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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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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

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

X: Rossmann-like
H: Rossmann-related
T: S-adenosyl-L-methionine-dependent methyltransferases
F: CoV_Methyltr_2

PF06460 CL0063

Representatives:

e2xyqA1[A:1-290] * nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE 2'-O-METHYL TRANSFERASE ; ligands: CL,MG,NA,SAH ; X-RAY DIFFRACTION 2.00Å

e8f4yA1[A:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FMT,NA,XDU,XE0 ; X-RAY DIFFRACTION 2.13Å

e8osxA1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ATP,CL,EDO,MES,SAM ; X-RAY DIFFRACTION 1.83Å

e2xyrA1[A:3-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE 2'-O-METHYL TRANSFERASE ; ligands: CL,MG,NA,SFG ; X-RAY DIFFRACTION 2.50Å

e2xyvA1[A:2-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PUTATIVE 2'-O-METHYL TRANSFERASE ; ligands: CL,MG,NA,SAH ; X-RAY DIFFRACTION 2.05Å

e3r24A1[A:3-294] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyl transferase ; ligands: SAM ; X-RAY DIFFRACTION 2.0Å

e5ynbA1[A:1-296] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: SFG ; X-RAY DIFFRACTION 1.98Å

e5yn5A1[A:1-294] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; X-RAY DIFFRACTION 1.96Å

e5yn6A1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: SAM ; X-RAY DIFFRACTION 1.95Å

e5yn8A1[A:2-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: SAH ; X-RAY DIFFRACTION 1.97Å

e5ynfA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTA ; X-RAY DIFFRACTION 1.79Å

e5yniA1[A:1-296] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTG,SAM ; X-RAY DIFFRACTION 2.07Å

e5ynjA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTG ; X-RAY DIFFRACTION 2.04Å

e5ynmA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTA,SAM ; X-RAY DIFFRACTION 1.68Å

e5ynnA1[A:1-295] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTG,SFG ; X-RAY DIFFRACTION 1.86Å

e5ynoA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTA,SAH ; X-RAY DIFFRACTION 1.96Å

e5ynpA1[A:1-294] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTA,SFG ; X-RAY DIFFRACTION 2.27Å

e5ynqA1[A:1-293] Image Pymol Jmol Links: PDB, SCOP, CATH

nsp16 protein ; ligands: GTG,SAH ; X-RAY DIFFRACTION 1.96Å

e6w4hA1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: ACT,BDF,SAM,SO3 ; X-RAY DIFFRACTION 1.80Å

e6w61A1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

2'-O-methyltransferase ; ligands: CL,EDO,SAM ; X-RAY DIFFRACTION 2.00Å

e6w75A1[A:6800-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SAM ; X-RAY DIFFRACTION 1.95Å

e6w75C1[C:6799-7095] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SAM ; X-RAY DIFFRACTION 1.95Å

e6wkqC1[C:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SFG ; X-RAY DIFFRACTION 1.98Å

e6wjtA1[A:6800-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SAH ; X-RAY DIFFRACTION 2.00Å

e6wjtC1[C:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SAH ; X-RAY DIFFRACTION 2.00Å

e6wkqA1[A:6800-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,NA,SFG ; X-RAY DIFFRACTION 1.98Å

e6wrzA1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: CL,GTA,MGP,SAH,SO4 ; X-RAY DIFFRACTION 2.25Å

e6wvnA1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: ADE,CL,GTA,MGP,SAM,SO4 ; X-RAY DIFFRACTION 2.00Å

e6yz1A1[A:1-297] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

nsp16 ; ligands: MES,SFG ; X-RAY DIFFRACTION 2.400Å

e7bq7A1[A:1-297] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase ; ligands: SAM ; X-RAY DIFFRACTION 2.37Å

e7c2iA1[A:1-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: SAM ; X-RAY DIFFRACTION 2.50Å

e7c2jA1[A:1-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: SAM ; X-RAY DIFFRACTION 2.79Å

e6xkmA1[A:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: CL,SAM ; X-RAY DIFFRACTION 2.25Å

e6wksAAA1[AAA:1-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: ADN,GTA,SAM ; X-RAY DIFFRACTION 1.8Å

