Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

X: Acanthaporin

X: Protein 2b

X: Aminoglycoside adenyltransferase AadA C-terminal domain

X: IcmW

X: Peptidase inhibitors family I29

X: CRISPR-associated endonuclease Cpf1 PI (PAM-interacting) domain

X: Cas5fv helical domain

X: ICP4 DNA-binding domain

X: Enhancer of polycomb-like protein 1 (Epl1) N-terminal domain

X: RDS3 complex subunit 10

X: Oxalate biosynthetic component 1 (Obc1) cap domain

X: Glycosyl transferase TarS linker domain

X: Immunomodulating metalloprotease IMPa helical domain

X: Mimivirus sulfhydryl oxidase R596 ORFan domain

X: SOCS box-like

X: Dcp2 box A domain

X: BH2638-like

X: Hypothetical protein YqbG-like

X: EF2947-like

X: Monopolin complex subunit MAM1

X: Csd1/Csd2 helical domain

X: RbcX-like

X: Melanoregulin

X: SP0561-like

X: Phage replication organizer domain

X: DdrO C-terminal domain

X: beta-catenin-interacting protein ICAT

X: Eukaryotic initiation factor 4f subunit eIF4g, eIF4e-binding domain

X: HAND domain of the nucleosome remodeling ATPase ISWI

X: KRAB domain (Kruppel-associated box, Pfam 01352)

X: N-terminal, cytoplasmic domain of anti-sigma factors

X: Replisome organizer (g39p helicase loader/inhibitor protein)

X: TAF(II)230 TBP-binding fragment

X: CRIB domain

X: Nuclear receptor coactivator CBP/p300 ibid domain

X: Nuclear receptor coactivator ACTR

X: Triger factor/SurA peptide-binding domain-like

X: BSD domain

X: Toxin A (TcdA) helical domain

X: Enzyme I of the PEP:sugar phosphotransferase system HPr-binding (sub)domain

X: Hepatitis B viral capsid (hbcag)

X: Pre-protein crosslinking domain of SecA

X: Tetrahydrodipicolinate-N-succinlytransferase, N-terminal 3-helical domain

X: VHP, Villin headpiece domain

X: Chemotaxis receptor methyltransferase CheR, N-terminal domain

X: Chemosensory protein Csp2

X: a domain of protein A6KY75

X: Kinetoplastid membrane protein 11

X: Domains of FliG

X: Type III secretion system domain-like

X: Quinohemoprotein amine dehydrogenase C chain

X: Ribosomal protein L19 (L19e) N-terminal domain

X: HMG-box

X: C-terminus of TFIIE alpha

X: PABP domain-like

X: Zinc transporter ZIP4 N-terminal domain

X: SPP1 phage GP23.1

X: KorB C-terminal domain-like

X: Middle domain in transcriptional anti-activator ExsD

X: Negative regulator RsdA N-terminal domain

X: RNA polymerase sigma factor rpoD N-terminal domain

X: Myosin-binding motif (m-domain) C-terminal subdomain

X: Mitochondrial 54S ribosomal protein L2

X: Small, acid-soluble spore protein C

X: HTH

X: C-terminal domain of Malic enzyme

X: Twin-arginine translocation pathway signal

X: S15/NS1 RNA-binding domain

X: Glycogen debranching enzyme (GDE) insertion domain

X: Dimerization domain of Sgt2

X: RPB6/omega subunit-like

X: helical bundle in Bacillus stearothermophilus-like DNA polymerase I

X: inserted helical bundle subdomain in T7 RNA polymerase

X: Eukaryotic translation initiation factor 3 subunit 1

X: Staphylococcal peroxidase inhibitor

X: Catalytic cysteine domain in ubiquitin-activating enzyme

X: HHA-like

X: Methane monooxygenase hydrolase gamma subunit-like

X: T4 Bacteriophage Helicase Uvsw.1

X: Helical bundle domain in YebC-like proteins

X: Alpha-helical domain in eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment

X: Superantigen MAM C-terminal domain

X: Emsy N terminal (ENT) domain-like

X: RPA2825-like

X: TerB-like

X: C-terminal domain of Hypothetical protein MPN330-like

X: SHQ1 C-terminal domain-like

X: C-terminal helical domain in Atu1540-like proteins

X: BART

X: Asl3597

X: Helical box domain of E3 ubiquitin-protein ligase HECW1

X: HopAB effectors Pto-binding domain-related

X: RNA polymerase-associated protein Gp33

X: Intramolecular chaperone domain in virus tail spike protein

X: Golgi phosphoprotein 3

X: Uncharacterized protein BVU_3817 C-terminal domain

X: Rap1 C-terminal domain

X: N-terminal domain in putative methyltransferase PG_1098

X: N-terminal domain in MogR repressor

X: Thymine dioxygenase JBP1 DNA-binding domain-like

X: RecQL4 helicase N-terminal domain

X: Uncharacterized protein encoded by cryptic prophage

X: Peroxisomal biogenesis factor 14 N-terminal domain

X: Pfam family PF09836 C-terminal domain

X: Pfam family PF09836 N-terminal domain

X: HSDR subunit helical domain

X: beta-herpesvirus envelope glycoprotein L (gL) N-terminal domain

X: Uncharacterized protein AF_2093 N-terminal domain

X: T4 RNA ligase

X: Dimerization domain in caprin-1 and PAN3

X: C-terminal domain of Lmo2642 protein

X: Iron-regulated surface determinant protein H linker domain

X: Helical domain in PB2

X: Uncharacterized protein aq_1974

X: 60S acidic ribosomal protein P1/P2

X: Cell-shape determining Csd6 N-terminal dimerization domain

X: Protelomerase stirrup domain

X: DNA repair protein RAD4 beta-hairpin domain

X: DUF3349

X: Virus VPg protein

X: Macrodomain Ter protein MatP

X: Nucleophosmin DNA-binding domain

X: HhH/H2TH

X: DNA polymerase III finger domain

X: Insertion domain of glycoside hydrolase family 149 (GH149)

X: Insertion region of FTHFS domain

X: Antitermination protein Q helical domain

X: Nitrogenase gamma subunit N-terminal domain

X: N-terminal helical domain in Poxvirus poly(A) polymerase catalytic subunit

X: lambda integrase-N-like

X: uncharacterized protein BT_1490 C-terminal domain

X: Protelomerase muzzle domain

X: Helical bundle domain in elongation factor 3A

X: Helical insertion domain in magnesium chelatase catalytic subunit

X: Nogo-66

X: Filamentous archaeal viruses coat proteins

X: N-terminal domain of N-acetylglucosaminyltransferase-V

X: Protein C'

X: Helical domain in 5'->3' exoribonucleases

X: DNA-binding domain in UvrA

X: MRG domain

X: PWI domain-like

X: L-aspartase middle domain-like

X: L-aspartase N-terminal domain-like

X: L-aspartase C-terminal domain-like

X: Protein arginine N-methyltransferase 3 helical domain

X: RuvA-C

X: AvrRxo1-ORF2

X: DnaD domain

X: Primosome protein DnaB middle domain

X: PG0816-like

X: Capsid assembly protein VP3

X: Hypothetical protein MTH393

X: Repressor activator protein 1 (RAP1) helical bundle domain

X: YAP1 redox domain

X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex

X: Alpha helical domain of ribonucleotide reductases

X: Fertilization protein

X: LEM/SAP HeH motif-like

X: attachment domain of fiber adhesin

X: DNA-binding domain of EIN3-like

X: DNA polymerase III theta subunit-like

X: inserted helical subdomain in bacterial RNA-polymerase beta-prime subunit

X: Porin B (PorB)

X: Bromodomain-containing protein 4 ET domain

X: PHAX RNA-binding domain

X: SP1917-like

X: MJ1004, C-terminal domain

X: MshE c-di-GMP-binding domain

X: tRNA delta(2)-isopentenylpyrophosphate transferase helical insertion domain

X: Potassium-transporting ATPase KdpC subunit

X: EF-hand

X: Jann4075-like

X: PBS linker domain of phycobilisome linker polypeptide

X: C-terminal helical domain in tRNA modifying enzyme GidA

X: Calcium binding protein 40 (CBP40) N-terminal domain

X: Neutral trehalase N-terminal domain

X: Uteroglobin-like

X: Uncharacterized protein CD1104.2

X: Annexin

X: Guanido kinase-N

X: Repressor of bacterial conjugation FinO

X: DnaB helicase N-terminal domain-related

X: Transcription factor STAT-4 N-domain

X: N-terminal domain of segregation and condensation protein A, ScpA

X: YgfY-like (DUP399, Pfam03937)

X: Orange carotenoid protein, N-terminal domain

X: AhpD-like

X: KaiA/RbsU domain-like

X: YoaC-like

X: WY-domain in RXLR effectors

X: ATR1 N-terminal domain

X: Serum amyloid A-1 protein

X: Methionine synthase domain-like

X: Protein of Unknown Function YPO2564

X: Hypothetical protein

X: Serine acetyltransferase N-terminal domain

X: Nucleoside phosphorylase/phosphoribosyltransferase-N

X: yeast protein YOR252W

X: HP0721

X: ERP29 C domain-like

X: C-terminal alpha domain in Alpha-Glycerophosphate Oxidase

X: Uncharacterized protein CV_1783

X: D-ornithine aminomutase S component-related

X: Non-structural protein 3

X: Retroviral matrix proteins

X: T4 endonuclease V

X: Insertion subdomain in DsbA-like

X: Insert all-alpha domain in prim-pol

X: Calcium-binding protein

X: Archaeal protein SSO6904

X: Saposin-like

X: Cytoplasmic metal binding domain of VIT1

X: Globin-like

H: Globin-like

T: Globin-like

F: Phycobilisome

PF00502 CL0090

Representatives:

e1xg0C1[C:3-177] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

B-PHYCOERYTHRIN BETA CHAIN ; ligands: CL,DBV,PEB ; X-RAY DIFFRACTION 0.97Å

e1jboA1[A:1-174] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

C-PHYCOCYANIN ALPHA CHAIN ; ligands: CYC ; X-RAY DIFFRACTION 1.45Å

e6kgxX31[X3:1-177] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI