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233,605 Structures from the PDB

1,068,577 Computed Structure Models (CSM)

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QUERY: Structure Keywords HAS EXACT PHRASE "UNKNOWN FUNCTION"

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Search Summary

This query matches 4,346 Structures.

Refinements

Structure Determination Methodology

experimental (4,346)

Scientific Name of Source Organism

	Homo sapiens (288)
	Escherichia coli (144)
	Bacillus subtilis (112)
	Mus musculus (89)
	Pseudomonas aeruginosa PAO1 (85)
	Thermus thermophilus HB8 (82)
	synthetic construct (78)
	Arabidopsis thaliana (77)
	Agrobacterium fabrum str. C58 (57)
	Thermotoga maritima (48)

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Taxonomy

	Bacteria (2,941)
	Eukaryota (841)
	Archaea (425)
	other sequences (79)
	Eukaryota (eukaryotes) (12)
	Duplodnaviria (11)
	unclassified sequences (10)
	Riboviria (6)
	Adnaviria (4)
	Varidnaviria (3)

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Experimental Method

	X-RAY DIFFRACTION (3,488)
	SOLUTION NMR (824)
	ELECTRON MICROSCOPY (29)
	SOLUTION SCATTERING (4)
	ELECTRON CRYSTALLOGRAPHY (2)
	NEUTRON DIFFRACTION (2)
	SOLID-STATE NMR (1)

Polymer Entity Type

	Protein (4,344)
	RNA (9)
	DNA (5)

Refinement Resolution (Å)

	0.5 - 1.0 (10)
	1.0 - 1.5 (345)
	1.5 - 2.0 (1,375)
	2.0 - 2.5 (1,173)
	2.5 - 3.0 (512)
	3.0 - 3.5 (87)
	3.5 - 4.0 (11)
	4.0 - 4.5 (4)
	> 4.5 (4)

Release Date

	2000 - 2004 (610)
	2005 - 2009 (1,868)
	2010 - 2014 (968)
	2015 - 2019 (470)
	2020 - 2024 (417)
	2025 - 2029 (13)

Enzyme Classification Name

	Hydrolases (267)
	Transferases (168)
	Oxidoreductases (86)
	Lyases (79)
	Isomerases (48)
	Ligases (22)

Membrane Protein Annotation

	OPM (24)
	PDBTM (21)
	MemProtMD (18)
	mpstruc (10)

Symmetry Type

	Asymmetric (2,445)
	Cyclic (1,807)
	Dihedral (459)
	Tetrahedral (14)
	Helical (9)
	Octahedral (4)
	Icosahedral (1)

SCOP Classification

	Alpha and beta proteins (a+b) (796)
	Artifacts (750)
	Alpha and beta proteins (a/b) (529)
	All beta proteins (349)
	All alpha proteins (313)
	Multi-domain proteins (alpha and beta) (26)
	Small proteins (26)
	Membrane and cell surface proteins and peptides (7)
	Coiled coil proteins (4)
	Peptides (7)

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AllSelected

1 to 25 of 4,346 Structures

Page 1 of 174

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1DI6 \| pdb_00001di6	Download File View File

1.45 A CRYSTAL STRUCTURE OF THE MOLYBDENUMM COFACTOR BIOSYNTHESIS PROTEIN MOGA FROM ESCHERICHIA COLI

Liu, M.T.W., Wuebbens, M.M., Rajagopalan, K.V., Schindelin, H.

(2000) J Biological Chem 275: 1814-1822

Released	2000-01-19
Method	X-RAY DIFFRACTION 1.45 Å
Organisms	Escherichia coli
Macromolecule	MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME (protein)
Unique Ligands	SO4

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1DI7 \| pdb_00001di7	Download File View File

1.60 ANGSTROM CRYSTAL STRUCTURE OF THE MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN MOGA FROM ESCHERICHIA COLI

Liu, M.T.W., Wuebbens, M.M., Rajagopalan, K.V., Schindelin, H.

