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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: Flavodoxin-like
H: Class I glutamine amidotransferase-like
T: Class I glutamine amidotransferase-like
F: Peptidase_S66

PF02016 CL0014

Representatives:

e1zl0A1[A:3-169] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH

HYPOTHETICAL PROTEIN PA5198 ; ligands: EDO,TLA ; X-RAY DIFFRACTION 1.1Å

e2aumA1[A:5-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 2.4Å

e2aumB1[B:7-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 2.4Å

e1zrsB1[B:7-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 1.5Å

e1zl0B1[B:7-169] Image Pymol Jmol Links: PDB, SCOP, CATH

HYPOTHETICAL PROTEIN PA5198 ; ligands: EDO,PEG ; X-RAY DIFFRACTION 1.1Å

e1zrsA1[A:5-169] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 1.5Å

e2aunA1[A:5-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 2.4Å

e2aunB1[B:7-142] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

hypothetical protein ; X-RAY DIFFRACTION 2.4Å

e3g23A1[A:0-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LD-carboxypeptidase A ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.89Å

e3g23B1[B:0-147] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

LD-carboxypeptidase A ; ligands: SO4 ; X-RAY DIFFRACTION 1.89Å

e4h1hA3[A:-2-155] Image Pymol Jmol Links: PDB, SCOP, CATH

LMO1638 PROTEIN ; ligands: SO4 ; X-RAY DIFFRACTION 2.46Å

e4e94A3[A:1-154] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; ligands: GOL ; X-RAY DIFFRACTION 1.65Å

e4injA3[A:-1-154] Image Pymol Jmol Links: PDB, SCOP, CATH

Lmo1638 protein ; ligands: GOL,LMS ; X-RAY DIFFRACTION 2.40Å

e4injB3[B:-1-154] Image Pymol Jmol Links: PDB, SCOP, CATH

Lmo1638 protein ; ligands: GOL,LMS,PEG ; X-RAY DIFFRACTION 2.40Å

e4h1hB3[B:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

LMO1638 PROTEIN ; ligands: SO4 ; X-RAY DIFFRACTION 2.46Å

e4e94B3[B:2-154] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 1.65Å

e4eysA5[A:1-154] Image Pymol Jmol Links: PDB, SCOP, CATH

MCCC FAMILY PROTEIN ; ligands: ACT,AMP ; X-RAY DIFFRACTION 1.58Å

e4e5sA2[A:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MCCFLIKE PROTEIN (BA_5613) ; ligands: GOL ; X-RAY DIFFRACTION 1.95Å

e4e5sC2[C:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MCCFLIKE PROTEIN (BA_5613) ; X-RAY DIFFRACTION 1.95Å

e4e5sD2[D:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MCCFLIKE PROTEIN (BA_5613) ; X-RAY DIFFRACTION 1.95Å

e3sr3B2[B:3-158] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; X-RAY DIFFRACTION 1.5Å

e4e5sB2[B:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

MCCFLIKE PROTEIN (BA_5613) ; X-RAY DIFFRACTION 1.95Å

e3gjzB1[B:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; X-RAY DIFFRACTION 2.1Å

e3gjzA1[A:-1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; X-RAY DIFFRACTION 2.1Å

e3u1bB1[B:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: AMP ; X-RAY DIFFRACTION 1.6Å

e3u1bA1[A:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: AMP ; X-RAY DIFFRACTION 1.6Å

e3t5mA1[A:-1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Microcin immunity protein MccF ; ligands: AMP ; X-RAY DIFFRACTION 1.75Å

e3t5mB1[B:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Microcin immunity protein MccF ; ligands: AMP ; X-RAY DIFFRACTION 1.75Å

e4mi1B1[B:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin immunity protein MccF ; ligands: DSZ,SO4 ; X-RAY DIFFRACTION 1.40Å

e4mi1A1[A:2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin immunity protein MccF ; ligands: DSZ ; X-RAY DIFFRACTION 1.40Å

e4iiyB2[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH

MccF ; ligands: 1EI,EDO ; X-RAY DIFFRACTION 1.2Å

e4iiyA1[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH

MccF ; ligands: 1EI,EDO ; X-RAY DIFFRACTION 1.2Å

e3tyxA1[A:-1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: AMP ; X-RAY DIFFRACTION 2.04Å

e3tyxB1[B:2-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: AMP ; X-RAY DIFFRACTION 2.04Å

e3tlzB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MCCF ; ligands: AMP,EDO ; X-RAY DIFFRACTION 1.5Å

e3tlzA1[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MCCF ; ligands: AMP ; X-RAY DIFFRACTION 1.5Å

e3tlgA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; X-RAY DIFFRACTION 1.499Å

e3tlgB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; X-RAY DIFFRACTION 1.499Å

e4iixB2[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH

MccF ; ligands: 1EG,EDO ; X-RAY DIFFRACTION 1.229Å

e4iixA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH

MccF ; ligands: 1EG,EDO ; X-RAY DIFFRACTION 1.229Å

e3tlyA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: EDO ; X-RAY DIFFRACTION 1.690Å

e3tlyB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: EDO ; X-RAY DIFFRACTION 1.690Å

e3tlcB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: 7MD ; X-RAY DIFFRACTION 1.300Å

e3tlcA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: 7MD ; X-RAY DIFFRACTION 1.300Å

e3sr3A1[A:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MICROCIN IMMUNITY PROTEIN MCCF ; X-RAY DIFFRACTION 1.5Å

e4jvoA1[A:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: A5A ; X-RAY DIFFRACTION 1.3Å

e4jvoB1[B:2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

MICROCIN IMMUNITY PROTEIN MCCF ; ligands: A5A,GOL ; X-RAY DIFFRACTION 1.3Å

e3tlaA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; X-RAY DIFFRACTION 1.200Å

e3tlaB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; X-RAY DIFFRACTION 1.200Å

e3tlbB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: DSZ ; X-RAY DIFFRACTION 1.500Å

e3tlbA1[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: DSZ ; X-RAY DIFFRACTION 1.500Å

e3tleA2[A:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: GSU ; X-RAY DIFFRACTION 1.300Å

e3tleB1[B:7-172] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MccF ; ligands: GSU ; X-RAY DIFFRACTION 1.300Å

e4mjxB1[B:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin immunity protein MccF ; ligands: GOL ; X-RAY DIFFRACTION 1.40Å

e4mjxA1[A:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin immunity protein MccF ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.40Å

e5f1yA2[A:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.04Å

e5f1yB1[B:1-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.04Å

e5f5xA1[A:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein Ba3275 ; ligands: AMP ; X-RAY DIFFRACTION 2.00Å

e5f5xB1[B:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein Ba3275 ; ligands: AMP ; X-RAY DIFFRACTION 2.00Å

e5f9mA1[A:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.4Å

e5f9mB1[B:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.4Å

e5f9mC2[C:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.4Å

e5f9mD2[D:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; X-RAY DIFFRACTION 2.4Å

e5fd8A1[A:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

LD-carboxypeptidase family protein ; ligands: A5A ; X-RAY DIFFRACTION 2.05Å

e5fd8B2[B:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

LD-carboxypeptidase family protein ; ligands: A5A ; X-RAY DIFFRACTION 2.05Å

e5jybA2[A:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; ligands: 1PE,EPE,P6G,SBT,SO4 ; X-RAY DIFFRACTION 1.647Å

e5jybB2[B:0-161] Image Pymol Jmol Links: PDB, SCOP, CATH

MccC family protein ; ligands: EDO,EPE,P6G,SBT,SO4 ; X-RAY DIFFRACTION 1.647Å

e5usdA1[A:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Peptidase S66 ; ligands: DSZ,GOL ; X-RAY DIFFRACTION 2.095Å

e5usdC2[C:0-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Peptidase S66 ; ligands: DSZ,GOL ; X-RAY DIFFRACTION 2.095Å

e5usdB1[B:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Peptidase S66 ; ligands: DSZ ; X-RAY DIFFRACTION 2.095Å

e5usdD2[D:-1-155] Image Pymol Jmol Links: PDB, SCOP, CATH

Peptidase S66 ; ligands: DSZ ; X-RAY DIFFRACTION 2.095Å

e5k99A2[A:-2-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin C7 self-immunity protein mccF ; X-RAY DIFFRACTION 1.500Å

e5k99B1[B:1-195] Image Pymol Jmol Links: PDB, SCOP, CATH

Microcin C7 self-immunity protein mccF ; X-RAY DIFFRACTION 1.500Å

e5z01A2[A:-1-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Murein tetrapeptide carboxypeptidase ; X-RAY DIFFRACTION 1.75Å

e5z03A1[A:0-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Murein tetrapeptide carboxypeptidase ; X-RAY DIFFRACTION 1.75Å

e5z03B2[B:0-134] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Murein tetrapeptide carboxypeptidase ; X-RAY DIFFRACTION 1.75Å

e6uukA2[A:74-197] Image Pymol Jmol Links: PDB, SCOP, CATH

Muramoyltetrapeptide carboxypeptidase ; X-RAY DIFFRACTION 2.348Å

e6uukB1[B:72-197] Image Pymol Jmol Links: PDB, SCOP, CATH

Muramoyltetrapeptide carboxypeptidase ; X-RAY DIFFRACTION 2.348Å

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