1UVQ: HLA-DQ0602

Crystal structure of HLA-DQ0602 in complex with a hypocretin peptide. Determined by X-ray diffraction at 1.8 Å resolution. Released 5 Feb 2004.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
HOMO SAPIENS
Chains
3
Atoms
3,532
Mol. weight
49.79 kDa
Ligands
ZN, NAG, GLY
Released
5 Feb 2004

Explore 1UVQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1UVQ contains 16 α-helices and 30 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 4 helices, 14 β-strands

ElementResiduesLengthSheet
β-strand7-17111
β-strand22-2981
β-strand32-3871
β-strand43-4531
α-helix49-546
β-strand5612
α-helix59-7921
α-helix84-863
α-helix88-903
β-strand91-9663
β-strand106-115103
β-strand121-12664
β-strand129-13134
β-strand135-13733
β-strand141-14223
β-strand148-15693
β-strand164-16964
β-strand177-18044
Chain B: 9 helices, 15 β-strands
ElementResiduesLengthSheet
β-strand8-18111
β-strand23-32101
β-strand35-4171
β-strand47-4931
α-helix52-543
α-helix55-628
α-helix65-7410
α-helix75-806
α-helix81-822
α-helix83-875
α-helix88-903
β-strand9515
β-strand98-10366
β-strand114-12296
β-strand12315
β-strand128-13367
β-strand136-13837
β-strand142-14436
α-helix145-1473
β-strand148-14926
β-strand155-16286
α-helix163-1642
β-strand171-17667
β-strand184-18857
Chain C: 3 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand212
α-helix3-42
α-helix6-94
α-helix11-122

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
HLA class II histocompatibility antigenAprotein197HOMO SAPIENSE9PMV2 (AlphaFold model)
HLA class II histocompatibility antigenBprotein198HOMO SAPIENSP01920 (AlphaFold model)
OrexinCprotein33HOMO SAPIENSO43612 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1UVQ_1 HLA CLASS II HISTOCOMPATIBILITY ANTIGEN (chains A)
EDIVADHVASCGVNLYQFYGPSGQYTHEFDGDEQFYVDLERKETAWRWPEFSKFGGFDPQ
GALRNMAVAKHNLNIMIKRYNSTAATNEVPEVTVFSKSPVTLGQPNTLICLVDNIFPPVV
NITWLSNGQSVTEGVSETSFLSKSDHSFFKISYLTFLPSADEIYDCKVEHWGLDQPLLKH
WEPEIPAPMSELTETVD
Sequence of entity 2 (B), FASTA
>1UVQ_2 HLA CLASS II HISTOCOMPATIBILITY ANTIGEN (chains B)
SPEDFVFQFKGMCYFTNGTERVRLVTRYIYNREEYARFDSDVGVYRAVTPQGRPDAEYWN
SQKEVLEGTRAELDTVCRHNYEVAFRGILQRRVEPTVTISPSRTEALNHHNLLVCSVTDF
YPGQIKVRWFRNDQEETAGVVSTPLIRNGDWTFQILVMLEMTPQRGDVYTCHVEHPSLQS
PITVEWRAQSESAQSKVD
Sequence of entity 3 (C), FASTA
>1UVQ_3 OREXIN (chains C)
EGRDSMNLPSTKVSWAAVGGGGSLVPRGSGGGG

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62
GLYGlycineC2 H5 N O21

Water and common crystallization additives (ACY) are not listed.

Primary citation

Crystal Structure of Hla-Dq0602 that Protects Against Type 1 Diabetes and Confers Strong Susceptibility to Narcolepsy. Siebold, C., Hansen, B.E., Wyer, J.R. et al. Proc Natl Acad Sci U S A (2004) 101:1999. DOI 10.1073/PNAS.0308458100 · PubMed

Browse structure collections

About this viewer

MolViewer shows 1UVQ directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.