8D9U: ADP-ribosylation factor 1

AP-1, Arf1, Nef lattice on MHC-I lipopeptide incorporated narrow membrane tubes, centered on beta-Arf1. Determined by electron microscopy at 20.0 Å resolution. Released 9 Nov 2022.

Method: Electron microscopy
Resolution: 20.0 Å
Organisms: Homo sapiens, Human immunodeficiency virus 1, Mus musculus
Chains: 54
Atoms: 54,084
Mol. weight: 2014.87 kDa
Ligands: GTP, MG
Released: 9 Nov 2022

Explore 8D9U in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8D9U contains 732 α-helices and 444 β-strands across 48 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.

Chains 0, 1, x, y, Y and z: 1 helix, 1 β-strand

Element	Residues	Length	Sheet
β-strand	345-346	2	71
α-helix	352-354	3

Chains a, b, c, C, H, J, K, O, P, Q, X and Z: 7 helices, 8 β-strands

Element	Residues	Length	Sheet
α-helix	5-12	8
β-strand	19	1	23
β-strand	22	1	23
β-strand	23-24	2	24
α-helix	30-38	9
β-strand	51-58	8	23
β-strand	61-68	8	23
α-helix	75-79	5
β-strand	90-93	4	24
α-helix	97-111	15
β-strand	123-126	4	24
α-helix	138-143	6
α-helix	145-147	3
β-strand	155-157	3	24
α-helix	166-177	12

Chains A, B, D, E, F and I: 40 helices, 2 β-strands

Element	Residues	Length	Sheet
α-helix	15-22	8
α-helix	27-43	17
α-helix	48-50	3
α-helix	51-56	6
α-helix	63-75	13
α-helix	82-87	6
α-helix	88-94	7
α-helix	100-112	13
α-helix	116-119	4
α-helix	123-130	8
α-helix	135-151	17
α-helix	153-159	7
α-helix	161-169	9
α-helix	174-190	17
α-helix	201-211	11
α-helix	216-225	10
α-helix	234-244	11
α-helix	245-249	5
β-strand	250	1	65
α-helix	253-266	14
α-helix	275-292	18
α-helix	296-310	15
α-helix	322-324	3
α-helix	326-327	2
α-helix	332-345	14
α-helix	351-361	11
α-helix	367-383	17
α-helix	385-387	3
α-helix	388-400	13
α-helix	404-420	17
α-helix	429-433	5
α-helix	442-454	13
α-helix	462-469	8
α-helix	478-494	17
α-helix	500-511	12
α-helix	517-532	16
α-helix	534-540	7
α-helix	555-556	2
α-helix	557-565	9
β-strand	569	1	70
α-helix	570-573	4
α-helix	578-580	3

Chains G, R, T, U, V and W: 38 helices, 2 β-strands

Element	Residues	Length	Sheet
α-helix	7-16	10
α-helix	20-39	20
α-helix	46-59	14
α-helix	64-66	3
α-helix	68-74	7
α-helix	79-92	14
α-helix	95-97	3
α-helix	103-111	9
α-helix	116-128	13
α-helix	134-146	13
α-helix	151-167	17
α-helix	169-174	6
α-helix	176-179	4
α-helix	188-204	17
α-helix	207-212	6
α-helix	216-228	13
β-strand	236-237	2	32
β-strand	240-241	2	32
α-helix	243-255	13
α-helix	261-266	6
α-helix	268-276	9
α-helix	283-297	15
α-helix	303-317	15
α-helix	322-334	13
α-helix	340-343	4
α-helix	344-346	3
α-helix	347-354	8
α-helix	359-371	13
α-helix	378-390	13
α-helix	397-411	15
α-helix	415-429	15
α-helix	437-447	11
α-helix	453-465	13
α-helix	470-487	18
α-helix	504-514	11
α-helix	522-536	15
α-helix	544-551	8
α-helix	557-572	16
α-helix	578-580	3
α-helix	582-585	4

