5KD7: Murine MHC-I H-2Dd

Crystal Structure of Murine MHC-I H-2Dd in complex with Murine Beta2-Microglobulin and a Variant of Peptide (PV9) of HIV gp120 MN Isolate (IGPGRAFYV). Determined by X-ray diffraction at 2.35 Å resolution. Released 11 Oct 2017.

Method
X-ray diffraction
Resolution
2.35 Å
Organisms
Mus musculus, Human immunodeficiency virus type 1 group M subtype B (isolate MN)
Chains
12
Atoms
12,650
Mol. weight
179.73 kDa
Released
11 Oct 2017

Explore 5KD7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5KD7 contains 47 α-helices and 119 β-strands across 8 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: 10 helices, 19 β-strands

ElementResiduesLengthSheet
β-strand3-12101
α-helix201
β-strand21-2881
β-strand31-3771
β-strand46-4721
α-helix50-545
α-helix57-8529
β-strand94-103101
β-strand109-118101
β-strand121-12661
β-strand133-13531
α-helix138-14912
α-helix152-1587
α-helix159-1646
α-helix165-17410
α-helix176-1794
β-strand18312
α-helix184-1852
β-strand186-19383
β-strand199-208103
β-strand20912
β-strand214-21964
β-strand222-22324
β-strand229-23023
β-strand234-23523
β-strand241-24993
α-helix254-2563
β-strand257-26264
β-strand270-27234
Chain B: 1 helix, 11 β-strands
ElementResiduesLengthSheet
β-strand315
α-helix4-52
β-strand6-1166
β-strand21-30106
β-strand3115
β-strand36-4167
β-strand44-4527
β-strand50-5126
β-strand55-5626
β-strand62-7096
β-strand78-8367
β-strand91-9447
Chain C: 10 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand3-12108
α-helix201
β-strand21-2888
β-strand31-3778
β-strand46-4728
α-helix50-523
α-helix57-8529
β-strand94-103108
β-strand109-118108
β-strand121-12668
β-strand133-13538
α-helix138-14912
α-helix152-1587
α-helix159-1635
α-helix164-17411
α-helix176-1794
β-strand18319
α-helix184-1852
β-strand186-193810
β-strand198-2081110
β-strand20919
β-strand214-219611
β-strand222111
β-strand229-230210
β-strand234-235210
β-strand241-2501010
α-helix254-2563
β-strand257-262611
β-strand270-273411
Chain D: 3 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand3112
α-helix4-52
β-strand6-11613
α-helix14-152
β-strand21-301013
β-strand31112
β-strand35-41714
β-strand44-45214
α-helix461
β-strand50-56713
β-strand62-70913
β-strand78-84714
β-strand91-94414
Chain F: 10 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand3-121015
α-helix201
β-strand21-28815
β-strand31-37715
β-strand46-47215
α-helix52-543
α-helix57-8529
β-strand94-1041115
β-strand108-1181115
β-strand121-126615
β-strand133-135315
α-helix138-14912
α-helix152-1587
α-helix159-1635
α-helix164-17411
α-helix176-1794
β-strand183116
α-helix184-1852
β-strand186-193817
β-strand198-2081117
β-strand209116
β-strand214-218518
β-strand223118
β-strand229-230217
β-strand234-235217
β-strand241-2501017
α-helix254-2563
β-strand258-262518
β-strand270-272318
Chain G: 1 helix, 11 β-strands
ElementResiduesLengthSheet
β-strand3119
α-helix4-52
β-strand6-11620
β-strand21-301020
β-strand31119
β-strand36-41621
β-strand44-45221
β-strand50120
β-strand55-56220
β-strand62-70920
β-strand78-83621
β-strand91-94421
Chain I: 9 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand3-121022
α-helix201
β-strand21-28822
β-strand31-37722
β-strand45-47322
α-helix50-545
α-helix57-8529
β-strand94-1031022
β-strand109-1181022
β-strand121-126622
β-strand133-135322
α-helix138-15013
α-helix152-1587
α-helix159-1646
α-helix165-17410
α-helix176-1794
β-strand183123
α-helix184-1852
β-strand186-193824
β-strand199-2081024
β-strand209123
β-strand214-219625
β-strand222-223225
β-strand230124
β-strand234-235224
β-strand241-249924
β-strand257-262625
β-strand271-272225
Chain J: 3 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand3126
α-helix4-52
β-strand6-11627
β-strand21-301027
β-strand31126
β-strand36-41628
β-strand44-45228
α-helix461
β-strand50-51227
α-helix52-543
β-strand55-56227
β-strand62-70927
β-strand78-83628
β-strand91-94428

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
H-2 class I histocompatibility antigen, D-D alpha chainA, C, F, Iprotein275Mus musculusP01900 (AlphaFold model)
Beta-2-microglobulinB, D, G, Jprotein100Mus musculusP01887 (AlphaFold model)
Peptide (PV9) of HIV gp120 MN isolate (IGPGRAFYV)E, H, K, Pprotein9Human immunodeficiency virus type 1 group M subtype B (isolate MN)P05877
Sequence of entity 1 (A, C, F, I), FASTA
>5KD7_1 H-2 class I histocompatibility antigen, D-D alpha chain (chains A, C, F, I)
SHSLRYFVTAVSRPGFGEPRYMEVGYVDNTEFVRFDSDAENPRYEPRARWIEQEGPEYWE
RETRRAKGNEQSFRVDLRTALRYYNQSAGGSHTLQWMAGCDVESDGRLLRGYWQFAYDGC
DYIALNEDLKTWTAADMAAQITRRKWEQAGAAERDRAYLEGECVEWLRRYLKNGNATLLR
TDPPKAHVTHHRRPEGDVTLRCWALGFYPADITLTWQLNGEELTQEMELVETRPAGDGTF
QKWASVVVPLGKEQKYTCHVEHEGLPEPLTLRWGK
Sequence of entity 2 (B, D, G, J), FASTA
>5KD7_2 Beta-2-microglobulin (chains B, D, G, J)
MIQKTPQIQVYSRHPPENGKPNILNCYVTQFHPPHIEIQMLKNGKKIPKVEMSDMSFSKD
WSFYILAHTEFTPTETDTYACRVKHASMAEPKTVYWDRDM
Sequence of entity 3 (E, H, K, P), FASTA
>5KD7_3 Peptide (PV9) of HIV gp120 MN isolate (IGPGRAFYV) (chains E, H, K, P)
IGPGRAFYV

Primary citation

Effects of Cross-Presentation, Antigen Processing, and Peptide Binding in HIV Evasion of T Cell Immunity. Frey, B.F., Jiang, J., Sui, Y. et al. J Immunol (2018) 200:1853-1864. DOI 10.4049/jimmunol.1701523 · PubMed

Other PDB entries of the same protein (UniProt P01900 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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