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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

Keyword search

Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

X: OB-fold
H: Nucleic acid-binding proteins
T: Nucleic acid-binding proteins

54123, 3-crossover-4

F: S1

PF00575 CL0021

Representatives:

e1go3E1[E:79-184] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE SUBUNIT E ; X-RAY DIFFRACTION 1.750Å

e1luzA1[A:4-88] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEIN K3 ; X-RAY DIFFRACTION 1.8Å

e1kl9A1[A:3-88] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EUKARYOTIC TRANSLATION INITIATION FACTOR 2 SUBUNIT 1 ; ligands: ZN ; X-RAY DIFFRACTION 1.90Å

e1hh2P1[P:127-198] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

N UTILIZATION SUBSTANCE PROTEIN A ; X-RAY DIFFRACTION 2.1Å

e3bzkA1[A:637-730] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Tex ; X-RAY DIFFRACTION 2.30Å

e4nnhB1[B:278-445] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.30Å

e2ix0A3[A:558-644] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EXORIBONUCLEASE 2 ; X-RAY DIFFRACTION 2.440Å

e2bx2L1[L:35-118] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RIBONUCLEASE E ; X-RAY DIFFRACTION 2.85Å

e2ahoB1[B:1-84] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Translation initiation factor 2 alpha subunit ; X-RAY DIFFRACTION 3.0Å

e1sroA1[A:1-76] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PNPASE ; SOLUTION NMR

e1wi5A1[A:179-297] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

RRP5 protein homolog ; SOLUTION NMR

e1y14B1[B:81-171] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; X-RAY DIFFRACTION

e8he5G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8jh2G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8jh3G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8jh4G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e7wbwG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e7wbxG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8b3fG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH

; ELECTRON MICROSCOPY

e8oevG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8oewG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8of0G1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4bG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4cG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4dG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e8p4fG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ELECTRON MICROSCOPY

e2ja7G1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19KDA POLYPEPTIDE ; X-RAY DIFFRACTION 3.80Å

e1y14D1[D:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; X-RAY DIFFRACTION

e2c35D1[D:79-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.700Å

e2c35B1[B:79-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.700Å

e2c35F1[F:79-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.700Å

e2b8kG1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 4.15Å

e2ja5G1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.800Å

e2ja8G1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19KDA POLYPEPTIDE ; X-RAY DIFFRACTION 3.80Å

e2ja7S1[S:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19KDA POLYPEPTIDE ; X-RAY DIFFRACTION 3.80Å

e2ja6G1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19KDA POLYPEPTIDE ; X-RAY DIFFRACTION 4.00Å

e2c35H1[H:79-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 2.700Å

e1q46A1[A:3-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

translation initiation factor 2 alpha subunit ; X-RAY DIFFRACTION 2.86Å

e1q8kA1[A:3-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; SOLUTION NMR

e2id0C3[C:558-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exoribonuclease 2 ; X-RAY DIFFRACTION 2.34Å

e2id0B3[B:558-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exoribonuclease 2 ; X-RAY DIFFRACTION 2.34Å

e2ix1A3[A:558-643] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

EXORIBONUCLEASE 2 ; X-RAY DIFFRACTION 2.740Å

e2id0A3[A:558-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exoribonuclease 2 ; X-RAY DIFFRACTION 2.34Å

e2id0D3[D:558-644] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Exoribonuclease 2 ; X-RAY DIFFRACTION 2.34Å

e2khjA1[A:1-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; SOLUTION NMR

e2pmzE1[E:79-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit E ; X-RAY DIFFRACTION 3.400Å

e2a19A2[A:2-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 alpha subunit ; X-RAY DIFFRACTION 2.50Å

e2pmzT1[T:79-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase subunit E ; X-RAY DIFFRACTION 3.400Å

e3hkzE1[E:79-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase, subunit E' (RpoE1) ; X-RAY DIFFRACTION 3.4Å

e3hkzQ1[Q:79-180] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase, subunit E' (RpoE1) ; X-RAY DIFFRACTION 3.4Å

e2waqE1[E:79-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE RPO7 SUBUNIT ; X-RAY DIFFRACTION 3.35Å