(2000) J Biological Chem 275: 1814-1822

Released	2000-01-19
Method	X-RAY DIFFRACTION 1.6 Å
Organisms	Escherichia coli
Macromolecule	MOLYBDENUM COFACTOR BIOSYNTHETIC ENZYME (protein)
Unique Ligands	SO4

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1DM5 \| pdb_00001dm5	Download File View File

ANNEXIN XII E105K HOMOHEXAMER CRYSTAL STRUCTURE

Cartailler, J.P., Haigler, H.T., Luecke, H.

(2000) Biochemistry 39: 2475-2483

Released	2000-03-20
Method	X-RAY DIFFRACTION 1.93 Å
Organisms	Hydra vulgaris
Macromolecule	ANNEXIN XII E105K MUTANT HOMOHEXAMER (protein)
Unique Ligands	CA

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1EHX \| pdb_00001ehx	Download File View File

NMR SOLUTION STRUCTURE OF THE LAST UNKNOWN MODULE OF THE CELLULOSOMAL SCAFFOLDIN PROTEIN CIPC OF CLOSTRIDUM CELLULOLYTICUM

Mosbah, A., Belaich, A., Bornet, O., Belaich, J.P., Henrissat, B., Darbon, H.

(2000) J Mol Biology 304: 201-217

Released	2000-11-17
Method	SOLUTION NMR
Organisms	Ruminiclostridium cellulolyticum
Macromolecule	SCAFFOLDIN PROTEIN (protein)

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1EW4 \| pdb_00001ew4	Download File View File

CRYSTAL STRUCTURE OF ESCHERICHIA COLI CYAY PROTEIN REVEALS A NOVEL FOLD FOR THE FRATAXIN FAMILY

Suh, S.W., Cho, S., Lee, M.G., Yang, J.K., Lee, J.Y., Song, H.K.

(2000) Proc Natl Acad Sci U S A 97: 8932-8937

Released	2000-08-09
Method	X-RAY DIFFRACTION 1.4 Å
Organisms	Escherichia coli
Macromolecule	CYAY PROTEIN (protein)

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1FUX \| pdb_00001fux	Download File View File

CRYSTAL STRUCTURE OF E.COLI YBCL, A NEW MEMBER OF THE MAMMALIAN PEBP FAMILY

Serre, L., Pereira de Jesus, K., Benedetti, H., Bureaud, N., Schoentgen, F., Zelwer, C.

(2001) J Mol Biology 310: 617-634

Released	2001-07-18
Method	X-RAY DIFFRACTION 1.81 Å
Organisms	Escherichia coli
Macromolecule	HYPOTHETICAL 19.5 KDA PROTEIN IN EMRE-RUS INTERGENIC REGION (protein)

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1G04 \| pdb_00001g04	Download File View File

SOLUTION STRUCTURE OF SYNTHETIC 26-MER PEPTIDE CONTAINING 145-169 SHEEP PRION PROTEIN SEGMENT AND C-TERMINAL CYSTEINE

Kozin, S.A., Bertho, G., Mazur, A.K., Rabesona, H., Girault, J.-P., Haertle, T., Takahashi, M., Debey, P., Hui Bon Hoa, G.

(2001) J Biological Chem 276: 46364-46370

Released	2002-01-23
Method	SOLUTION NMR
Organisms	Ovis aries
Macromolecule	MAJOR PRION PROTEIN (protein)

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1HQQ \| pdb_00001hqq	Download File View File

MINIPROTEIN MP-2 (M9A) COMPLEX WITH STREPTAVIDIN

Yang, H.W., Liu, D.Q., Fan, X., White, M.A., Fox, R.O.

