardi (2012).
Synergistic substrate binding determines the stoichiometry of transport of a prokaryotic H(+)/Cl(-) exchanger.
  Nat Struct Mol Biol, 19, 525.  
22940865 C.Perez, C.Koshy, O.Yildiz, and C.Ziegler (2012).
Alternating-access mechanism in conformationally asymmetric trimers of the betaine transporter BetP.
  Nature, 490, 126-130.
PDB codes: 4ain 4doj
22407317 D.Ma, P.Lu, C.Yan, C.Fan, P.Yin, J.Wang, and Y.Shi (2012).
Structure and mechanism of a glutamate-GABA antiporter.
  Nature, 483, 632-636.
PDB codes: 4dji 4djk
23075985 L.Sun, X.Zeng, C.Yan, X.Sun, X.Gong, Y.Rao, and N.Yan (2012).
Crystal structure of a bacterial homologue of glucose transporters GLUT1-4.
  Nature, 490, 361-366.
PDB codes: 4gby 4gbz 4gc0
21423164 F.Lu, S.Li, Y.Jiang, J.Jiang, H.Fan, G.Lu, D.Deng, S.Dang, X.Zhang, J.Wang, and N.Yan (2011).
Structure and mechanism of the uracil transporter UraA.
  Nature, 472, 243-246.
PDB code: 3qe7
21478852 R.M.Bill, P.J.Henderson, S.Iwata, E.R.Kunji, H.Michel, R.Neutze, S.Newstead, B.Poolman, C.G.Tate, and H.Vogel (2011).
Overcoming barriers to membrane protein structure determination.
  Nat Biotechnol, 29, 335-340.  
21169684 S.Weyand, T.Shimamura, O.Beckstein, M.S.Sansom, S.Iwata, P.J.Henderson, and A.D.Cameron (2011).
The alternating access mechanism of transport as observed in the sodium-hydantoin transporter Mhp1.
  J Synchrotron Radiat, 18, 20-23.  
  20052679 A.Schlessinger, P.Matsson, J.E.Shima, U.Pieper, S.W.Yee, L.Kelly, L.Apeltsin, R.M.Stroud, T.E.Ferrin, K.M.Giacomini, and A.Sali (2010).
Comparison of human solute carriers.
  Protein Sci, 19, 412-428.  
21131949 A.Watanabe, S.Choe, V.Chaptal, J.M.Rosenberg, E.M.Wright, M.Grabe, and J.Abramson (2010).
The mechanism of sodium and substrate release from the binding pocket of vSGLT.
  Nature, 468, 988-991.
PDB code: 2xq2
21179170 C.L.Piscitelli, H.Krishnamurthy, and E.Gouaux (2010).
Neurotransmitter/sodium symporter orthologue LeuT has a single high-affinity substrate site.
  Nature, 468, 1129-1132.  
20051980 D.L.Theobald, and C.Miller (2010).
Membrane transport proteins: surprises in structural sameness.
  Nat Struct Mol Biol, 17, 2-3.  
20562855 D.P.Claxton, M.Quick, L.Shi, F.D.de Carvalho, H.Weinstein, J.A.Javitch, and H.S.McHaourab (2010).
Ion/substrate-dependent conformational dynamics of a bacterial homolog of neurotransmitter:sodium symporters.
  Nat Struct Mol Biol, 17, 822-829.  
20581204 G.Christie, H.Götzke, and C.R.Lowe (2010).
Identification of a receptor subunit and putative ligand-binding residues involved in the Bacillus megaterium QM B1551 spore germination response to glucose.
  J Bacteriol, 192, 4317-4326.  
20517292 J.Chillarón, M.Font-Llitjós, J.Fort, A.Zorzano, D.S.Goldfarb, V.Nunes, and M.Palacín (2010).
Pathophysiology and treatment of cystinuria.
  Nat Rev Nephrol, 6, 424-434.  
20667175 K.R.Vinothkumar, and R.Henderson (2010).
Structures of membrane proteins.
  Q Rev Biophys, 43, 65.  
20357772 L.Tang, L.Bai, W.H.Wang, and T.Jiang (2010).
Crystal structure of the carnitine transporter and insights into the antiport mechanism.
  Nat Struct Mol Biol, 17, 492-496.
PDB code: 3hfx
  20865057 S.A.Shaikh, and E.Tajkhorshid (2010).
Modeling and dynamics of the inward-facing state of a Na+/Cl- dependent neurotransmitter transporter homologue.
  PLoS Comput Biol, 6, 0.  
20838682 S.Chang, J.P.Hu, P.Y.Lin, X.Jiao, and X.H.Tian (2010).
Substrate recognition and transport behavior analyses of amino acid antiporter with coarse-grained models.
  Mol Biosyst, 6, 2430-2438.  
20829798 S.Schulze, S.Köster, U.Geldmacher, A.C.Terwisscha van Scheltinga, and W.Kühlbrandt (2010).
Structural basis of Na(+)-independent and cooperative substrate/product antiport in CaiT.
  Nature, 467, 233-236.
PDB codes: 2wsw 2wsx
20413494 T.Shimamura, S.Weyand, O.Beckstein, N.G.Rutherford, J.M.Hadden, D.Sharples, M.S.Sansom, S.Iwata, P.J.Henderson, and A.D.Cameron (2010).
Molecular basis of alternating access membrane transport by the sodium-hydantoin transporter Mhp1.
  Science, 328, 470-473.
PDB code: 2x79
20038711 T.Yoshino, A.Shimojo, Y.Maeda, and T.Matsunaga (2010).
Inducible expression of transmembrane proteins on bacterial magnetic particles in Magnetospirillum magneticum AMB-1.
  Appl Environ Microbiol, 76, 1152-1157.  
20090677 X.Gao, L.Zhou, X.Jiao, F.Lu, C.Yan, X.Zeng, J.Wang, and Y.Shi (2010).
Mechanism of substrate recognition and transport by an amino acid antiporter.
  Nature, 463, 828-832.
PDB code: 3l1l
19996368 L.R.Forrest, and G.Rudnick (2009).
The rocking bundle: a mechanism for ion-coupled solute flux by symmetrical transporters.
  Physiology (Bethesda), 24, 377-386.  
19837674 Z.Tao, Y.W.Zhang, A.Agyiri, and G.Rudnick (2009).
Ligand effects on cross-linking support a conformational mechanism for serotonin transport.
  J Biol Chem, 284, 33807-33814.  
The most recent references are shown first. Citation data come partly from CiteXplore and partly from an automated harvesting procedure. Note that this is likely to be only a partial list as not all journals are covered by either method. However, we are continually building up the citation data so more and more references will be included with time. Where a reference describes a PDB structure, the PDB codes are shown on the right.

 

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