e6wq3A1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: 8NK,GTA,SAH,SO4 ; X-RAY DIFFRACTION 2.10Å

e7jheA1[A:0-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: CL,MGP,SAH,V9G ; X-RAY DIFFRACTION 2.25Å

e7jibA1[A:0-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: CL,GTA,MGP,SAH,SAM,V9G ; X-RAY DIFFRACTION 2.65Å

e7jpeA1[A:0-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: 8NK,GTA,SAM ; X-RAY DIFFRACTION 2.18Å

e7jyyA1[A:6797-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: CL,FMT,MG,NA,SAM ; X-RAY DIFFRACTION 2.05Å

e7jyyC1[C:6799-7095] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: FMT,MG,NA,SAM ; X-RAY DIFFRACTION 2.05Å

e7jz0A1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

2'-O-methyltransferase ; ligands: CL,FMT,NA,SAH ; X-RAY DIFFRACTION 2.15Å

e7jz0C1[C:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

2'-O-methyltransferase ; ligands: CL,FMT,NA,SAH ; X-RAY DIFFRACTION 2.15Å

e7koaA1[A:1-297] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase ; ligands: GTA,SAM ; X-RAY DIFFRACTION 2.4Å

e7l6rA1[A:6797-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: BDF,CL,GLC,MN,SAH,SO4 ; X-RAY DIFFRACTION 1.98Å

e7l6tA1[A:6798-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: BDF,CL,FMT,GLC,MG,SAH ; X-RAY DIFFRACTION 1.78Å

e7lw3A1[A:1-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: MES,MG,SAH,YG4 ; X-RAY DIFFRACTION 2.05Å

e7nh7A1[A:1-295] Image Pymol Jmol Links: PDB, SCOP, CATH

Replicase polyprotein 1ab ; ligands: SFG ; X-RAY DIFFRACTION 2.20Å

e7lw4A1[A:1-298] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase ; ligands: ACT,EDO,MES,SAH ; X-RAY DIFFRACTION 2.23Å

e7ultA1[A:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase ; ligands: FMT,NA ; X-RAY DIFFRACTION 1.90Å

e7ultC1[C:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase ; ligands: FMT,NA ; X-RAY DIFFRACTION 1.90Å

e7r1tA1[A:0-297] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase nsp16 ; ligands: 6NR,MES,PO4 ; X-RAY DIFFRACTION 2.7Å

e7r1uA1[A:1-297] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

2'-O-methyltransferase nsp16 ; ligands: 4IK,GTA,MES ; X-RAY DIFFRACTION 2.5Å

e8bsdA1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: CL,EDO,MES,TBN ; X-RAY DIFFRACTION 1.85Å

e8bzvA1[A:6799-7098] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: ADN,CL,EDO,MES ; X-RAY DIFFRACTION 1.8Å

e8c5mA1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: EDO,MES,MTA ; X-RAY DIFFRACTION 1.9Å

e8ot0A1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: EDO,GLY,MES,MTA ; X-RAY DIFFRACTION 2.21Å

e8otoA1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: AMP,EDO,MES ; X-RAY DIFFRACTION 1.8Å

e8ov1A1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: ADP,EDO,MES,SAM ; X-RAY DIFFRACTION 1.67Å

e8ov2A1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: EDO,MES,SGV ; X-RAY DIFFRACTION 1.86Å

e8ov3A1[A:6799-7098] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: 5ID,EDO,MES ; X-RAY DIFFRACTION 1.82Å

e8ov4A1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: EDO,MES,TO1 ; X-RAY DIFFRACTION 1.93Å

e8otrA1[A:6799-7099] Image Pymol Jmol Links: PDB, SCOP, CATH

2'-O-methyltransferase nsp16 ; ligands: CL,EDO,MES,SAM,W08 ; X-RAY DIFFRACTION 1.77Å

e8a23A1[A:1-294] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: GOL,KW6 ; X-RAY DIFFRACTION 2.8Å

e8f4sA1[A:6799-7096] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

; ligands: FMT,NA,XDU ; X-RAY DIFFRACTION 2.15Å

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.

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