To be published

Released	2003-09-16
Method	X-RAY DIFFRACTION 1.7 Å
Organisms	Streptomyces avidinii
Macromolecule	MP-2 (protein) STREPTAVIDIN (protein)

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1HRU \| pdb_00001hru	Download File View File

THE STRUCTURE OF THE YRDC GENE PRODUCT FROM E.COLI

Teplova, M., Tereshko, V., Sanishvili, R., Joachimiak, A., Bushueva, T., Anderson, W.F., Egli, M., Midwest Center for Structural Genomics (MCSG)

(2000) Protein Sci 9: 2557-2566

Released	2001-01-31
Method	X-RAY DIFFRACTION 2 Å
Organisms	Escherichia coli
Macromolecule	YRDC GENE PRODUCT (protein)
Unique Ligands	PO4

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1HU5 \| pdb_00001hu5	Download File View File

SOLUTION STRUCTURE OF OVISPIRIN-1

Sawai, M.V., Waring, A.J., Kearney, W.R., McCray Jr., P.B., Forsyth, W.R., Lehrer, R.I., Tack, B.F.

(2002) Protein Eng 15: 225-232

Released	2002-04-05
Method	SOLUTION NMR
Macromolecule	OVISPIRIN-1 (protein)

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1HU6 \| pdb_00001hu6	Download File View File

SOLUTION STRUCTURE OF G10 NOVISPIRIN

Sawai, M.V., Waring, A.J., Kearney, W.R., McCray Jr., P.B., Forsyth, W.R., Lehrer, R.I., Tack, B.F.

(2002) Protein Eng 15: 225-232

Released	2002-04-05
Method	SOLUTION NMR
Macromolecule	G10 NOVISPIRIN (protein)

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1HU7 \| pdb_00001hu7	Download File View File

SOLUTION STRUCTURE OF T7 NOVISPIRIN

Sawai, M.V., Waring, A.J., Kearney, W.R., McCray Jr., P.B., Forsyth, W.R., Lehrer, R.I., Tack, B.F.

(2002) Protein Eng 15: 225-232

Released	2002-04-05
Method	SOLUTION NMR
Macromolecule	T7 NOVISPIRIN (protein)

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1HXL \| pdb_00001hxl	Download File View File

MINIPROTEIN MP-2 (V10A) COMPLEX WITH STREPTAVIDIN

Yang, H.W., Liu, D.Q., Fan, X., White, M.A., Fox, R.O.

To be published

Released	2003-06-17
Method	X-RAY DIFFRACTION 1.8 Å
Organisms	Streptomyces avidinii
Macromolecule	MP-2 (protein) STREPTAVIDIN (protein)

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1HXZ \| pdb_00001hxz	Download File View File

MINIPROTEIN MP-2 COMPLEX WITH STREPTAVIDIN

Yang, H.W., Liu, D.Q., Fan, X., White, M.A., Fox, R.O.

To be published

Released	2003-06-17
Method	X-RAY DIFFRACTION 1.8 Å
Organisms	Streptomyces avidinii
Macromolecule	MP-2 (protein) STREPTAVIDIN (protein)

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1HY2 \| pdb_00001hy2	Download File View File

MINIPROTEIN MP-1 COMPLEX WITH STREPTAVIDIN

Yang, H.W., Liu, D.Q., Fan, X., White, M.A., Fox, R.O.

To be published

Released	2003-06-17
Method	X-RAY DIFFRACTION 2 Å
Organisms	Streptomyces avidinii
Macromolecule	MP-1 (protein) STREPTAVIDIN (protein)

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1I17 \| pdb_00001i17	Download File View File

NMR STRUCTURE OF MOUSE DOPPEL 51-157

Mo, H., Moore, R.C., Cohen, F.E., Westaway, D., Prusiner, S.B., Wright, P.E., Dyson, H.J.

(2001) Proc Natl Acad Sci U S A 98: 2352-2357

Released	2001-03-07
Method	SOLUTION NMR
Organisms	Mus musculus
Macromolecule	PRION-LIKE PROTEIN (protein)

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1I9H \| pdb_00001i9h	Download File View File

CORE STREPTAVIDIN-BNA COMPLEX

Livnah, O., Huberman, T., Wilchek, M., Bayer, E.A., Eisenberg-Domovich, Y.