Chains i, j, k, l, m and M: 13 helices, 37 β-strands

Element	Residues	Length	Sheet
β-strand	5-8	4	75
β-strand	17-20	4	75
α-helix	27-29	3
α-helix	30-43	14
β-strand	49	1	75
β-strand	52	1	76
β-strand	55	1	76
β-strand	56-61	6	75
β-strand	66-71	6	75
β-strand	76	1	70
α-helix	77-94	18
α-helix	100-103	4
α-helix	107-117	11
β-strand	118-119	2	77
β-strand	122-123	2	77
α-helix	128-131	4
α-helix	148-150	3
α-helix	151-154	4
β-strand	170-183	14	65
β-strand	189-195	7	65
β-strand	197-203	7	65
β-strand	209-214	6	78
β-strand	216	1	79
α-helix	217-223	7
β-strand	231	1	79
β-strand	235-238	4	65
β-strand	242	1	78
α-helix	244-250	7
β-strand	253-255	3	78
β-strand	260-270	11	65
α-helix	274-275	2
β-strand	277-280	4	80
β-strand	283	1	80
β-strand	290-299	10	80
β-strand	306	1	81
β-strand	308	1	65
β-strand	310-314	5	65
β-strand	321-327	7	80
β-strand	331-335	5	65
β-strand	340-345	6	65
β-strand	349	1	81
β-strand	353-361	9	80
α-helix	366-367	2
α-helix	374-375	2
β-strand	376-378	3	65
β-strand	381-383	3	65
β-strand	385	1	59
β-strand	392-398	7	78
β-strand	406-415	10	65
β-strand	419-420	2	65

Chains n, N, o, p, q and r: 11 helices, 9 β-strands

Element	Residues	Length	Sheet
α-helix	7-22	16
β-strand	69	1	59
β-strand	77	1	60
α-helix	78-80	3
α-helix	81-94	14
α-helix	100	1
β-strand	101	1	61
α-helix	102	1
α-helix	104-118	15
β-strand	120	1	60
β-strand	127	1	62
α-helix	133	1
β-strand	134	1	61
α-helix	135	1
β-strand	136	1	62
β-strand	143-147	5	61
β-strand	181-185	5	61
α-helix	187-190	4
α-helix	194-198	5
α-helix	200-203	4

Chains s, S, t, u, v and w: 5 helices, 7 β-strands

Element	Residues	Length	Sheet
β-strand	2-8	7	82
β-strand	14-19	6	82
α-helix	25-40	16
β-strand	49-52	4	82
β-strand	55-58	4	82
β-strand	66-71	6	82
α-helix	77-95	19
α-helix	100-105	6
α-helix	107-117	11
β-strand	118-119	2	83
β-strand	122-123	2	83
α-helix	129-140	12

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
ADP-ribosylation factor 1	C, H, J, K, O, P, Q, X, Z, a, b, c	protein	181	Homo sapiens	P84077 (AlphaFold model)
Protein Nef	L, N, d, e, f, g, h, n, o, p, q, r	protein	213	Human immunodeficiency virus 1	Q90VU7
HLA class I histocompatibility antigen, A alpha chain	0, 1, Y, x, y, z	protein	44	Homo sapiens	P04439 (AlphaFold model)
AP-1 complex subunit beta-1	A, B, D, E, F, I	protein	949	Homo sapiens	Q10567 (AlphaFold model)
AP-1 complex subunit gamma-1	G, R, T, U, V, W	protein	601	Mus musculus	P22892
AP-1 complex subunit mu-1	M, i, j, k, l, m	protein	423	Mus musculus	P35585
AP-1 complex subunit sigma-3	S, s, t, u, v, w	protein	154	Homo sapiens	Q96PC3

Sequence of entity 1 (C, H, J, K, O, P, Q, X, Z, a, b, c), FASTA

>8D9U_1 ADP-ribosylation factor 1 (chains C, H, J, K, O, P, Q, X, Z, a, b, c)
XGNIFANLFKGLFGKKEMRILMVGLDAAGKTTILYKLKLGEIVTTIPTIGFNVETVEYKN
ISFTVWDVGGQDKIRPLWRHYFQNTQGLIFVVDSNDRERVNEAREELMRMLAEDELRDAV
LLVFANKQDLPNAMNAAEITDKLGLHSLRHRNWYIQATCATSGDGLYEGLDWLSNQLRNQ
K

Sequence of entity 2 (L, N, d, e, f, g, h, n, o, p, q, r), FASTA

>8D9U_2 Protein Nef (chains L, N, d, e, f, g, h, n, o, p, q, r)
XGGKWSKSSVIGWPAVRERMRRAEPAADGVGAVSRDLEKHGAITSSNTAANNAACAWLEA
QEEEEVGFPVTPQVPLRPMTYKAAVDLSHFLKEKGGLEGLIHSQRRQDILDLWIYHTQGY
FPDWQNYTPGPGVRYPLTFGWCYKLVPVEPDKVEEANKGENTSLLHPVSLHGMDDPEREV
LEWRFDSRLAFHHVARELHPEYFKNCGHHHHHH

Sequence of entity 3 (0, 1, Y, x, y, z), FASTA

>8D9U_3 HLA class I histocompatibility antigen, A alpha chain (chains 0, 1, Y, x, y, z)
GAMGSCRKSSDRKGGSYSQAAGSDSAQSSDVSLTAAKVHHHHHH

Sequence of entity 4 (A, B, D, E, F, I), FASTA

>8D9U_4 AP-1 complex subunit beta-1 (chains A, B, D, E, F, I)
MTDSKYFTTTKKGEIFELKAELNSDKKEKKKEAVKKVIASMTVGKDVSALFPDVVNCMQT
DNLELKKLVYLYLMNYAKSQPDMAIMAVNTFVKDCEDPNPLIRALAVRTMGCIRVDKITE
YLCEPLRKCLKDEDPYVRKTAAVCVAKLHDINAQLVEDQGFLDTLKDLISDSNPMVVANA
VAALSEIAESHPSSNLLDLNPQSINKLLTALNECTEWGQIFILDCLANYMPKDDREAQSI
CERVTPRLSHANSAVVLSAVKVLMKFMEMLSKDLDYYGTLLKKLAPPLVTLLSAEPELQY
VALRNINLIVQKRPEILKHEMKVFFVKYNDPIYVKLEKLDIMIRLASQANIAQVLAELRE
YATEVDVDFVRKAVRAIGRCAIKVEQSAERCVSTLLDLIQTKVNYVVQEAIVVIKDIFRK
YPNKYESVIATLCENLDSLDEPEARAAMIWIVGEYAERIDNADELLESFLEGFHDKSTQV
QLQLLTAIVKLFLKKPTETQELVQQVLSLATQDSDNPDLRDRGYIYWRLLSTDPVAAKEV
VLAEKPLISEETDLIEPTLLDELICYIGTLASVYHKPPSAFVEGGRGVVHKSLPPRTASS
ESAESPETAPTGAPPGEQPDVIPAQGDLLGDLLNLDLGPPVSGPPLATSSVQMGAVDLLG
GGLDSLMGDEPEGIGGTNFVAPPTAAVPANLGAPIGSGLSDLFDLTSGVGTLSGSYVAPK
AVWLPAMKAKGLEISGTFTRQVGSISMDLQLTNKALQVMTDFAIQFNRNSFGLAPAAPLQ
VHAPLSPNQTVEISLPLSTVGSVMKMEPLNNLQVAVKNNIDVFYFSTLYPLHILFVEDGK
MDRQMFLATWKDIPNENEAQFQIRDCPLNAEAASSKLQSSNIFTVAKRNVEGQDMLYQSL
KLTNGIWVLAELRIQPGNPSCTDLELSLKCRAPEVSQHVYQAYETILKN

Sequence of entity 5 (G, R, T, U, V, W), FASTA

>8D9U_5 AP-1 complex subunit gamma-1 (chains G, R, T, U, V, W)
MPAPIRLRELIRTIRTARTQAEEREMIQKECAAIRSSFREEDNTYRCRNVAKLLYMHMLG
YPAHFGQLECLKLIASQKFTDKRIGYLGAMLLLDERQDVHLLMTNCIKNDLNHSTQFVQG
LALCTLGCMGSSEMCRDLAGEVEKLLKTSNSYLRKKAALCAVHVIRKVPELMEMFLPATK
NLLNEKNHGVLHTSVVLLTEMCERSPDMLAHFRKLVPQLVRILKNLIMSGYSPEHDVSGI
SDPFLQVRILRLLRILGRNDDDSSEAMNDILAQVATNTETSKNVGNAILYETVLTIMDIK
SESGLRVLAINILGRFLLNNDKNIRYVALTSLLKTVQTDHNAVQRHRSTIVDCLKDLDVS
IKRRAMELSFALVNGNNIRGMMKELLYFLDSCEPEFKADCASGIFLAAEKYAPSKRWHID
TIMRVLTTAGSYVRDDAVPNLIQLITNSVEMHAYTVQRLYKAILGDYSQQPLVQVAAWCI
GEYGDLLVSGQCEEEEPIQVTEDEVLDILESVLISNMSTSVTRGYALTAIMKLSTRFTCT
VNRIKKVVSIYGSSIDVELQQRAVEYNALFKKYDHMRSALLERMPVMEKVTTNGPENLYF
Q

