3HI1: HIV-1 gp120

Structure of HIV-1 gp120 (core with V3) in Complex with CD4-Binding-Site Antibody F105. Determined by X-ray diffraction at 2.9 Å resolution. Released 17 Nov 2009.

Method
X-ray diffraction
Resolution
2.9 Å
Organisms
Human immunodeficiency virus type 1, Homo sapiens
Chains
6
Atoms
11,670
Mol. weight
172.58 kDa
Ligands
NAG
Released
17 Nov 2009

Explore 3HI1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3HI1 contains 53 α-helices and 135 β-strands across 6 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: 9 helices, 20 β-strands

ElementResiduesLengthSheet
β-strand4-6325
β-strand10-14526
β-strand19-281125
α-helix30-323
β-strand33-38626
β-strand45-49526
β-strand53-54226
α-helix551
β-strand62-751425
α-helix80-823
β-strand84-92926
β-strand95-98426
β-strand102-107626
β-strand111127
α-helix112-1132
β-strand114-118528
α-helix119-1213
α-helix122-1254
β-strand129-1391128
β-strand140127
β-strand144-150729
β-strand153-154229
α-helix1551
β-strand159-163528
α-helix164-1674
β-strand173-1821028
α-helix183-1864
β-strand191-198829
β-strand205-210629
Chain B: 9 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand3-5330
β-strand11-12231
β-strand18-25830
β-strand33-39732
β-strand45-52832
β-strand57-59332
α-helix64-663
β-strand67-72630
α-helix73-753
β-strand77-82630
α-helix84-863
β-strand88-94732
β-strand101-103332
β-strand107-109332
β-strand110-111231
α-helix115-1162
β-strand117133
β-strand120-124534
α-helix125-1273
β-strand135-1451134
β-strand146133
β-strand151-154435
α-helix155-1573
β-strand159135
β-strand163-165334
α-helix166-1683
β-strand169-170234
β-strand176-1851034
α-helix186-1905
β-strand194-200735
α-helix201-2033
β-strand205-211735
Chain G: 9 helices, 25 β-strands
ElementResiduesLengthSheet
β-strand91-9441
α-helix99-11416
α-helix119-1224
β-strand205-20842
β-strand215-21843
α-helix219-2202
β-strand223-22864
β-strand236-23941
β-strand242-24544
β-strand24713
α-helix248-2503
β-strand25113
β-strand25615
β-strand259-26136
α-helix264-2663
β-strand271-27446
β-strand284-297146
β-strand330-33456
α-helix335-35319
β-strand358-36147
β-strand36618
α-helix369-3724
β-strand374-37745
β-strand382-38545
α-helix388-3903
β-strand39317
β-strand413-41756
β-strand418-42145
β-strand44416
β-strand447-45486
β-strand455-45627
β-strand465-46957
α-helix476-4838
β-strand486-49054
Chain H: 9 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand3-5314
β-strand11-12215
β-strand18-25814
β-strand2718
β-strand33-39716
β-strand45-52816
β-strand57-59316
α-helix64-663
β-strand67-72614
α-helix73-753
β-strand77-82614
α-helix84-863
β-strand88-94716
β-strand101-103316
β-strand107-109316
β-strand110-111215
α-helix115-1162
β-strand117117
β-strand120-124518
α-helix125-1273
β-strand135-1451118
β-strand146117
β-strand151-154419
α-helix155-1573
β-strand159119
β-strand163-165318
α-helix166-1683
β-strand169-170218
β-strand176-1851018
α-helix186-1905
β-strand194-200719
α-helix201-2033
β-strand205-211719
Chain J: 9 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand91-94420
α-helix99-11416
α-helix118-1225
β-strand205-20843
β-strand215-21842
α-helix219-2202
β-strand223-228621
β-strand236-239420
β-strand242-245421
β-strand24712
α-helix248-2503
β-strand25112
β-strand256122
β-strand259-261323
α-helix264-2663
β-strand271-274423
β-strand284-2961323
β-strand330-333423
α-helix335-35319
β-strand358-361424
α-helix369-3724
β-strand374-377422
β-strand381-385522
α-helix388-3903
β-strand393124
β-strand414-417423
β-strand418-422522
β-strand447-454823
β-strand455-456224
β-strand465-469524
α-helix476-4838
β-strand486-490521
Chain L: 8 helices, 20 β-strands
ElementResiduesLengthSheet
β-strand4-639
β-strand10-14510
β-strand19-28119
α-helix30-323
β-strand33-38610
β-strand45-49510
β-strand53-54210
α-helix551
β-strand62-75149
β-strand84-92910
β-strand95-98410
β-strand102-107610
β-strand111111
α-helix112-1132
β-strand114-118512
α-helix119-1213
α-helix122-1254
β-strand129-1391112
β-strand140111
β-strand144-150713
β-strand153-154213
α-helix1551
β-strand159-163512
α-helix164-1674
β-strand173-1821012
α-helix183-1864
β-strand191-198813
β-strand205-210613

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Glycoprotein 120G, Jprotein321Human immunodeficiency virus type 1P35961
F105 Light ChainA, Lprotein215Homo sapiensQ6PIL8 (AlphaFold model)
F105 Heavy ChainB, Hprotein225Homo sapiens
Sequence of entity 1 (G, J), FASTA
>3HI1_1 Glycoprotein 120 (chains G, J)
TENFNMWKNNMVEQMHEDIISLWDQSLKPCVKLTGGSVITQACPKVSFEPIPIHYCAPAG
FAILKCNDKKFNGTGPCTNVSTVQCTHGIRPVVSTQLLLNGSLAEEEIVIRSENFTNNAK
TIIVQLNESVVINCTRPNNNTRKSINIGPGRALYTTGEIIGDIRQAHCNLSKTQWENTLE
QIAIKLKEQFGNNKTIIFNPSSGGDPEIVTHSFNCGGEFFYCNSTQLFTWNDTRKLNNTG
RNITLPCRIKQIINMWQEVGKAMYAPPIRGQIRCSSNITGLLLTRDGGKDTNGTEIFRPG
GGDMRDNWRSELYKYKVVKIE
Sequence of entity 2 (A, L), FASTA
>3HI1_2 F105 Light Chain (chains A, L)
EIVLTQSPGTLSLSAGERATLSCRASQSVSSRYLAWYQQKPGQAPRLLIYGASSRATGIP
DRFSGSGSGTDFTLTISRVEPEDFAVYYCQQYDNSVCTFGQGTKLEIKRTVAAPSVFIFP
PSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTL
TLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
Sequence of entity 3 (B, H), FASTA
>3HI1_3 F105 Heavy Chain (chains B, H)
QVQLQESGPGLVKPSETLSLTCTVSGGSISSHYWSWIRQSPGKGLQWIGYIYYSGSTNYS
PSLKSRVTISVETAKNQFSLKLTSMTAADTAVYYCARGPVPAVFYGDYRLDPWGQGTLVT
VSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVL
QSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKS

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O627

Primary citation

Structural basis of immune evasion at the site of CD4 attachment on HIV-1 gp120. Chen, L., Do Kwon, Y., Zhou, T. et al. Science (2009) 326:1123-1127. DOI 10.1126/science.1175868 · PubMed

Other PDB entries of the same protein (UniProt P35961), best resolution first:

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