(2001) J Biological Chem 276: 32031-32039

Released	2001-09-12
Method	X-RAY DIFFRACTION 2.4 Å
Organisms	Streptomyces avidinii
Macromolecule	STREPTAVIDIN (protein)
Unique Ligands	BNI

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1IJ8 \| pdb_00001ij8	Download File View File

CRYSTAL STRUCTURE OF LITE AVIDIN-BNI COMPLEX

Livnah, O., Huberman, T.

(2001) J Biological Chem 276: 32031-32039

Released	2001-09-12
Method	X-RAY DIFFRACTION 2 Å
Organisms	Gallus gallus
Macromolecule	AVIDIN (protein)
Unique Ligands	BNI, NAG

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1J74 \| pdb_00001j74	Download File View File

Crystal Structure of Mms2

Moraes, T.F., Edwards, R.A., McKenna, S., Pastushok, L., Xiao, W., Glover, J.N.M., Ellison, M.J.

(2001) Nat Struct Biol 8: 669-673

Released	2001-08-08
Method	X-RAY DIFFRACTION 1.9 Å
Organisms	Homo sapiens
Macromolecule	MMS2 (protein)

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1J7D \| pdb_00001j7d	Download File View File

Crystal Structure of hMms2-hUbc13

Moraes, T.F., Edwards, R.A., McKenna, S., Pashushok, L., Xiao, W., Glover, J.N.M., Ellison, M.J.

(2001) Nat Struct Biol 8: 669-673

Released	2001-08-08
Method	X-RAY DIFFRACTION 1.85 Å
Organisms	Homo sapiens
Macromolecule	MMS2 (protein) UBIQUITIN-CONJUGATING ENZYME E2-17 KDA (protein)

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1J7H \| pdb_00001j7h	Download File View File

Solution Structure of HI0719, a Hypothetical Protein From Haemophilus Influenzae

Parsons, L., Bonander, N., Eisenstein, E., Gilson, M., Kairys, V., Orban, J., Structure 2 Function Project (S2F)

(2003) Biochemistry 42: 80-89

Released	2003-02-11
Method	SOLUTION NMR
Organisms	Haemophilus influenzae
Macromolecule	HYPOTHETICAL PROTEIN HI0719 (protein)

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1J9J \| pdb_00001j9j	Download File View File

CRYSTAL STRUCTURE ANALYSIS OF SURE PROTEIN FROM T.MARITIMA

Suh, S.W., Lee, J.Y., Kwak, J.E., Moon, J.

(2001) Nat Struct Biol 8: 789-794

Released	2001-09-12
Method	X-RAY DIFFRACTION 1.9 Å
Organisms	Thermotoga maritima
Macromolecule	STATIONARY PHASE SURVIVAL PROTEIN (protein)
Unique Ligands	MG, SO4

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1J9K \| pdb_00001j9k	Download File View File

CRYSTAL STRUCTURE OF SURE PROTEIN FROM T.MARITIMA IN COMPLEX WITH TUNGSTATE

Suh, S.W., Lee, J.Y., Kwak, J.E., Moon, J.

(2001) Nat Struct Biol 8: 789-794

Released	2001-09-12
Method	X-RAY DIFFRACTION 2.1 Å
Organisms	Thermotoga maritima
Macromolecule	STATIONARY PHASE SURVIVAL PROTEIN (protein)
Unique Ligands	CA, EPE, WO4

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1J9L \| pdb_00001j9l	Download File View File

CRYSTAL STRUCTURE OF SURE PROTEIN FROM T.MARITIMA IN COMPLEX WITH VANADATE

Suh, S.W., Lee, J.Y., Kwak, J.E., Moon, J.

(2001) Nat Struct Biol 8: 789-794

Released	2001-09-12
Method	X-RAY DIFFRACTION 1.9 Å
Organisms	Thermotoga maritima
Macromolecule	STATIONARY PHASE SURVIVAL PROTEIN (protein)
Unique Ligands	CA, EPE, VO4