e1y1yG1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; X-RAY DIFFRACTION 4Å

e2wb1E1[E:79-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE RPO7 SUBUNIT ; X-RAY DIFFRACTION 3.52Å

e2wb1T1[T:79-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE RPO7 SUBUNIT ; X-RAY DIFFRACTION 3.52Å

e1nt9G1[G:81-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KD POLYPEPTIDE ; X-RAY DIFFRACTION 4.2Å

e1pqvG1[G:81-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; X-RAY DIFFRACTION 3.80Å

e3qt1G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 4.3Å

e4a3mG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.90Å

e4a3gG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e3hovG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.5Å

e3i4mG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.7Å

e3k1fG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 4.3Å

e4a3bG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e4a3iG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.80Å

e4a93G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.40Å

e1y1vG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; X-RAY DIFFRACTION

e3j0kG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II 19 kDa polypeptide ; ELECTRON MICROSCOPY

e3houG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.2Å

e3howG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.6Å

e3hoxG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.65Å

e3hoyG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.4Å

e3po3G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.3Å

e4a3cG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e4a3dG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.40Å

e4a3eG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.40Å

e4a3fG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e4a3jG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.7Å

e4a3kG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RPB7, DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e4a3lG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.50Å

e4bbsG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.6Å

e4bxxG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.28Å

e3h0gG3[G:70-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit rpb7 ; X-RAY DIFFRACTION 3.650Å

e4bbrG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.40Å

e1wcmG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KD POLYPEPTIDE ; X-RAY DIFFRACTION 3.8Å

e1y1wG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 4.0Å

e3j1nG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e1y77G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II 19 KDA POLYPEPTIDE ; X-RAY DIFFRACTION 4.5Å

e2r7zG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.80Å

e2r92G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.800Å

e3houS3[S:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.2Å

e3hozG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.65Å

e3h0gS3[S:70-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit rpb7 ; X-RAY DIFFRACTION 3.650Å

e3i4nG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.9Å

e3po2G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ligands: EPE,PEG ; X-RAY DIFFRACTION 3.3Å

e4by7G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ligands: EPE ; X-RAY DIFFRACTION 3.15Å

e2r93G3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 4.0Å

e2vumG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.40Å

e3h3vH3[H:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 4.000Å

e4bxzG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 4.80Å

e3fkiG3[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; X-RAY DIFFRACTION 3.88Å

e2y0sE3[E:67-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE SUBUNIT 4 ; X-RAY DIFFRACTION 3.79Å

e2y0sT3[T:67-170] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE SUBUNIT 4 ; X-RAY DIFFRACTION 3.79Å

e2a1aA3[A:3-76] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 alpha subunit ; X-RAY DIFFRACTION 2.80Å

e2mflA1[A:87-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; SOLUTION NMR

e2mfiA1[A:5-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; SOLUTION NMR

e4q7jD1[D:87-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.9Å

e4q7jD2[D:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.9Å

e4q7jH1[H:87-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.9Å

e4q7jH2[H:2-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.9Å

e3j81j2[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

eIF2 alpha ; ELECTRON MICROSCOPY

e4toiA2[A:240-311] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S2,Ribosomal protein S1 ; X-RAY DIFFRACTION 2.300Å

e4nnhA1[A:278-444] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 2.30Å

e4v1nG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e4v1oG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e3japj2[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

eIF2 alpha ; ELECTRON MICROSCOPY

e3jaqj1[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH

e5c3eG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.400Å

e5c44G2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.852Å

e5c4aG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 4.2Å

e5c4xG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 4.0Å

e4r71E1[E:87-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 3.21Å

e4r71F1[F:87-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 3.21Å

e4r71E2[E:1-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 3.21Å

e4r71F2[F:1-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; X-RAY DIFFRACTION 3.21Å

e5fmfG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e5flmG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e5fywG1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e5fz5G2[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e5iy6G2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iy7G1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iy8G1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iy9G1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iyaG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iybG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iycG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5iydG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5k0yP3[P:6-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; ELECTRON MICROSCOPY

e4aybE1[E:79-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE ; X-RAY DIFFRACTION 3.20Å

e4b1pT3[T:79-178] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4b1oE3[E:79-178] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

e4v8sAT2[AT:79-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE SUBUNIT 7 ; X-RAY DIFFRACTION 4.30Å

e4v8sBE2[BE:79-178] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA POLYMERASE SUBUNIT 7 ; X-RAY DIFFRACTION 4.30Å

e5u0sg1[g:70-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit Rpb7 ; ELECTRON MICROSCOPY

e5x4zG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 7.800Å

e5x4zS2[S:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 7.800Å

e5x50G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 4.290Å

e5x51G2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 7.000Å

e5x51S1[S:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 7.000Å

e5x8r81[8:249-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1, chloroplastic ; ELECTRON MICROSCOPY

e5xogG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; X-RAY DIFFRACTION 3.000Å

e5xonG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e5oikG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e5xguA3[A:557-639] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Ribonuclease R ; X-RAY DIFFRACTION 1.85Å

e2khiA1[A:267-361] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; SOLUTION NMR

e4qiwE1[E:79-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase, subunit E' ; X-RAY DIFFRACTION 3.5Å

e4qiwQ1[Q:79-181] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase, subunit E' ; X-RAY DIFFRACTION 3.5Å

e4qjfA2[A:79-186] Image Pymol Jmol Links: PDB, SCOP, CATH

DNA-directed RNA polymerase, subunit E' ; X-RAY DIFFRACTION 2.3Å

e5ot2G1[G:81-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; X-RAY DIFFRACTION 3.2Å

e6bu8Z2[Z:87-179] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6bu8Z1[Z:4-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6fecP2[P:6-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; ELECTRON MICROSCOPY

e6exvG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 ; ELECTRON MICROSCOPY

e5xq5A1[A:1-94] Image Pymol Jmol Links: PDB, SCOP, CATH

30S ribosomal protein S1 ; SOLUTION NMR

e6h4ny3[y:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6a5lG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6gmhG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit G ; ELECTRON MICROSCOPY

e6gmlG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit G ; ELECTRON MICROSCOPY

e6h4ny2[y:267-362] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h4ny1[y:87-176,y:264-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h4ny4[y:363-435] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6a5oG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6a5pG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6a5rG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6a5tG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6a5uG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6a5vG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH

e6h58y4[y:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58yy4[yy:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58y3[y:267-362] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58yy1[yy:267-362] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58y2[y:87-176,y:264-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58yy2[yy:87-176,yy:264-266] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58y1[y:363-440] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6h58yy3[yy:363-440] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

30S ribosomal protein S1 ; ELECTRON MICROSCOPY

e6fyxj1[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6fyyj3[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6ir9G2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j4wG2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j4xG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j4yG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j4zG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j50G2[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6j51G1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6inqG1[G:69-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RNA polymerase II subunit ; ELECTRON MICROSCOPY

e6jlwK1[K:7-89] Image Pymol Jmol Links: PDB, SCOP, CATH

e6jlxK3[K:7-89] Image Pymol Jmol Links: PDB, SCOP, CATH

e6jlyL1[L:1-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; X-RAY DIFFRACTION 3.5Å

e6jlyM2[M:1-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; X-RAY DIFFRACTION 3.5Å

e6jlzL2[L:4-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; X-RAY DIFFRACTION 3.35Å

e6jlzM2[M:2-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; X-RAY DIFFRACTION 3.35Å

e6o81L1[L:3-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; ELECTRON MICROSCOPY

e6o81M2[M:3-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; ELECTRON MICROSCOPY

e6o85L3[L:3-88] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit 1 ; ELECTRON MICROSCOPY

e6i3mK2[K:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6i3mL2[L:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6i7tK2[K:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6i7tL1[L:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6o9lG2[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e6drdG1[G:78-171] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DNA-directed RNA polymerase II subunit RPB7 ; ELECTRON MICROSCOPY

e6gsnj1[j:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6qg0L2[L:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

e6qg0K2[K:3-89] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Eukaryotic translation initiation factor 2 subunit alpha ; ELECTRON MICROSCOPY

Next
F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes