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(-) Description

Title :  CRYSTAL STRUCTURE OF HUMAN ADP-RIBOSYLATION FACTOR-LIKE 6
 
Authors :  J. Wang, Y. Shen, W. Tempel, R. Landry, J. Lew, C. H. Arrowsmith, A. M. Edwards, M. Sundstrom, J. Weigelt, A. Bochkarev, H. Park, Structural Genomics Consortium (Sgc)
Date :  25 May 06  (Deposition) - 25 Jul 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  C  (1x)
Keywords :  Gtp, Gtpase, Membrane Trafficking, Structural Genomics Consortium, Sgc, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Wang, Y. Shen, W. Tempel, R. Landry, J. Lew, C. H. Arrowsmith, A. M. Edwards, M. Sundstrom, J. Weigelt, A. Bochkarev, H. Park
Crystal Structure Of Human Adp-Ribosylation Factor-Like 6 (Casp Target)
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ADP-RIBOSYLATION FACTOR-LIKE PROTEIN 6
    ChainsA, B, C
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidP28A-LIC
    Expression System StrainBL21-CODONPLUS (DE-3)-RIL
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneARL6
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymBARDET-BIEDL SYNDROME 3 PROTEIN

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABC
Biological Unit 1 (1x)A  
Biological Unit 2 (1x) B 
Biological Unit 3 (1x)  C

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 15)

Asymmetric Unit (3, 15)
No.NameCountTypeFull Name
1GTP3Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
2MG3Ligand/IonMAGNESIUM ION
3UNX9Ligand/IonUNKNOWN ATOM OR ION
Biological Unit 1 (2, 5)
No.NameCountTypeFull Name
1GTP1Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3UNX4Ligand/IonUNKNOWN ATOM OR ION
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
1GTP1Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3UNX3Ligand/IonUNKNOWN ATOM OR ION
Biological Unit 3 (2, 3)
No.NameCountTypeFull Name
1GTP1Ligand/IonGUANOSINE-5'-TRIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3UNX2Ligand/IonUNKNOWN ATOM OR ION

(-) Sites  (13, 13)

Asymmetric Unit (13, 13)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETHR A:31 , THR A:50 , GTP A:201 , HOH A:401 , HOH A:402BINDING SITE FOR RESIDUE MG A 202
02AC2SOFTWARETHR B:31 , THR B:50 , GTP B:201 , HOH B:406 , HOH B:407BINDING SITE FOR RESIDUE MG B 202
03AC3SOFTWARETHR C:31 , THR C:50 , GTP C:201 , HOH C:410 , HOH C:411BINDING SITE FOR RESIDUE MG C 202
04AC4SOFTWARELEU A:25 , ASP A:26 , ASN A:27 , SER A:28 , GLY A:29 , LYS A:30 , THR A:31 , THR A:32 , ILE A:47 , THR A:50 , SER A:71 , GLY A:72 , ASN A:130 , LYS A:131 , ASP A:133 , LEU A:134 , ASP A:163 , ALA A:164 , ILE A:165 , MG A:202 , HOH A:308 , HOH A:325 , HOH A:340 , HOH A:401 , HOH A:402 , HOH A:403 , ARG C:75BINDING SITE FOR RESIDUE GTP A 201
05AC5SOFTWAREASP B:26 , ASN B:27 , SER B:28 , GLY B:29 , LYS B:30 , THR B:31 , THR B:32 , ILE B:47 , THR B:50 , SER B:71 , GLY B:72 , ASN B:130 , LYS B:131 , ASP B:133 , LEU B:134 , ASP B:163 , ALA B:164 , ILE B:165 , MG B:202 , HOH B:322 , HOH B:406 , HOH B:407 , HOH B:408 , HOH B:427 , HOH B:430BINDING SITE FOR RESIDUE GTP B 201
06AC6SOFTWAREASP C:26 , ASN C:27 , SER C:28 , GLY C:29 , LYS C:30 , THR C:31 , THR C:32 , ILE C:47 , THR C:50 , GLY C:72 , ASN C:130 , LYS C:131 , ASP C:133 , LEU C:134 , ASP C:163 , ALA C:164 , ILE C:165 , MG C:202 , HOH C:312 , HOH C:314 , HOH C:319 , HOH C:358 , HOH C:410 , HOH C:411 , HOH C:412BINDING SITE FOR RESIDUE GTP C 201
07AC7SOFTWAREARG A:101 , ARG C:101BINDING SITE FOR RESIDUE UNX C 501
08AC8SOFTWAREGLY B:74 , ARG B:75BINDING SITE FOR RESIDUE UNX B 502
09AC9SOFTWAREGLN A:45BINDING SITE FOR RESIDUE UNX A 503
10BC1SOFTWARELYS A:142 , ARG B:99BINDING SITE FOR RESIDUE UNX A 504
11BC2SOFTWAREGLU A:168 , HOH A:341 , SER B:140 , VAL B:141BINDING SITE FOR RESIDUE UNX B 506
12BC3SOFTWAREARG A:77 , ASN A:78 , TRP A:80 , GLU A:81BINDING SITE FOR RESIDUE UNX A 508
13BC4SOFTWARELEU C:134 , ARG C:135BINDING SITE FOR RESIDUE UNX C 509

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2H57)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2H57)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (6, 18)

Asymmetric Unit (6, 18)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_027643T31MARL6_HUMANDisease (BBS3)104893680A/B/CT31M
2UniProtVAR_027644T31RARL6_HUMANDisease (BBS3)104893680A/B/CT31R
3UniProtVAR_064184A89VARL6_HUMANDisease (RP55)587777805A/B/CA89V
4UniProtVAR_071405I94TARL6_HUMANDisease (BBS3)771054395A/B/CI94T
5UniProtVAR_027645G169AARL6_HUMANDisease (BBS3)104893679A/B/CG169A
6UniProtVAR_027646L170WARL6_HUMANDisease (BBS3)104893681A/B/CL170W

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (6, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_027643T31MARL6_HUMANDisease (BBS3)104893680AT31M
2UniProtVAR_027644T31RARL6_HUMANDisease (BBS3)104893680AT31R
3UniProtVAR_064184A89VARL6_HUMANDisease (RP55)587777805AA89V
4UniProtVAR_071405I94TARL6_HUMANDisease (BBS3)771054395AI94T
5UniProtVAR_027645G169AARL6_HUMANDisease (BBS3)104893679AG169A
6UniProtVAR_027646L170WARL6_HUMANDisease (BBS3)104893681AL170W

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (6, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_027643T31MARL6_HUMANDisease (BBS3)104893680BT31M
2UniProtVAR_027644T31RARL6_HUMANDisease (BBS3)104893680BT31R
3UniProtVAR_064184A89VARL6_HUMANDisease (RP55)587777805BA89V
4UniProtVAR_071405I94TARL6_HUMANDisease (BBS3)771054395BI94T
5UniProtVAR_027645G169AARL6_HUMANDisease (BBS3)104893679BG169A
6UniProtVAR_027646L170WARL6_HUMANDisease (BBS3)104893681BL170W

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 3 (6, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_027643T31MARL6_HUMANDisease (BBS3)104893680CT31M
2UniProtVAR_027644T31RARL6_HUMANDisease (BBS3)104893680CT31R
3UniProtVAR_064184A89VARL6_HUMANDisease (RP55)587777805CA89V
4UniProtVAR_071405I94TARL6_HUMANDisease (BBS3)771054395CI94T
5UniProtVAR_027645G169AARL6_HUMANDisease (BBS3)104893679CG169A
6UniProtVAR_027646L170WARL6_HUMANDisease (BBS3)104893681CL170W

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2H57)

(-) Exons   (7, 21)

Asymmetric Unit (7, 21)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1dENST000003942061dENSE00001332488chr3:97483595-97483821227ARL6_HUMAN-00--
1.3ENST000003942063ENSE00001517743chr3:97485476-9748553459ARL6_HUMAN-00--
1.4ENST000003942064ENSE00002146031chr3:97486925-97487074150ARL6_HUMAN1-41413A:17-41
B:16-41
C:17-41
25
26
25
1.5ENST000003942065ENSE00000774463chr3:97499003-9749906462ARL6_HUMAN42-62213A:42-62
B:42-62
C:42-62
21
21
21
1.6ENST000003942066ENSE00000817853chr3:97499459-9749952769ARL6_HUMAN62-85243A:62-85
B:62-85
C:62-85
24
24
24
1.7aENST000003942067aENSE00000817854chr3:97503799-9750389395ARL6_HUMAN85-117333A:85-117
B:85-117
C:85-117
33
33
33
1.8bENST000003942068bENSE00000774461chr3:97506834-97506963130ARL6_HUMAN117-160443A:117-160
B:117-160
C:117-160
44
44
44
1.10ENST0000039420610ENSE00000817855chr3:97510615-9751067056ARL6_HUMAN160-179203A:160-179
B:160-179
C:160-179
20
20
20
1.12bENST0000039420612bENSE00001001055chr3:97516868-97517369502ARL6_HUMAN179-18683A:179-181
B:179-182
C:179-182
3
4
4

(-) 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:165
 aligned with ARL6_HUMAN | Q9H0F7 from UniProtKB/Swiss-Prot  Length:186

    Alignment length:165
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176     
           ARL6_HUMAN    17 EVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQI 181
               SCOP domains d2h57a_ A: automated matches                                                                                                                                          SCOP domains
               CATH domains 2h57A00 A:17-181 P-loop containing nucleotide triphosphate hydrolases                                                                                                 CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee....hhhhhhhhhhhhhhh.........eeeeeee....eeeeeee.....hhhhhhhhhhhh.eeeeeee..hhhhhhhhhhhhhhhhhh.........eeeeee........hhhhhhhhhhhhhh....eeeee.......hhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) --------------M---------------------------------------------------------V----T--------------------------------------------------------------------------AW----------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) --------------R------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (2)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.4  PDB: A:17-41   Exon 1.5  PDB: A:42-6----------------------Exon 1.7a  PDB: A:85-117         ------------------------------------------Exon 1.10           -- Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------Exon 1.6  PDB: A:62-85  -------------------------------Exon 1.8b  PDB: A:117-160 UniProt: 117-160  ------------------1.1 Transcript 1 (2)
                 2h57 A  17 EVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQI 181
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176     

Chain B from PDB  Type:PROTEIN  Length:167
 aligned with ARL6_HUMAN | Q9H0F7 from UniProtKB/Swiss-Prot  Length:186

    Alignment length:167
                                    25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       
           ARL6_HUMAN    16 KEVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQIQ 182
               SCOP domains d2h57b_ B: automated matches                                                                                                                                            SCOP domains
               CATH domains 2h57B00 B:16-182 P-loop containing nucleotide triphosphate hydrolases                                                                                                   CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee.....hhhhhhhhh...............eeeeeee....eeeeeee..hhhhhhhhhhhh....eeeeeee.....hhhhhhhhhhhhhhh.........eeeeee........hhhhhhhhhhhhhh....eeeee.......hhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) ---------------M---------------------------------------------------------V----T--------------------------------------------------------------------------AW------------ SAPs(SNPs) (1)
             SAPs(SNPs) (2) ---------------R------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.4  PDB: B:16-41    Exon 1.5  PDB: B:42-6----------------------Exon 1.7a  PDB: B:85-117         ------------------------------------------Exon 1.10           --- Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------------Exon 1.6  PDB: B:62-85  -------------------------------Exon 1.8b  PDB: B:117-160 UniProt: 117-160  ------------------1.12 Transcript 1 (2)
                 2h57 B  16 KEVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQIQ 182
                                    25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       

Chain C from PDB  Type:PROTEIN  Length:166
 aligned with ARL6_HUMAN | Q9H0F7 from UniProtKB/Swiss-Prot  Length:186

    Alignment length:166
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176      
           ARL6_HUMAN    17 EVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQIQ 182
               SCOP domains d2h57c_ C: automated matches                                                                                                                                           SCOP domains
               CATH domains 2h57C00 C:17-182 P-loop containing nucleotide triphosphate hydrolases                                                                                                  CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeee....hhhhhhhhhhhhhhh.........eeeeeee....eeeeeee..hhhhhhhhhhhh....eeeeeee....hhhhhhhhhhhhhhhhhhhhh....eeeeee........hhhhhhhhhhhhhh....eeeee.......hhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) --------------M---------------------------------------------------------V----T--------------------------------------------------------------------------AW------------ SAPs(SNPs) (1)
             SAPs(SNPs) (2) --------------R------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.4  PDB: C:17-41   Exon 1.5  PDB: C:42-6----------------------Exon 1.7a  PDB: C:85-117         ------------------------------------------Exon 1.10           --- Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------Exon 1.6  PDB: C:62-85  -------------------------------Exon 1.8b  PDB: C:117-160 UniProt: 117-160  ------------------1.12 Transcript 1 (2)
                 2h57 C  17 EVHVLCLGLDNSGKTTIINKLKPSNAQSQNILPTIGFSIEKFKSSSLSFTVFDMSGQGRYRNLWEHYYKEGQAIIFVIDSSDRLRMVVAKEELDTLLNHPDIKHRRIPILFFANKMDLRDAVTSVKVSQLLCLENIKDKPWHICASDAIKGEGLQEGVDWLQDQIQ 182
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176      

   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, 3)

Asymmetric Unit

(-) CATH Domains  (1, 3)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2H57)

(-) Gene Ontology  (37, 37)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (ARL6_HUMAN | Q9H0F7)
molecular function
    GO:0005525    GTP binding    Interacting selectively and non-covalently with GTP, guanosine triphosphate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005543    phospholipid binding    Interacting selectively and non-covalently with phospholipids, a class of lipids containing phosphoric acid as a mono- or diester.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0016055    Wnt signaling pathway    The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
    GO:0007420    brain development    The process whose specific outcome is the progression of the brain over time, from its formation to the mature structure. Brain development begins with patterning events in the neural tube and ends with the mature structure that is the center of thought and emotion. The brain is responsible for the coordination and control of bodily activities and the interpretation of information from the senses (sight, hearing, smell, etc.).
    GO:0030030    cell projection organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0007368    determination of left/right symmetry    The establishment of an organism's body plan or part of an organism with respect to the left and right halves. The pattern can either be symmetric, such that the halves are mirror images, or asymmetric where the pattern deviates from this symmetry.
    GO:0045444    fat cell differentiation    The process in which a relatively unspecialized cell acquires specialized features of an adipocyte, an animal connective tissue cell specialized for the synthesis and storage of fat.
    GO:0032402    melanosome transport    The directed movement of melanosomes into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0046909    obsolete intermembrane transport    OBSOLETE. The directed movement of substances between any membrane of a cell, including the plasma membrane and its regions.
    GO:0061512    protein localization to cilium    A process in which a protein is transported to, or maintained in, a location within a cilium.
    GO:0097499    protein localization to non-motile cilium    A process in which a protein is transported to, or maintained in, a location within a non-motile cilium.
    GO:0051258    protein polymerization    The process of creating protein polymers, compounds composed of a large number of component monomers; polymeric proteins may be made up of different or identical monomers. Polymerization occurs by the addition of extra monomers to an existing poly- or oligomeric protein.
    GO:0006612    protein targeting to membrane    The process of directing proteins towards a membrane, usually using signals contained within the protein.
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0008589    regulation of smoothened signaling pathway    Any process that modulates the frequency, rate or extent of smoothened signaling.
    GO:0050896    response to stimulus    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism.
    GO:0010842    retina layer formation    The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia.
    GO:0007264    small GTPase mediated signal transduction    Any series of molecular signals in which a small monomeric GTPase relays one or more of the signals.
    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.
    GO:0007601    visual perception    The series of events required for an organism to receive a visual stimulus, convert it to a molecular signal, and recognize and characterize the signal. Visual stimuli are detected in the form of photons and are processed to form an image.
cellular component
    GO:0034464    BBSome    A ciliary protein complex involved in cilium biogenesis. It consists of at least seven Bardet-Biedl syndrome (BBS) proteins and BBIP10. It moves in association with IFT trains through cilia (likely as an IFT-A/B adaptor or cargo), and is required for the integrity of IFT-A and IFT-B.
    GO:0005879    axonemal microtubule    A microtubule in the axoneme of a eukaryotic cilium or flagellum; an axoneme contains nine modified doublet microtubules, which may or may not surround a pair of single microtubules.
    GO:0005930    axoneme    The bundle of microtubules and associated proteins that forms the core of cilia (also called flagella) in eukaryotic cells and is responsible for their movements.
    GO:0042995    cell projection    A prolongation or process extending from a cell, e.g. a flagellum or axon.
    GO:0060170    ciliary membrane    The portion of the plasma membrane surrounding a cilium.
    GO:0005929    cilium    A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030117    membrane coat    Any of several different proteinaceous coats that can associate with membranes. Membrane coats include those formed by clathrin plus an adaptor complex, the COPI and COPII complexes, and possibly others. They are found associated with membranes on many vesicles as well as other membrane features such as pits and perhaps tubules.
    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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