Sequence of entity 6 (M, i, j, k, l, m), FASTA

>8D9U_6 AP-1 complex subunit mu-1 (chains M, i, j, k, l, m)
MSASAVYVLDLKGKVLICRNYRGDVDMSEVEHFMPILMEKEEEGMLSPILAHGGVRFMWI
KHNNLYLVATSKKNACVSLVFSFLYKVVQVFSEYFKELEEESIRDNFVIIYELLDELMDF
GYPQTTDSKILQEYITQEGHKLETGAPRPPATVTNAVSWRSEGIKYRKNEVFLDVIEAVN
LLVSANGNVLRSEIVGSIKMRVFLSGMPELRLGLNDKVLFDNTGRGKSKSVELEDVKFHQ
CVRLSRFENDRTISFIPPDGEFELMSYRLNTHVKPLIWIESVIEKHSHSRIEYMVKAKSQ
FKRRSTANNVEIHIPVPNDADSPKFKTTVGSVKWVPENSEIVWSVKSFPGGKEYLMRAHF
GLPSVEAEDKEGKPPISVKFEIPYFTTSGIQVRYLKIIEKSGYQALPWVRYITQNGDYQL
RTQ

Sequence of entity 7 (S, s, t, u, v, w), FASTA

>8D9U_7 AP-1 complex subunit sigma-3 (chains S, s, t, u, v, w)
MIHFILLFSRQGKLRLQKWYITLPDKERKKITREIVQIILSRGHRTSSFVDWKELKLVYK
RYASLYFCCAIENQDNELLTLEIVHRYVELLDKYFGNVCELDIIFNFEKAYFILDEFIIG
GEIQETSKKIAVKAIEDSDMLQEVSTVSQTMGER

Ligands and cofactors

ID	Name	Formula	Copies
GTP	Guanosine-5'-triphosphate	C10 H16 N5 O14 P3	12
MG	Magnesium ion	Mg	12

Primary citation

Self-assembly and structure of a clathrin-independent AP-1:Arf1 tubular membrane coat. Hooy, R.M., Iwamoto, Y., Tudorica, D.A. et al. Sci Adv (2022) 8:eadd3914-eadd3914. DOI 10.1126/sciadv.add3914 · PubMed

Other PDB entries of the same protein (UniProt P84077 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8SDW 1.75 Å, Crystal structure of the non-myristoylated mutant [L8K]Arf1 in complex with a GDP analogue
1HUR 2.0 Å, Human ADP-ribosylation factor 1 complexed with GDP, full length non-myristoylated
7R4H 2.34 Å, phospho-STING binding to adaptor protein complex-1
6FAE 2.35 Å, The Sec7 domain of IQSEC2 (Brag1) in complex with the small GTPase Arf1
1RE0 2.4 Å, Structure of ARF1-GDP bound to Sec7 domain complexed with Brefeldin A
9QLO 2.47 Å, NMT1-NAC bound human RNC with full length ARF1 - State 1
9QLQ 2.57 Å, NMT1-NAC bound human RNC with full length ARF1 - alternative State
7DN8 2.61 Å, Crystal structure of Salmonella effector SopF in complex with ARF1
9QLP 2.75 Å, NMT1-NAC bound human RNC with full length ARF1 - State 2
3O47 2.8 Å, Crystal structure of ARFGAP1-ARF1 fusion protein
7DN9 3.29 Å, Crystal structure of Salmonella effector in complex with NAD and host co-factor ARF1
6CM9 3.73 Å, Structure of the cargo bound AP-1:Arf1:tetherin-Nef closed trimer monomeric subunit

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