2fk0
Crystal Structure of a H5N1 influenza virus hemagglutinin.
SAXS 散射曲线 SAXS Profile
P(r) 距离分布 P(r) Distribution
1. 结构基本信息 1. Structure Basics
| 条目编号 entry_id | 2fk0 |
| 沉积日期 deposition_date | 2006-01-03 |
| 结构标题 title | Crystal Structure of a H5N1 influenza virus hemagglutinin. |
| 关键词 keywords | GLYCOPROTEIN, MEMBRANE-FUSION PRECURSOR, VIRAL PROTEIN; VIRAL PROTEIN |
| 实验方法 method | X-RAY DIFFRACTION |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 71.03 Å |
| 回转半径 Rg (电子) rg_electron | 71.00 Å |
| 零角强度 I(0) i0 | 3935070000.00 |
| 分子量 molecular_weight | 514820.0 kDa |
| 排除体积 excluded_volume | 637990 ų |
| 包络体积 envelope_volume | 1034700 ų |
| 水化壳体积 shell_volume | 129520 ų |
| 包络直径 envelope_diameter | 274.2 Å |
| 壳层 Rg shell_rg | 63.69 Å |
| 包络 Rg envelope_rg | 70.13 Å |
| 形状 Rg shape_rg | 71.02 Å |
| 总 Rg total_rg | 70.81 Å |
| 总原子数 total_atoms | 36202 |
| 残基数 n_residues | 4392 |
| 球谐函数阶数 n_harmonics | 20 |
| q 范围 q_range | — – 0.5000 Å−1 |
| 数据点数 n_points | 101 |
| 壳层类型 shell_type | directional |
| 溶剂电子密度 solvent_density | 0.3340 e/ų |
| 壳层衬度 contrast_shell | 0.0300 e/ų |
| CRYSOL 版本 crysol_version | 4.1.3 |
3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 216.9 Å |
| Rg (实空间) rg_real | 69.69 Å |
| Rg 误差 (实空间) rg_real_error | 1.44 Å |
| I(0) (实空间) i0_real | 3.8950e+09 |
| I(0) 误差 (实空间) i0_real_error | 7.8710e+07 |
| Rg (倒空间) rg_reciprocal | 69.61 Å |
| I(0) (倒空间) i0_reciprocal | 3922000000.0000 |
| 解质量估计 total_estimate | 0.6211 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 78.9 Å |
| 偏度 Skewness skewness | 0.500 |
| 峰度 Kurtosis kurtosis | -0.164 |
| 角度范围 angular_range | — – 0.1100 Å−1 |
| 当前正则化参数 α current_alpha | 0.0628 |
| 最高正则化参数 α highest_alpha | 168200000.0000 |
| 实空间数据点数 n_real_points | 23 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.927; Stabil: 0.996; Sysdev: 0.006; Positv: 1.000; Valcen: 0.993; Smooth: 0.238 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (4)
6. 折叠分类 (SCOP + CATH) 63 domains
SCOP 2.08 (36 domains)
| 结构域编号 domain_id | d2fk0a1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0a2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0b1 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0b2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0c2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0c3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0d2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0d3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0e2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0e3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0f2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0f3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0g2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0g3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0h2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0h3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0i2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0i3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0j2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0j3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0k2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0k3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0l2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0l3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0m2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0m3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0n2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0n3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0o2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0o3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0p2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0p3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0q2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.19 — Viral protein domain |
| 超家族 Superfamily superfamily | b.19.1 — Viral protein domain |
| 家族 Family family | b.19.1.2 — Influenza hemagglutinin headpiece |
| 结构域编号 domain_id | d2fk0q3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2fk0r2 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.3 — Stalk segment of viral fusion proteins |
| 超家族 Superfamily superfamily | h.3.1 — Influenza hemagglutinin (stalk) |
| 家族 Family family | h.3.1.1 — Influenza hemagglutinin (stalk) |
| 结构域编号 domain_id | d2fk0r3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
CATH v4.4 (27 domains)
| 结构域编号 domain_id | 2fk0A01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0A02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0B00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0C01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0C02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0D00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0E01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0E02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0F00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0G01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0G02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0H00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0I01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0I02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0J00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0K01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0K02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0L00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0M01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0M02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0N00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0O01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0O02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0P00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fk0Q01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 10 — Ribbon |
| 拓扑 Topology topology | 77 — Hemagglutinin; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hemagglutinin Chain A, Domain 2 |
| 结构域编号 domain_id | 2fk0Q02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 209 — Hemagglutinin (Ha1 Chain); Chain: A; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Haemagglutinin, alpha/beta domain, HA1 chain |
| 结构域编号 domain_id | 2fk0R00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 20 — Hemagglutinin Ectodomain; Chain B |
| 同源超家族 H-superfamily homologous superfamily | 10 — |